Description Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We're a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We're a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will find support in your team and from across the business, we are in this together! The way to thrive and shine within Starling is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, discovering, to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best possible results for our customers. Our purpose is underpinned by five Starling values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness. Hybrid Working We have a Hybrid approach to working here at Starling - our preference is that you're located within a commutable distance of one of our offices so that we're able to interact and collaborate in person. Our Engineering Environment Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear from the team in our latest blogs or our case studies with Women in Tech . We value people being engaged and caring about customers, caring about the code they write and the contribution they make to Starling. People with a broad ability to apply themselves to a multitude of problems and challenges, who can work across teams do great things here at Starling, to continue changing banking for good. Requirements We're seeking a highly motivated and experienced engineer to play a key role in our Customer Service Engineering Group. You should have a strong understanding of delivering robust and scalable code, applying best practices, and a proven track record of delivering high-quality software. Experience with AWS and Postgres is highly desirable. We're open-minded when it comes to hiring and we care more about aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, and though we are looking for someone with at least 5 years of commercial experience with Java , you need not be an expert! We believe in clean coding, simple solutions, automated testing and continuous deployment. If you care enough to find elegant solutions to difficult technical problems, we'd love to hear from you. The main part of our Tech Stack is listed below, we don't ask that you have experience in all of this, but if you do, that's great! Java, which makes up the majority of our backend codebase Postgres AWS & GCP - we're cloud-native Distributed service based architecture Kubernetes (EKS) TeamCity for CI / CD (lots of teams are releasing code 15-20 times per day!) Terraform and Grafana The team The Customer Service Engineering group is all about making things better for our customers. We use the latest tech to build solid solutions that let customers help themselves, easily find out what the bank offers, and give our Operations teams the best tools to help customers quickly and effectively. Join us and help us create easy-to-use tools and ensure every support interaction is quick, helpful, and effective for millions of customers. Our process: Interviewing is a two way process and we want you to have the time and opportunity to get to know us, as much as we are getting to know you! Our interviews are conversational and we want to get the best from you, so come with questions and be curious. In general you can expect the below, following a chat with one of our Talent Team: Initial phone call - 45 minutes Take home technical test to be discussed in the technical interview - 3 hours Technical interview - 1.5 hours Final Interview - 40 minutes Benefits 25 days holiday (plus take your public holiday allowance whenever works best for you) An extra day's holiday for your birthday Annual leave is increased with length of service, and you can choose to buy or sell up to five extra days off 16 hours paid volunteering time a year Salary sacrifice, company enhanced pension scheme Life insurance at 4x your salary & group income protection Private Medical Insurance with VitalityHealth including mental health support and cancer care. Partner benefits include discounts with Waitrose, Mr&Mrs Smith and Peloton Generous family-friendly policies Perkbox membership giving access to retail discounts, a wellness platform for physical and mental health, and weekly free and boosted perks Access to initiatives like Cycle to Work, Salary Sacrificed Gym partnerships and Electric Vehicle (EV) leasing About us You may be put off applying for a role because you don't tick every box. Forget that! While we can't accommodate every flexible working request, we're always open to discussion. So, if you're excited about working with us, but aren't sure if you're 100% there yet, get in touch anyway. We're on a mission to radically reshape banking - and that starts with our brilliant team. Whatever came before, we're proud to bring together people of all backgrounds and experiences who love working together to solve problems. Starling is an equal opportunity employer, and we're proud of our ongoing efforts to foster diversity & inclusion in the workplace. Individuals seeking employment at Starling are considered without regard to race, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, physical or mental disability, military or veteran status, or any other characteristic protected by applicable law. When you provide us with this information, you are doing so at your own consent, with full knowledge that we will process this personal data in accordance with our Privacy Notice. By submitting your application, you agree that Starling may collect your personal data for recruiting and related purposes. Our Privacy Notice explains what personal information we may process, where we may process your personal information, its purposes for processing your personal information, and the rights you can exercise over our use of your personal information.
May 05, 2026
Full time
Description Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We're a fully licensed UK bank with the culture and spirit of a fast-moving, disruptive tech company. We're a bank, but better: fairer, easier to use and designed to demystify money for everyone. We employ more than 3,000 people across our London, Southampton, Cardiff and Manchester offices. Our technologists are at the very heart of Starling and enjoy working in a fast-paced environment that is all about building things, creating new stuff, and disruptive technology that keeps us on the cutting edge of fintech. We operate a flat structure to empower you to make decisions regardless of what your primary responsibilities may be, innovation and collaboration will be at the core of everything you do. Help is never far away in our open culture, you will find support in your team and from across the business, we are in this together! The way to thrive and shine within Starling is to be a self-driven individual and be able to take full ownership of everything around you: From building things, designing, discovering, to sharing knowledge with your colleagues and making sure all processes are efficient and productive to deliver the best possible results for our customers. Our purpose is underpinned by five Starling values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness. Hybrid Working We have a Hybrid approach to working here at Starling - our preference is that you're located within a commutable distance of one of our offices so that we're able to interact and collaborate in person. Our Engineering Environment Starling engineers are excited about helping us deliver new features, regardless of what their primary tech stack may be. Hear from the team in our latest blogs or our case studies with Women in Tech . We value people being engaged and caring about customers, caring about the code they write and the contribution they make to Starling. People with a broad ability to apply themselves to a multitude of problems and challenges, who can work across teams do great things here at Starling, to continue changing banking for good. Requirements We're seeking a highly motivated and experienced engineer to play a key role in our Customer Service Engineering Group. You should have a strong understanding of delivering robust and scalable code, applying best practices, and a proven track record of delivering high-quality software. Experience with AWS and Postgres is highly desirable. We're open-minded when it comes to hiring and we care more about aptitude and attitude than specific experience or qualifications. We are very open about how we deliver software. For the most part we code in Java, and though we are looking for someone with at least 5 years of commercial experience with Java , you need not be an expert! We believe in clean coding, simple solutions, automated testing and continuous deployment. If you care enough to find elegant solutions to difficult technical problems, we'd love to hear from you. The main part of our Tech Stack is listed below, we don't ask that you have experience in all of this, but if you do, that's great! Java, which makes up the majority of our backend codebase Postgres AWS & GCP - we're cloud-native Distributed service based architecture Kubernetes (EKS) TeamCity for CI / CD (lots of teams are releasing code 15-20 times per day!) Terraform and Grafana The team The Customer Service Engineering group is all about making things better for our customers. We use the latest tech to build solid solutions that let customers help themselves, easily find out what the bank offers, and give our Operations teams the best tools to help customers quickly and effectively. Join us and help us create easy-to-use tools and ensure every support interaction is quick, helpful, and effective for millions of customers. Our process: Interviewing is a two way process and we want you to have the time and opportunity to get to know us, as much as we are getting to know you! Our interviews are conversational and we want to get the best from you, so come with questions and be curious. In general you can expect the below, following a chat with one of our Talent Team: Initial phone call - 45 minutes Take home technical test to be discussed in the technical interview - 3 hours Technical interview - 1.5 hours Final Interview - 40 minutes Benefits 25 days holiday (plus take your public holiday allowance whenever works best for you) An extra day's holiday for your birthday Annual leave is increased with length of service, and you can choose to buy or sell up to five extra days off 16 hours paid volunteering time a year Salary sacrifice, company enhanced pension scheme Life insurance at 4x your salary & group income protection Private Medical Insurance with VitalityHealth including mental health support and cancer care. Partner benefits include discounts with Waitrose, Mr&Mrs Smith and Peloton Generous family-friendly policies Perkbox membership giving access to retail discounts, a wellness platform for physical and mental health, and weekly free and boosted perks Access to initiatives like Cycle to Work, Salary Sacrificed Gym partnerships and Electric Vehicle (EV) leasing About us You may be put off applying for a role because you don't tick every box. Forget that! While we can't accommodate every flexible working request, we're always open to discussion. So, if you're excited about working with us, but aren't sure if you're 100% there yet, get in touch anyway. We're on a mission to radically reshape banking - and that starts with our brilliant team. Whatever came before, we're proud to bring together people of all backgrounds and experiences who love working together to solve problems. Starling is an equal opportunity employer, and we're proud of our ongoing efforts to foster diversity & inclusion in the workplace. Individuals seeking employment at Starling are considered without regard to race, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, physical or mental disability, military or veteran status, or any other characteristic protected by applicable law. When you provide us with this information, you are doing so at your own consent, with full knowledge that we will process this personal data in accordance with our Privacy Notice. By submitting your application, you agree that Starling may collect your personal data for recruiting and related purposes. Our Privacy Notice explains what personal information we may process, where we may process your personal information, its purposes for processing your personal information, and the rights you can exercise over our use of your personal information.
Senior Software Engineer / Developer (Python API AWS SaaS) London / WFH to £100k Are you a senior technologist with strong Python, API and AWS cloud experience? You could be progressing your career in an impactful, hands-on engineering position for a successful and growing technology company, helping to build a large-scale video platform on the Amazon Web Services Cloud. The core product allows business users to capture data via integrated mobile services utilising video analytics and speech recognition to analyse and categorise information within the workflows of large field workforces (field engineers, field service, auditing, reporting, health-and-safety, sales, etc.); customers are typically large multinationals: utilities, telecoms, manufacturing and facilities management companies. As a Senior Software Engineer you'll design and develop new features and enhancements to the core platform and APIs working with Python within an AWS environment. You'll work across the full software development lifecycle, communicating with customers and investors alike to design robust, scalable, performance and secure implementations for new features. Location / WFH: You can work from home / remotely from anywhere in the UK or go into the London office as often as desired. About you: You have advanced backend Python development experience You have experience of designing and developing distributed, scalable systems with message queues (SQS) and PostgreSQL databases You are experienced with web API architecture e.g. REST APIs You have experience of working on SaaS products with Amazon Web Services (AWS), CloudFormation, Terraform You are familiar with big data and analytics, machine learning, computer vision and AI algorithms You're a collaborative problem solver You are degree educated in Computer Science Experience with video and audio processing or video streaming would be great but not essential What's in it for you: Salary to £100k Remote or hybrid working plus flexible, family friendly working hours Stock ownership plan Private Healthcare Pension Apply now to find out more about this Senior Software Engineer / Developer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
May 05, 2026
Full time
Senior Software Engineer / Developer (Python API AWS SaaS) London / WFH to £100k Are you a senior technologist with strong Python, API and AWS cloud experience? You could be progressing your career in an impactful, hands-on engineering position for a successful and growing technology company, helping to build a large-scale video platform on the Amazon Web Services Cloud. The core product allows business users to capture data via integrated mobile services utilising video analytics and speech recognition to analyse and categorise information within the workflows of large field workforces (field engineers, field service, auditing, reporting, health-and-safety, sales, etc.); customers are typically large multinationals: utilities, telecoms, manufacturing and facilities management companies. As a Senior Software Engineer you'll design and develop new features and enhancements to the core platform and APIs working with Python within an AWS environment. You'll work across the full software development lifecycle, communicating with customers and investors alike to design robust, scalable, performance and secure implementations for new features. Location / WFH: You can work from home / remotely from anywhere in the UK or go into the London office as often as desired. About you: You have advanced backend Python development experience You have experience of designing and developing distributed, scalable systems with message queues (SQS) and PostgreSQL databases You are experienced with web API architecture e.g. REST APIs You have experience of working on SaaS products with Amazon Web Services (AWS), CloudFormation, Terraform You are familiar with big data and analytics, machine learning, computer vision and AI algorithms You're a collaborative problem solver You are degree educated in Computer Science Experience with video and audio processing or video streaming would be great but not essential What's in it for you: Salary to £100k Remote or hybrid working plus flexible, family friendly working hours Stock ownership plan Private Healthcare Pension Apply now to find out more about this Senior Software Engineer / Developer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Lead Software Engineer / Developer (C# .Net Desktop Application) Reigate / WFH to £100k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning opportunities a global Fintech. As a Lead Software Engineer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship desktop insurance platform that handles 4 billion requests per month. You'll play a key role in architecting, designing and developing new features and enhancements whilst ensuring high levels of security, reliability, maintainability, usability and performance. You'll collaborate with the Product Owner and with other development teams to input into design and technical choices and provide technical ownership an Agile environment that encourages close collaboration and continual improvement. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings with the other three days work from home. About you: You have expertise with C# .Net Core backend software development, having worked on large, scalable systems with complexity You have strong technical leadership experience (taking ownership of features, not managing people) You are collaborative and pragmatic yet able to push back and influence senior engineers You're an advocate of creating, clean, reusable and maintainable code and have a good knowledge of modern Microsoft software engineering best practices You have a good knowledge of event driven architecture You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patters, Algorithms You have a good understanding of CI/CD and Infrastructure as Code (IaC) You have an appreciation of Azure, SaaS, PaaS, microservices You're likely to be degree educated in a relevant STEM discipline e.g. Computer Science with a good grasp of mathematics What's in it for you: As a Lead Software Engineer you will receive a competitive salary plus a range of perks and benefits: Up to £100k salary plus bonus (c20%) Hybrid working (3 days a week work from home) Enhanced parental leave 25 days holiday (plus buy days and your birthday off) Pension (up to 10% contribution) Health Care and Life Assurance Training and career development Social events and a range of other perks Apply now to find out more about this Lead Software Engineer / Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
May 05, 2026
Full time
Lead Software Engineer / Developer (C# .Net Desktop Application) Reigate / WFH to £100k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning opportunities a global Fintech. As a Lead Software Engineer you'll manage three Agile teams comprising around ten experienced software engineers, responsible for the flagship desktop insurance platform that handles 4 billion requests per month. You'll play a key role in architecting, designing and developing new features and enhancements whilst ensuring high levels of security, reliability, maintainability, usability and performance. You'll collaborate with the Product Owner and with other development teams to input into design and technical choices and provide technical ownership an Agile environment that encourages close collaboration and continual improvement. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings with the other three days work from home. About you: You have expertise with C# .Net Core backend software development, having worked on large, scalable systems with complexity You have strong technical leadership experience (taking ownership of features, not managing people) You are collaborative and pragmatic yet able to push back and influence senior engineers You're an advocate of creating, clean, reusable and maintainable code and have a good knowledge of modern Microsoft software engineering best practices You have a good knowledge of event driven architecture You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patters, Algorithms You have a good understanding of CI/CD and Infrastructure as Code (IaC) You have an appreciation of Azure, SaaS, PaaS, microservices You're likely to be degree educated in a relevant STEM discipline e.g. Computer Science with a good grasp of mathematics What's in it for you: As a Lead Software Engineer you will receive a competitive salary plus a range of perks and benefits: Up to £100k salary plus bonus (c20%) Hybrid working (3 days a week work from home) Enhanced parental leave 25 days holiday (plus buy days and your birthday off) Pension (up to 10% contribution) Health Care and Life Assurance Training and career development Social events and a range of other perks Apply now to find out more about this Lead Software Engineer / Developer (C# .Net) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract inside IR35 - umbrella Key Responsibilities Develop and maintain high-performance backend services for complex data processing workloads. Design scalable architectures for large-volume calculations and data pipelines. Work closely with cross-functional teams to define and deliver new features. Ensure optimal performance, quality, and reliability across backend services. Diagnose and resolve performance bottlenecks and defects. Follow best-practice engineering standards, design patterns, and architectural principles. Apply Test-Driven Development (TDD) in day-to-day development. Use static code analysis tools such as SonarQube to maintain clean, high-quality code. Work efficiently with SQL, data joins, and large/complex datasets. Leverage AI tooling to enhance productivity in coding and system design. Required Skills & Experience 8+ years ' experience in Java backend development (Java 17+). Degree in Computer Science, Software Engineering, or related field. Strong expertise in Java + Spring Boot / Spring Data / Spring Cloud . Excellent SQL knowledge and experience optimising queries and data models. Strong understanding of in-memory data loading and efficient join strategies. Deep familiarity with Java tooling (Maven/Gradle, testing frameworks, dependency management). Proven experience building data processing or data-intensive applications. Solid understanding of modern architectural patterns (Microservices, Event-Driven Architecture). Strong TDD skills and experience using static code analysis (e.g., SonarQube). Clear communication skills with the ability to explain technical concepts to varied audiences. Nice to Have Cloud experience: AWS / Azure / GCP . Containerisation: Docker, Kubernetes . Distributed processing: Apache Spark / Flink . Please apply within for further details - Matthew Holmes, Harvey Nash Always use these settings
May 05, 2026
Contractor
Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract inside IR35 - umbrella Key Responsibilities Develop and maintain high-performance backend services for complex data processing workloads. Design scalable architectures for large-volume calculations and data pipelines. Work closely with cross-functional teams to define and deliver new features. Ensure optimal performance, quality, and reliability across backend services. Diagnose and resolve performance bottlenecks and defects. Follow best-practice engineering standards, design patterns, and architectural principles. Apply Test-Driven Development (TDD) in day-to-day development. Use static code analysis tools such as SonarQube to maintain clean, high-quality code. Work efficiently with SQL, data joins, and large/complex datasets. Leverage AI tooling to enhance productivity in coding and system design. Required Skills & Experience 8+ years ' experience in Java backend development (Java 17+). Degree in Computer Science, Software Engineering, or related field. Strong expertise in Java + Spring Boot / Spring Data / Spring Cloud . Excellent SQL knowledge and experience optimising queries and data models. Strong understanding of in-memory data loading and efficient join strategies. Deep familiarity with Java tooling (Maven/Gradle, testing frameworks, dependency management). Proven experience building data processing or data-intensive applications. Solid understanding of modern architectural patterns (Microservices, Event-Driven Architecture). Strong TDD skills and experience using static code analysis (e.g., SonarQube). Clear communication skills with the ability to explain technical concepts to varied audiences. Nice to Have Cloud experience: AWS / Azure / GCP . Containerisation: Docker, Kubernetes . Distributed processing: Apache Spark / Flink . Please apply within for further details - Matthew Holmes, Harvey Nash Always use these settings
Understanding Recruitment
St. Albans, Hertfordshire
Fastest Growing Start-up in the UK Defense We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group building cutting-edge decision-making technology. The company's founding team has a real pedigree, with backgrounds from the UK Special Forces, Palantir and Helsing. They've been building for just over two years, and already have a lot of customers in the UK. On-site London Up to 150,000 + Equity Senior/Principal Software Engineers: They're looking to add Senior/Principal Engineers to their team. The team are open to hiring pure backend engineers, or full-stack engineers. Their technical stack is Rust , Typescript and React on the frontend. They do not require any experience in any of these technologies , the team hire on pure technical acumen rather than years of experience with one language. Bonus point if you have built: High throughput systems Event sourced architectures Unified event models No sponsorship is available at this time.
May 03, 2026
Full time
Fastest Growing Start-up in the UK Defense We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group building cutting-edge decision-making technology. The company's founding team has a real pedigree, with backgrounds from the UK Special Forces, Palantir and Helsing. They've been building for just over two years, and already have a lot of customers in the UK. On-site London Up to 150,000 + Equity Senior/Principal Software Engineers: They're looking to add Senior/Principal Engineers to their team. The team are open to hiring pure backend engineers, or full-stack engineers. Their technical stack is Rust , Typescript and React on the frontend. They do not require any experience in any of these technologies , the team hire on pure technical acumen rather than years of experience with one language. Bonus point if you have built: High throughput systems Event sourced architectures Unified event models No sponsorship is available at this time.
Senior Java Fullstack Developer - VP level - Investment Technology / Finance An industry leading global financial and technology organisation are looking for Senior Java Software Engineers with 7+ years' experience, who have some experience in React or similar, plus modern JavaScript/TypeScript, who like to innovate and be part of a team creating next-generation investment finance technology. Based in London, you will be a key part of the team responsible for engineering a cloud-first Private Markets platform using a microservice architecture, supporting hundreds of client businesses, managing and analysing their portfolios. The team's focus is to design and implement authorisation and permissions management using RBAC and policy based approaches. The team owns permissions management capabilities (roles, entitlements, lifecycle changes) and drives integration with the central authentication platform to enable consistent access control across applications and environments. The team is very quickly moving to AI-enabled development, and you will be at the heart of that transformation. Responsibilities Work closely alongside the Engineering Lead to deliver the technical strategy for your team. Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. Design, develop, and implement secure, scalable, and reliable micro-services to deliver client-facing applications using a Java backend and React frontend. Optimize performance and reliability through continuous testing, debugging, and refinement. Stay abreast of industry trends and emerging technologies to drive innovation and maintain a competitive edge, with a particular focus on AI. Provide technical leadership and mentorship to more junior developers, fostering a culture of learning and growth within the team. Ideal profile 7+ years of professional experience in Java development, with a focus on building client facing APIs or platforms Strong written and verbal communication skills, with experience managing and mentoring diverse teams. Knowledge of building applications using AI tooling and frameworks (e.g. LLMs, prompt engineering, vector databases). Experience integrating AI/ML services into backend systems and APIs. Familiarity with AI driven development practices and tools for code generation and testing. Strong proficiency in Java and related frameworks (e.g. Spring Boot, Hibernate). Some experience in React or similar and modern JavaScript/TypeScript. Solid experience with object oriented design and applying standard design patterns Experience designing, building, and deploying scalable microservices using API first principles with REST and/or gRPC. Experience with API authentication and authorization mechanisms (e.g. OAuth, JWT). Hands on experience with engineering tools such as Git, Maven, unit and integration testing frameworks, and mocking libraries. Exposure to Docker, Kubernetes, and cloud services in an enterprise environment is beneficial. Experience with message brokers such as Kafka a plus. A friendly, positive, and can do attitude. A Bachelor's degree in Computer Science, Engineering, or a related field.
May 03, 2026
Full time
Senior Java Fullstack Developer - VP level - Investment Technology / Finance An industry leading global financial and technology organisation are looking for Senior Java Software Engineers with 7+ years' experience, who have some experience in React or similar, plus modern JavaScript/TypeScript, who like to innovate and be part of a team creating next-generation investment finance technology. Based in London, you will be a key part of the team responsible for engineering a cloud-first Private Markets platform using a microservice architecture, supporting hundreds of client businesses, managing and analysing their portfolios. The team's focus is to design and implement authorisation and permissions management using RBAC and policy based approaches. The team owns permissions management capabilities (roles, entitlements, lifecycle changes) and drives integration with the central authentication platform to enable consistent access control across applications and environments. The team is very quickly moving to AI-enabled development, and you will be at the heart of that transformation. Responsibilities Work closely alongside the Engineering Lead to deliver the technical strategy for your team. Deliver high efficiency, high availability, concurrent and fault tolerant software systems using API-First principles. Design, develop, and implement secure, scalable, and reliable micro-services to deliver client-facing applications using a Java backend and React frontend. Optimize performance and reliability through continuous testing, debugging, and refinement. Stay abreast of industry trends and emerging technologies to drive innovation and maintain a competitive edge, with a particular focus on AI. Provide technical leadership and mentorship to more junior developers, fostering a culture of learning and growth within the team. Ideal profile 7+ years of professional experience in Java development, with a focus on building client facing APIs or platforms Strong written and verbal communication skills, with experience managing and mentoring diverse teams. Knowledge of building applications using AI tooling and frameworks (e.g. LLMs, prompt engineering, vector databases). Experience integrating AI/ML services into backend systems and APIs. Familiarity with AI driven development practices and tools for code generation and testing. Strong proficiency in Java and related frameworks (e.g. Spring Boot, Hibernate). Some experience in React or similar and modern JavaScript/TypeScript. Solid experience with object oriented design and applying standard design patterns Experience designing, building, and deploying scalable microservices using API first principles with REST and/or gRPC. Experience with API authentication and authorization mechanisms (e.g. OAuth, JWT). Hands on experience with engineering tools such as Git, Maven, unit and integration testing frameworks, and mocking libraries. Exposure to Docker, Kubernetes, and cloud services in an enterprise environment is beneficial. Experience with message brokers such as Kafka a plus. A friendly, positive, and can do attitude. A Bachelor's degree in Computer Science, Engineering, or a related field.
Agentic Software Engineer Our client is a UK-based organisation operating in the medtech industry, with a team of around 200 people. They design and manufacture bespoke solutions that improve patients' quality of life. They are investing significantly in technology and automation to support their next phase of growth. A key initiative is the development of a new digital platform that connects prescription workflows, manufacturing processes, and patient outcomes into a single integrated system. The role This is a hands-on lead role suited to someone who works agentically- using AI systems to plan, scaffold, and deliver complex development tasks, while applying strong engineering judgement to review and refine outputs. As the first dedicated developer on this platform, you will work closely with senior leadership from initial concept through to production delivery, playing a central role in shaping both the system and the future team. Our client is looking for someone entrepreneurial and highly proactive, who is comfortable engaging directly with clinicians and operational teams to understand real-world problems before building solutions. Key responsibilities: Direct AI coding agents across complex, multi-step development tasks, structuring context and taking full ownership of outputs Translate requirements, user journeys, and wireframes into working software Develop across the full stack: front-end interfaces, APIs, data models, and integrations Contribute to architectural decisions (data models, authentication, hosting, security) using senior-level judgement Maintain strong version control and deployment practices (Git, branching, code review, CI/CD) Work closely with clinical, operational, and manufacturing teams to inform product development Support the growth and shaping of the technical team over time Planned technology stack: Front-end: React + TypeScript, Tailwind CSS, shadcn/ui Mobile: Capacitor (shared codebase across web and mobile) Offline capability: Progressive Web App (PWA) Backend: Node.js with a single API and multiple front-end clients Database: PostgreSQL Hosting: AWS or Azure with infrastructure-as-code CI/CD: GitHub Actions with per-PR environments Deployment: Docker-based containerisation Authentication: Auth0 or Clerk (TBC) What our client is looking for: Strong full-stack development experience (React, TypeScript, Node.js) Experience designing REST APIs and working with relational databases (e.g. PostgreSQL) Practical cloud experience (AWS or Azure), including deployment and CI/CD pipelines Proven ability to work in an agentic way with AI development tools - structuring problems and critically evaluating outputs Strong understanding of authentication, authorisation, data modelling, security, and edge cases Excellent communication skills, with the ability to engage both technical and non-technical stakeholders A self-driven, entrepreneurial mindset, comfortable working autonomously within a small, high-impact team What's on offer: Scope to shape a growing platform and team 25 days annual leave plus bank holidays Company pension scheme Flexible hybrid working Budget for AI tooling and productivity tools Interested? Please Click Apply Now We are particularly interested in hearing about: Projects delivered using AI-assisted development workflows Tools you use regularly How your development approach has evolved alongside AI advancements Agentic Software Engineer
May 03, 2026
Full time
Agentic Software Engineer Our client is a UK-based organisation operating in the medtech industry, with a team of around 200 people. They design and manufacture bespoke solutions that improve patients' quality of life. They are investing significantly in technology and automation to support their next phase of growth. A key initiative is the development of a new digital platform that connects prescription workflows, manufacturing processes, and patient outcomes into a single integrated system. The role This is a hands-on lead role suited to someone who works agentically- using AI systems to plan, scaffold, and deliver complex development tasks, while applying strong engineering judgement to review and refine outputs. As the first dedicated developer on this platform, you will work closely with senior leadership from initial concept through to production delivery, playing a central role in shaping both the system and the future team. Our client is looking for someone entrepreneurial and highly proactive, who is comfortable engaging directly with clinicians and operational teams to understand real-world problems before building solutions. Key responsibilities: Direct AI coding agents across complex, multi-step development tasks, structuring context and taking full ownership of outputs Translate requirements, user journeys, and wireframes into working software Develop across the full stack: front-end interfaces, APIs, data models, and integrations Contribute to architectural decisions (data models, authentication, hosting, security) using senior-level judgement Maintain strong version control and deployment practices (Git, branching, code review, CI/CD) Work closely with clinical, operational, and manufacturing teams to inform product development Support the growth and shaping of the technical team over time Planned technology stack: Front-end: React + TypeScript, Tailwind CSS, shadcn/ui Mobile: Capacitor (shared codebase across web and mobile) Offline capability: Progressive Web App (PWA) Backend: Node.js with a single API and multiple front-end clients Database: PostgreSQL Hosting: AWS or Azure with infrastructure-as-code CI/CD: GitHub Actions with per-PR environments Deployment: Docker-based containerisation Authentication: Auth0 or Clerk (TBC) What our client is looking for: Strong full-stack development experience (React, TypeScript, Node.js) Experience designing REST APIs and working with relational databases (e.g. PostgreSQL) Practical cloud experience (AWS or Azure), including deployment and CI/CD pipelines Proven ability to work in an agentic way with AI development tools - structuring problems and critically evaluating outputs Strong understanding of authentication, authorisation, data modelling, security, and edge cases Excellent communication skills, with the ability to engage both technical and non-technical stakeholders A self-driven, entrepreneurial mindset, comfortable working autonomously within a small, high-impact team What's on offer: Scope to shape a growing platform and team 25 days annual leave plus bank holidays Company pension scheme Flexible hybrid working Budget for AI tooling and productivity tools Interested? Please Click Apply Now We are particularly interested in hearing about: Projects delivered using AI-assisted development workflows Tools you use regularly How your development approach has evolved alongside AI advancements Agentic Software Engineer
Adria Solutions
Newcastle Upon Tyne, Tyne And Wear
Agentic Software Engineer Our client is a UK-based organisation operating in the medtech industry, with a team of around 200 people. They design and manufacture bespoke solutions that improve patients' quality of life. They are investing significantly in technology and automation to support their next phase of growth. A key initiative is the development of a new digital platform that connects prescription workflows, manufacturing processes, and patient outcomes into a single integrated system. The role This is a hands-on lead role suited to someone who works agentically- using AI systems to plan, scaffold, and deliver complex development tasks, while applying strong engineering judgement to review and refine outputs. As the first dedicated developer on this platform, you will work closely with senior leadership from initial concept through to production delivery, playing a central role in shaping both the system and the future team. Our client is looking for someone entrepreneurial and highly proactive, who is comfortable engaging directly with clinicians and operational teams to understand real-world problems before building solutions. Key responsibilities: Direct AI coding agents across complex, multi-step development tasks, structuring context and taking full ownership of outputs Translate requirements, user journeys, and wireframes into working software Develop across the full stack: front-end interfaces, APIs, data models, and integrations Contribute to architectural decisions (data models, authentication, hosting, security) using senior-level judgement Maintain strong version control and deployment practices (Git, branching, code review, CI/CD) Work closely with clinical, operational, and manufacturing teams to inform product development Support the growth and shaping of the technical team over time Planned technology stack: Front-end: React + TypeScript, Tailwind CSS, shadcn/ui Mobile: Capacitor (shared codebase across web and mobile) Offline capability: Progressive Web App (PWA) Backend: Node.js with a single API and multiple front-end clients Database: PostgreSQL Hosting: AWS or Azure with infrastructure-as-code CI/CD: GitHub Actions with per-PR environments Deployment: Docker-based containerisation Authentication: Auth0 or Clerk (TBC) What our client is looking for: Strong full-stack development experience (React, TypeScript, Node.js) Experience designing REST APIs and working with relational databases (e.g. PostgreSQL) Practical cloud experience (AWS or Azure), including deployment and CI/CD pipelines Proven ability to work in an agentic way with AI development tools - structuring problems and critically evaluating outputs Strong understanding of authentication, authorisation, data modelling, security, and edge cases Excellent communication skills, with the ability to engage both technical and non-technical stakeholders A self-driven, entrepreneurial mindset, comfortable working autonomously within a small, high-impact team What's on offer: Scope to shape a growing platform and team 25 days annual leave plus bank holidays Company pension scheme Flexible hybrid working Budget for AI tooling and productivity tools Interested? Please Click Apply Now We are particularly interested in hearing about: Projects delivered using AI-assisted development workflows Tools you use regularly How your development approach has evolved alongside AI advancements Agentic Software Engineer
May 03, 2026
Full time
Agentic Software Engineer Our client is a UK-based organisation operating in the medtech industry, with a team of around 200 people. They design and manufacture bespoke solutions that improve patients' quality of life. They are investing significantly in technology and automation to support their next phase of growth. A key initiative is the development of a new digital platform that connects prescription workflows, manufacturing processes, and patient outcomes into a single integrated system. The role This is a hands-on lead role suited to someone who works agentically- using AI systems to plan, scaffold, and deliver complex development tasks, while applying strong engineering judgement to review and refine outputs. As the first dedicated developer on this platform, you will work closely with senior leadership from initial concept through to production delivery, playing a central role in shaping both the system and the future team. Our client is looking for someone entrepreneurial and highly proactive, who is comfortable engaging directly with clinicians and operational teams to understand real-world problems before building solutions. Key responsibilities: Direct AI coding agents across complex, multi-step development tasks, structuring context and taking full ownership of outputs Translate requirements, user journeys, and wireframes into working software Develop across the full stack: front-end interfaces, APIs, data models, and integrations Contribute to architectural decisions (data models, authentication, hosting, security) using senior-level judgement Maintain strong version control and deployment practices (Git, branching, code review, CI/CD) Work closely with clinical, operational, and manufacturing teams to inform product development Support the growth and shaping of the technical team over time Planned technology stack: Front-end: React + TypeScript, Tailwind CSS, shadcn/ui Mobile: Capacitor (shared codebase across web and mobile) Offline capability: Progressive Web App (PWA) Backend: Node.js with a single API and multiple front-end clients Database: PostgreSQL Hosting: AWS or Azure with infrastructure-as-code CI/CD: GitHub Actions with per-PR environments Deployment: Docker-based containerisation Authentication: Auth0 or Clerk (TBC) What our client is looking for: Strong full-stack development experience (React, TypeScript, Node.js) Experience designing REST APIs and working with relational databases (e.g. PostgreSQL) Practical cloud experience (AWS or Azure), including deployment and CI/CD pipelines Proven ability to work in an agentic way with AI development tools - structuring problems and critically evaluating outputs Strong understanding of authentication, authorisation, data modelling, security, and edge cases Excellent communication skills, with the ability to engage both technical and non-technical stakeholders A self-driven, entrepreneurial mindset, comfortable working autonomously within a small, high-impact team What's on offer: Scope to shape a growing platform and team 25 days annual leave plus bank holidays Company pension scheme Flexible hybrid working Budget for AI tooling and productivity tools Interested? Please Click Apply Now We are particularly interested in hearing about: Projects delivered using AI-assisted development workflows Tools you use regularly How your development approach has evolved alongside AI advancements Agentic Software Engineer
SENIOR SOFTWARE DEVELOPER £85,000 GUILDFORD This is an opportunity to join an innovation-led software consultancy working on complex, real-world engineering problems. The role offers high levels of autonomy, technically challenging work, and exposure to a wide variety of short-to-mid-term projects. THE COMPANY Our client is a specialist software consultancy delivering bespoke products for organisations operating in highly constrained, problem-heavy environments. They focus on technical excellence, innovation and delivery quality, offering engineers the chance to work on challenging systems rather than repetitive product features. THE ROLE Design and build end-to-end software solutions Work as a senior full-stack engineer (backend-leaning) Own delivery of complex technical problems Build, deploy and support cloud-based systems Collaborate with engineers and data specialists on production solutions Contribute to technical decisions and coding standards YOUR SKILLS AND EXPERIENCE 5+ years commercial software development experience Strong Java and Spring / Spring Boot background Frontend experience with Angular (React or Vue also acceptable) Experience building microservices and APIs Cloud experience (Azure preferred, AWS acceptable) Comfortable working independently with minimal supervision LOCATION & WORKING PATTERN Hybrid working Office within 30 minutes commute from London Waterloo SALARY AND BENEFITS Up to £80,000 base salary Pension contribution 25 days holiday plus bank holidays (option to buy more) Paid training days and charity days Option to work remotely from abroad for part of the year SECURITY REQUIREMENTS Must be eligible to obtain UK Security Clearance No sponsorship available HOW TO APPLY Please submit your CV to Harry Lack for review through the ' apply' link.
May 03, 2026
Full time
SENIOR SOFTWARE DEVELOPER £85,000 GUILDFORD This is an opportunity to join an innovation-led software consultancy working on complex, real-world engineering problems. The role offers high levels of autonomy, technically challenging work, and exposure to a wide variety of short-to-mid-term projects. THE COMPANY Our client is a specialist software consultancy delivering bespoke products for organisations operating in highly constrained, problem-heavy environments. They focus on technical excellence, innovation and delivery quality, offering engineers the chance to work on challenging systems rather than repetitive product features. THE ROLE Design and build end-to-end software solutions Work as a senior full-stack engineer (backend-leaning) Own delivery of complex technical problems Build, deploy and support cloud-based systems Collaborate with engineers and data specialists on production solutions Contribute to technical decisions and coding standards YOUR SKILLS AND EXPERIENCE 5+ years commercial software development experience Strong Java and Spring / Spring Boot background Frontend experience with Angular (React or Vue also acceptable) Experience building microservices and APIs Cloud experience (Azure preferred, AWS acceptable) Comfortable working independently with minimal supervision LOCATION & WORKING PATTERN Hybrid working Office within 30 minutes commute from London Waterloo SALARY AND BENEFITS Up to £80,000 base salary Pension contribution 25 days holiday plus bank holidays (option to buy more) Paid training days and charity days Option to work remotely from abroad for part of the year SECURITY REQUIREMENTS Must be eligible to obtain UK Security Clearance No sponsorship available HOW TO APPLY Please submit your CV to Harry Lack for review through the ' apply' link.
Bruin Financial & Professional Services
Manchester, Lancashire
Senior / Lead Full Stack Engineer (Java) - Financial Services Location: Manchester (Hybrid) Salary: Competitive + excellent benefits We're working with a global financial services organisation looking to hire a Senior / Lead Full Stack Engineer to join a high-impact engineering function delivering mission-critical systems. This is a hands-on leadership role, suited to someone who combines deep technical expertise in Java with the ability to lead teams, drive engineering standards, and deliver complex systems end-to-end. The role You'll take ownership of delivering scalable, secure, and resilient software solutions, working closely with product, design and operations teams. Alongside hands-on development, you'll play a key role in mentoring engineers and shaping best practices across the team. There is a strong emphasis on backend engineering using Java (Spring), alongside full stack exposure and involvement in modern engineering and AI-driven initiatives. Key responsibilities Lead and mentor engineering teams, supporting development, performance and growth Own end-to-end delivery across the full software lifecycle (design, build, test, deploy, support) Design and build scalable microservices and APIs using Java (Spring) Drive engineering best practices across code quality, testing, DevOps and automation Partner with stakeholders to translate business needs into technical solutions Contribute to architecture, system integration and modernisation initiatives Develop and integrate AI-driven capabilities into applications and workflows Ensure systems are secure, observable, and highly performant What we're looking for Strong Java development experience (Spring) within complex, enterprise environments Experience building distributed systems and microservices architectures Proven experience leading or mentoring engineering teams Strong understanding of DevOps practices (CI/CD, automation, testing) Experience with tools such as GitLab, Docker, Splunk, AppDynamics Exposure to frontend technologies (JavaScript / TypeScript) Experience working in agile environments (Scrum / Kanban) Experience or strong interest in AI development and integrating AI into products Financial services experience is beneficial Tech environment Backend: Java (Spring), Groovy Frontend: JavaScript / TypeScript Architecture: Microservices Testing: JUnit, Spock DevOps & tooling: GitLab, Docker, CI/CD pipelines Cloud & monitoring: Private cloud, Splunk, AppDynamics Why apply Join a globally recognised financial services organisation Work on large-scale, high-impact systems Opportunity to influence engineering standards and technical direction Exposure to AI-driven innovation Strong career progression within a structured environment
May 03, 2026
Full time
Senior / Lead Full Stack Engineer (Java) - Financial Services Location: Manchester (Hybrid) Salary: Competitive + excellent benefits We're working with a global financial services organisation looking to hire a Senior / Lead Full Stack Engineer to join a high-impact engineering function delivering mission-critical systems. This is a hands-on leadership role, suited to someone who combines deep technical expertise in Java with the ability to lead teams, drive engineering standards, and deliver complex systems end-to-end. The role You'll take ownership of delivering scalable, secure, and resilient software solutions, working closely with product, design and operations teams. Alongside hands-on development, you'll play a key role in mentoring engineers and shaping best practices across the team. There is a strong emphasis on backend engineering using Java (Spring), alongside full stack exposure and involvement in modern engineering and AI-driven initiatives. Key responsibilities Lead and mentor engineering teams, supporting development, performance and growth Own end-to-end delivery across the full software lifecycle (design, build, test, deploy, support) Design and build scalable microservices and APIs using Java (Spring) Drive engineering best practices across code quality, testing, DevOps and automation Partner with stakeholders to translate business needs into technical solutions Contribute to architecture, system integration and modernisation initiatives Develop and integrate AI-driven capabilities into applications and workflows Ensure systems are secure, observable, and highly performant What we're looking for Strong Java development experience (Spring) within complex, enterprise environments Experience building distributed systems and microservices architectures Proven experience leading or mentoring engineering teams Strong understanding of DevOps practices (CI/CD, automation, testing) Experience with tools such as GitLab, Docker, Splunk, AppDynamics Exposure to frontend technologies (JavaScript / TypeScript) Experience working in agile environments (Scrum / Kanban) Experience or strong interest in AI development and integrating AI into products Financial services experience is beneficial Tech environment Backend: Java (Spring), Groovy Frontend: JavaScript / TypeScript Architecture: Microservices Testing: JUnit, Spock DevOps & tooling: GitLab, Docker, CI/CD pipelines Cloud & monitoring: Private cloud, Splunk, AppDynamics Why apply Join a globally recognised financial services organisation Work on large-scale, high-impact systems Opportunity to influence engineering standards and technical direction Exposure to AI-driven innovation Strong career progression within a structured environment
Senior Java Engineer Modern Stack TDD & CI/CD Complex Systems Remote First (office visit once a month) - you must live within 1hr 30 of South Manchester £60,000 - £70,000 + Bonus + Excellent Benefits my client is not able to provide sponsorship We're working with a long-established tech company who are continuing to modernise a complex platform within a highly regulated domain. They've built a strong engineering culture around Agile and XP practices, and they're now looking for a Senior Java Engineer to join one of their Scrum teams. This is a role for someone who is genuinely hands-on, enjoys solving tricky problems, and cares about building software the right way - clean code, testing, collaboration, and continuous improvement. The Opportunity You'll join a cross-functional team working on large-scale systems that have real-world impact. Engineering standards are taken seriously here, but it's not dogmatic - it's practical, delivery-focused, and built around doing things sustainably. The Senior role is almost entirely hands-on , but they're looking for someone with the experience and maturity to: mentor other engineers lead by example contribute to good engineering practices help the team deliver reliably Tech Stack & Practices The core platform is Java-based, supported by a modern mix of tooling: Java, Spring Boot TDD / automated testing CI/CD and modern delivery pipelines AWS (including serverless approaches in places) Docker, Kubernetes Infrastructure as Code (Terraform, etc.) You don't need to tick every box - strong Java + good engineering habits are the priority. Exposure to AWS and DevOps tooling is a nice bonus. What They're Looking For Strong experience building backend systems with Java & Spring Boot Comfortable working with TDD and modern engineering practices Experience delivering production software in Agile teams Someone who enjoys mentoring and helping others grow Collaborative mindset - pairing, code reviews, shared ownership Bonus points for AWS, Docker/Kubernetes, Terraform, etc. What's In It For You? Remote-first working with minimal office travel Strong salary, bonus and excellent benefits A genuinely good engineering culture (not just "Agile" on paper) Meaningful work, complex systems, and long-term platform thinking Plenty of room to learn and grow Interested? Apply now or get in touch for more info - even if you don't have a CV ready, we're happy to chat. Cathcart Technology is acting as an Employment Agency in relation to this vacancy.
May 03, 2026
Full time
Senior Java Engineer Modern Stack TDD & CI/CD Complex Systems Remote First (office visit once a month) - you must live within 1hr 30 of South Manchester £60,000 - £70,000 + Bonus + Excellent Benefits my client is not able to provide sponsorship We're working with a long-established tech company who are continuing to modernise a complex platform within a highly regulated domain. They've built a strong engineering culture around Agile and XP practices, and they're now looking for a Senior Java Engineer to join one of their Scrum teams. This is a role for someone who is genuinely hands-on, enjoys solving tricky problems, and cares about building software the right way - clean code, testing, collaboration, and continuous improvement. The Opportunity You'll join a cross-functional team working on large-scale systems that have real-world impact. Engineering standards are taken seriously here, but it's not dogmatic - it's practical, delivery-focused, and built around doing things sustainably. The Senior role is almost entirely hands-on , but they're looking for someone with the experience and maturity to: mentor other engineers lead by example contribute to good engineering practices help the team deliver reliably Tech Stack & Practices The core platform is Java-based, supported by a modern mix of tooling: Java, Spring Boot TDD / automated testing CI/CD and modern delivery pipelines AWS (including serverless approaches in places) Docker, Kubernetes Infrastructure as Code (Terraform, etc.) You don't need to tick every box - strong Java + good engineering habits are the priority. Exposure to AWS and DevOps tooling is a nice bonus. What They're Looking For Strong experience building backend systems with Java & Spring Boot Comfortable working with TDD and modern engineering practices Experience delivering production software in Agile teams Someone who enjoys mentoring and helping others grow Collaborative mindset - pairing, code reviews, shared ownership Bonus points for AWS, Docker/Kubernetes, Terraform, etc. What's In It For You? Remote-first working with minimal office travel Strong salary, bonus and excellent benefits A genuinely good engineering culture (not just "Agile" on paper) Meaningful work, complex systems, and long-term platform thinking Plenty of room to learn and grow Interested? Apply now or get in touch for more info - even if you don't have a CV ready, we're happy to chat. Cathcart Technology is acting as an Employment Agency in relation to this vacancy.
White Collar Factory (95009), United Kingdom, London, London Lead Software Development Engineer - Services About this role Capital One's mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose primary role is to be an enabler of our ambitions. Capital One is looking for a Senior Software Development Engineer to join a backend team, based in our London office on a hybrid basis. Our Engineers are people who lead by example, build strong and valuable relationships and have the confidence to influence at all levels. We are proud of who we are and what we do and want you to join us at this particularly exciting time at Capital One. What you'll do You will lead a team or cross-functional squad in the delivery of complex and ambiguous projects that support a broader business outcome You will take end-to-end responsibility for technical design, implementation, and operational considerations Collaborate with engineers, architects, product owners, and stakeholders to ensure successful project outcomes You will play a crucial role in supporting the elevation of engineering enablement, excellence, and experience across the broader engineering community You will collaborate and contribute to the development and dissemination of standardised and sustainable best practices, tools, patterns, and frameworks that enhance the productivity and quality of engineering efforts business-wide Your focus is on a major portion of existing or new team software (e.g., significant component, set of features, mid-size application or service) You'll work to achieve the goals and vision shared by Product Management and your Tribe Leadership Innovate within your team, initiative area and contribute within your technical domain What we're looking for Proven experience in technical leadership, including leading a team or cross-functional squad Proven experience working in both backend services and mobile technologies Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST Experience with AWS and strong understanding of cloud-based development Extensive, demonstrable knowledge of designing architectures that are secure and perform at scale You're able to effectively communicate and work collaboratively across engineering to maximise inner-sourcing opportunities and reduce waste Proven experience ability to deliver high quality applications at scale An advocate for quality and the ability to support the team, leveraging approaches such as Pair Programming, TDD and BDD Where and how you'll work This is a permanent position and will be based in our London office. We have a hybrid working model which gives you flexibility to work from our offices and from home. We're big on collaboration and connection, so you'll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays. What's in it for you Bring us all this - and you'll be handsomely rewarded with a role contributing to the product roadmap for an organisation committed to transformation We're continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve We love continuous learning and that's why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers) Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café What you should know about how we recruit We are committed to creating a level playing field and seek to create teams that are representative of our customers and the communities we serve. We'd love to hear from you if you identify with a typically under-represented group in our industry and are particularly keen to hear from women and ethnic minority candidates. We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it's about what you do, not just what you say. That's why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages. We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few: REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies OutFront - to provide LGBTQ+ support for all associates Mind Your Mind - signposting support and promoting positive mental wellbeing for all Women in Tech - promoting an inclusive environment in tech EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry Capital One is committed to diversity in the workplace. If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment. For technical support or questions about Capital One's recruiting process, please send an email to Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site. Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC). Who We Are At Capital One, we're building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding. Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.
May 03, 2026
Full time
White Collar Factory (95009), United Kingdom, London, London Lead Software Development Engineer - Services About this role Capital One's mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose primary role is to be an enabler of our ambitions. Capital One is looking for a Senior Software Development Engineer to join a backend team, based in our London office on a hybrid basis. Our Engineers are people who lead by example, build strong and valuable relationships and have the confidence to influence at all levels. We are proud of who we are and what we do and want you to join us at this particularly exciting time at Capital One. What you'll do You will lead a team or cross-functional squad in the delivery of complex and ambiguous projects that support a broader business outcome You will take end-to-end responsibility for technical design, implementation, and operational considerations Collaborate with engineers, architects, product owners, and stakeholders to ensure successful project outcomes You will play a crucial role in supporting the elevation of engineering enablement, excellence, and experience across the broader engineering community You will collaborate and contribute to the development and dissemination of standardised and sustainable best practices, tools, patterns, and frameworks that enhance the productivity and quality of engineering efforts business-wide Your focus is on a major portion of existing or new team software (e.g., significant component, set of features, mid-size application or service) You'll work to achieve the goals and vision shared by Product Management and your Tribe Leadership Innovate within your team, initiative area and contribute within your technical domain What we're looking for Proven experience in technical leadership, including leading a team or cross-functional squad Proven experience working in both backend services and mobile technologies Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST Experience with AWS and strong understanding of cloud-based development Extensive, demonstrable knowledge of designing architectures that are secure and perform at scale You're able to effectively communicate and work collaboratively across engineering to maximise inner-sourcing opportunities and reduce waste Proven experience ability to deliver high quality applications at scale An advocate for quality and the ability to support the team, leveraging approaches such as Pair Programming, TDD and BDD Where and how you'll work This is a permanent position and will be based in our London office. We have a hybrid working model which gives you flexibility to work from our offices and from home. We're big on collaboration and connection, so you'll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays. What's in it for you Bring us all this - and you'll be handsomely rewarded with a role contributing to the product roadmap for an organisation committed to transformation We're continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve We love continuous learning and that's why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers) Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café What you should know about how we recruit We are committed to creating a level playing field and seek to create teams that are representative of our customers and the communities we serve. We'd love to hear from you if you identify with a typically under-represented group in our industry and are particularly keen to hear from women and ethnic minority candidates. We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it's about what you do, not just what you say. That's why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages. We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few: REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies OutFront - to provide LGBTQ+ support for all associates Mind Your Mind - signposting support and promoting positive mental wellbeing for all Women in Tech - promoting an inclusive environment in tech EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry Capital One is committed to diversity in the workplace. If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment. For technical support or questions about Capital One's recruiting process, please send an email to Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site. Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC). Who We Are At Capital One, we're building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding. Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.
Java / Microservices / API design / LLMs / AI / Claude Code / Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This is a hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance and reliability Build AI-powered tooling, including MCP servers and AI-assisted CI/CD pipelines Demonstrate how AI transforms developer productivity and code quality What We're Looking For 6+ years' backend engineering experience (Java) Proven experience modernising production systems at scale Hands-on use of AI development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design Java / Microservices / API design / LLMs / AI / Claude Code / Copilot
May 02, 2026
Full time
Java / Microservices / API design / LLMs / AI / Claude Code / Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join a Service Modernisation team driving AI-first software development in financial services. This is a hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance and reliability Build AI-powered tooling, including MCP servers and AI-assisted CI/CD pipelines Demonstrate how AI transforms developer productivity and code quality What We're Looking For 6+ years' backend engineering experience (Java) Proven experience modernising production systems at scale Hands-on use of AI development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design Java / Microservices / API design / LLMs / AI / Claude Code / Copilot
Harnham - Data & Analytics Recruitment
Nottingham, Nottinghamshire
Senior Back-End Software Engineer up to £90,000Nottingham (Hybrid) This is a great opportunity to join a high-growth retail technology organisation where you can take ownership of building scalable, cloud-native backend services that power a global digital platform. THE COMPANY: This is one of the UK's largest retail groups, spanningmajorhigh-street and lifestyle brands. With continued expansion, global partnerships andaperformance-driven culture, the Group offers exposure to a diverse portfolio of brands and the chance to build a career within a large, ambitious commercial environment. THE ROLE: You will take ownership of designing and delivering backend services within a modern MACH-based digital platform (Microservices, API-first, Cloud-Native and Headless). Working closely with product, frontend and platform teams. Key responsibilities include: Designing, developing and maintaining scalable microservices using TypeScript and Node.js Building and supporting GraphQL and REST APIs for internal and external integrations Translating business requirements into robust technical solutions, architecture and documentation Championing code quality, automation, CI/CD and DevOps best practices across the team YOUR SKILLS AND EXPERIENCE: You will bring strong capability in: TypeScript and Node.js development Microservices-based architectures GraphQL and REST API design Working with SQL and NoSQL databases Modern software development practices, including CI/CD, testing and automation THE BENEFITS: You will receive a competitive salary depending on experience, along with a comprehensive benefits package including recognition schemes, wellbeing support, discounted gym memberships, retail immersion days and performance-linked rewards. HOW TO APPLY: Please register your interest by sending your CV to Molly Bird via the apply link on this page.
May 02, 2026
Full time
Senior Back-End Software Engineer up to £90,000Nottingham (Hybrid) This is a great opportunity to join a high-growth retail technology organisation where you can take ownership of building scalable, cloud-native backend services that power a global digital platform. THE COMPANY: This is one of the UK's largest retail groups, spanningmajorhigh-street and lifestyle brands. With continued expansion, global partnerships andaperformance-driven culture, the Group offers exposure to a diverse portfolio of brands and the chance to build a career within a large, ambitious commercial environment. THE ROLE: You will take ownership of designing and delivering backend services within a modern MACH-based digital platform (Microservices, API-first, Cloud-Native and Headless). Working closely with product, frontend and platform teams. Key responsibilities include: Designing, developing and maintaining scalable microservices using TypeScript and Node.js Building and supporting GraphQL and REST APIs for internal and external integrations Translating business requirements into robust technical solutions, architecture and documentation Championing code quality, automation, CI/CD and DevOps best practices across the team YOUR SKILLS AND EXPERIENCE: You will bring strong capability in: TypeScript and Node.js development Microservices-based architectures GraphQL and REST API design Working with SQL and NoSQL databases Modern software development practices, including CI/CD, testing and automation THE BENEFITS: You will receive a competitive salary depending on experience, along with a comprehensive benefits package including recognition schemes, wellbeing support, discounted gym memberships, retail immersion days and performance-linked rewards. HOW TO APPLY: Please register your interest by sending your CV to Molly Bird via the apply link on this page.
White Collar Factory (95009), United Kingdom, London, London Lead Software Development Engineer - Services About this role Capital One's mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose primary role is to be an enabler of our ambitions. Capital One is looking for a Senior Software Development Engineer to join a backend team, based in our London office on a hybrid basis. Our Engineers are people who lead by example, build strong and valuable relationships and have the confidence to influence at all levels. We are proud of who we are and what we do and want you to join us at this particularly exciting time at Capital One. What you'll do You will lead a team or cross-functional squad in the delivery of complex and ambiguous projects that support a broader business outcome You will take end-to-end responsibility for technical design, implementation, and operational considerations Collaborate with engineers, architects, product owners, and stakeholders to ensure successful project outcomes You will play a crucial role in supporting the elevation of engineering enablement, excellence, and experience across the broader engineering community You will collaborate and contribute to the development and dissemination of standardised and sustainable best practices, tools, patterns, and frameworks that enhance the productivity and quality of engineering efforts business-wide Your focus is on a major portion of existing or new team software (e.g., significant component, set of features, mid-size application or service) You'll work to achieve the goals and vision shared by Product Management and your Tribe Leadership Innovate within your team, initiative area and contribute within your technical domain What we're looking for Proven experience in technical leadership, including leading a team or cross-functional squad Proven experience working in both backend services and mobile technologies Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST Experience with AWS and strong understanding of cloud-based development Extensive, demonstrable knowledge of designing architectures that are secure and perform at scale You're able to effectively communicate and work collaboratively across engineering to maximise inner-sourcing opportunities and reduce waste Proven experience ability to deliver high quality applications at scale An advocate for quality and the ability to support the team, leveraging approaches such as Pair Programming, TDD and BDD Where and how you'll work This is a permanent position and will be based in our London office. We have a hybrid working model which gives you flexibility to work from our offices and from home. We're big on collaboration and connection, so you'll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays. What's in it for you Bring us all this - and you'll be handsomely rewarded with a role contributing to the product roadmap for an organisation committed to transformation We're continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve We love continuous learning and that's why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers) Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café What you should know about how we recruit We are committed to creating a level playing field and seek to create teams that are representative of our customers and the communities we serve. We'd love to hear from you if you identify with a typically under-represented group in our industry and are particularly keen to hear from women and ethnic minority candidates. We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it's about what you do, not just what you say. That's why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages. We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few: REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies OutFront - to provide LGBTQ+ support for all associates Mind Your Mind - signposting support and promoting positive mental wellbeing for all Women in Tech - promoting an inclusive environment in tech EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry Capital One is committed to diversity in the workplace. If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment. For technical support or questions about Capital One's recruiting process, please send an email to
May 02, 2026
Full time
White Collar Factory (95009), United Kingdom, London, London Lead Software Development Engineer - Services About this role Capital One's mission is to change banking for good by bringing humanity, ingenuity and simplicity to banking. Sitting at the core of such values is our Software Engineering department whose primary role is to be an enabler of our ambitions. Capital One is looking for a Senior Software Development Engineer to join a backend team, based in our London office on a hybrid basis. Our Engineers are people who lead by example, build strong and valuable relationships and have the confidence to influence at all levels. We are proud of who we are and what we do and want you to join us at this particularly exciting time at Capital One. What you'll do You will lead a team or cross-functional squad in the delivery of complex and ambiguous projects that support a broader business outcome You will take end-to-end responsibility for technical design, implementation, and operational considerations Collaborate with engineers, architects, product owners, and stakeholders to ensure successful project outcomes You will play a crucial role in supporting the elevation of engineering enablement, excellence, and experience across the broader engineering community You will collaborate and contribute to the development and dissemination of standardised and sustainable best practices, tools, patterns, and frameworks that enhance the productivity and quality of engineering efforts business-wide Your focus is on a major portion of existing or new team software (e.g., significant component, set of features, mid-size application or service) You'll work to achieve the goals and vision shared by Product Management and your Tribe Leadership Innovate within your team, initiative area and contribute within your technical domain What we're looking for Proven experience in technical leadership, including leading a team or cross-functional squad Proven experience working in both backend services and mobile technologies Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST Experience with AWS and strong understanding of cloud-based development Extensive, demonstrable knowledge of designing architectures that are secure and perform at scale You're able to effectively communicate and work collaboratively across engineering to maximise inner-sourcing opportunities and reduce waste Proven experience ability to deliver high quality applications at scale An advocate for quality and the ability to support the team, leveraging approaches such as Pair Programming, TDD and BDD Where and how you'll work This is a permanent position and will be based in our London office. We have a hybrid working model which gives you flexibility to work from our offices and from home. We're big on collaboration and connection, so you'll be based in our London office 3 days a week on Tuesdays, Wednesdays and Thursdays. What's in it for you Bring us all this - and you'll be handsomely rewarded with a role contributing to the product roadmap for an organisation committed to transformation We're continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve We love continuous learning and that's why we give you 10% of your time to work on cutting edge innovative projects that shape the way we will work in the future We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers) Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance - with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café What you should know about how we recruit We are committed to creating a level playing field and seek to create teams that are representative of our customers and the communities we serve. We'd love to hear from you if you identify with a typically under-represented group in our industry and are particularly keen to hear from women and ethnic minority candidates. We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it's about what you do, not just what you say. That's why we make our recruitment process fair and accessible. And we offer benefits that attract people at all ages and stages. We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few: REACH - Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies OutFront - to provide LGBTQ+ support for all associates Mind Your Mind - signposting support and promoting positive mental wellbeing for all Women in Tech - promoting an inclusive environment in tech EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry Capital One is committed to diversity in the workplace. If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment. For technical support or questions about Capital One's recruiting process, please send an email to
Senior Python Engineer Ipswich (Hybrid) 65,000- 70,000 Python Location: Ipswich, hybrid working Salary: Competitive + benefits + equity Tech Stack: Backend: Python Architecture: Microservices, distributed systems Cloud: AWS, Azure, or GCP experience beneficial Tools: Git, CI/CD pipelines, REST APIs Are you the kind of engineer who enjoys working on systems where correctness, reliability, and real world impact matter and you're looking for your next career challenge? We're working with a well-established but growing technology company building complex, data heavy software used in high stakes environments. This is not a greenfield startup chasing hype cycles, it is a product that is deeply embedded in critical workflows, where performance, accuracy, and robustness are non-negotiable. You would be joining a team responsible for evolving a core platform, designing and building systems that handle large volumes of data, integrating external services, and ensuring everything holds up under real world pressure. What you will be doing: Designing and building scalable backend systems in Python, with a strong focus on API design and data handling Owning features end to end, from discovery through to deployment and iteration Contributing to architectural decisions across a microservices based platform Integrating third party services and maintaining external libraries where needed Working closely with product and QA to deliver reliable, production ready software Mentoring & supporting other engineers and raising the overall technical bar within the team What they are looking for: Proven Python experience, with a track record of building and maintaining production systems Solid understanding of system design, particularly around APIs and distributed architectures Experience working with AWS and modern deployment practices Engineers who care about code quality, CI/CD, and building systems that last Someone who can operate independently, but also contribute meaningfully to team direction and delivery Comfortable working in environments where the problems are complex and not neatly defined Why this role stands out: You are working on a product that is already trusted and widely used, not something trying to find product market fit The engineering challenges are real, involving scale, data complexity, and system reliability rather than surface level features There is a balance of autonomy and responsibility, you are expected to think, not just execute A strong engineering culture that values good decisions, collaboration, and inclusion over fast decisions Senior Python Engineer Ipswich (Hybrid) 65,000- 70,000 Python
Apr 30, 2026
Full time
Senior Python Engineer Ipswich (Hybrid) 65,000- 70,000 Python Location: Ipswich, hybrid working Salary: Competitive + benefits + equity Tech Stack: Backend: Python Architecture: Microservices, distributed systems Cloud: AWS, Azure, or GCP experience beneficial Tools: Git, CI/CD pipelines, REST APIs Are you the kind of engineer who enjoys working on systems where correctness, reliability, and real world impact matter and you're looking for your next career challenge? We're working with a well-established but growing technology company building complex, data heavy software used in high stakes environments. This is not a greenfield startup chasing hype cycles, it is a product that is deeply embedded in critical workflows, where performance, accuracy, and robustness are non-negotiable. You would be joining a team responsible for evolving a core platform, designing and building systems that handle large volumes of data, integrating external services, and ensuring everything holds up under real world pressure. What you will be doing: Designing and building scalable backend systems in Python, with a strong focus on API design and data handling Owning features end to end, from discovery through to deployment and iteration Contributing to architectural decisions across a microservices based platform Integrating third party services and maintaining external libraries where needed Working closely with product and QA to deliver reliable, production ready software Mentoring & supporting other engineers and raising the overall technical bar within the team What they are looking for: Proven Python experience, with a track record of building and maintaining production systems Solid understanding of system design, particularly around APIs and distributed architectures Experience working with AWS and modern deployment practices Engineers who care about code quality, CI/CD, and building systems that last Someone who can operate independently, but also contribute meaningfully to team direction and delivery Comfortable working in environments where the problems are complex and not neatly defined Why this role stands out: You are working on a product that is already trusted and widely used, not something trying to find product market fit The engineering challenges are real, involving scale, data complexity, and system reliability rather than surface level features There is a balance of autonomy and responsibility, you are expected to think, not just execute A strong engineering culture that values good decisions, collaboration, and inclusion over fast decisions Senior Python Engineer Ipswich (Hybrid) 65,000- 70,000 Python
Senior Java Engineer Modern Stack TDD & CI/CD Complex Systems Remote First (office visit once a month) - you must live within 1hr 30 of South Manchester 60,000 - 70,000 + Bonus + Excellent Benefits my client is not able to provide sponsorship We're working with a long-established tech company who are continuing to modernise a complex platform within a highly regulated domain. They've built a strong engineering culture around Agile and XP practices, and they're now looking for a Senior Java Engineer to join one of their Scrum teams. This is a role for someone who is genuinely hands-on, enjoys solving tricky problems, and cares about building software the right way - clean code, testing, collaboration, and continuous improvement. The Opportunity You'll join a cross-functional team working on large-scale systems that have real-world impact. Engineering standards are taken seriously here, but it's not dogmatic - it's practical, delivery-focused, and built around doing things sustainably. The Senior role is almost entirely hands-on , but they're looking for someone with the experience and maturity to: mentor other engineers lead by example contribute to good engineering practices help the team deliver reliably Tech Stack & Practices The core platform is Java-based, supported by a modern mix of tooling: Java, Spring Boot TDD / automated testing CI/CD and modern delivery pipelines AWS (including serverless approaches in places) Docker, Kubernetes Infrastructure as Code (Terraform, etc.) You don't need to tick every box - strong Java + good engineering habits are the priority. Exposure to AWS and DevOps tooling is a nice bonus. What They're Looking For Strong experience building backend systems with Java & Spring Boot Comfortable working with TDD and modern engineering practices Experience delivering production software in Agile teams Someone who enjoys mentoring and helping others grow Collaborative mindset - pairing, code reviews, shared ownership Bonus points for AWS, Docker/Kubernetes, Terraform, etc. What's In It For You? Remote-first working with minimal office travel Strong salary, bonus and excellent benefits A genuinely good engineering culture (not just "Agile" on paper) Meaningful work, complex systems, and long-term platform thinking Plenty of room to learn and grow Interested? Apply now or get in touch for more info - even if you don't have a CV ready, we're happy to chat. Cathcart Technology is acting as an Employment Agency in relation to this vacancy.
Apr 30, 2026
Full time
Senior Java Engineer Modern Stack TDD & CI/CD Complex Systems Remote First (office visit once a month) - you must live within 1hr 30 of South Manchester 60,000 - 70,000 + Bonus + Excellent Benefits my client is not able to provide sponsorship We're working with a long-established tech company who are continuing to modernise a complex platform within a highly regulated domain. They've built a strong engineering culture around Agile and XP practices, and they're now looking for a Senior Java Engineer to join one of their Scrum teams. This is a role for someone who is genuinely hands-on, enjoys solving tricky problems, and cares about building software the right way - clean code, testing, collaboration, and continuous improvement. The Opportunity You'll join a cross-functional team working on large-scale systems that have real-world impact. Engineering standards are taken seriously here, but it's not dogmatic - it's practical, delivery-focused, and built around doing things sustainably. The Senior role is almost entirely hands-on , but they're looking for someone with the experience and maturity to: mentor other engineers lead by example contribute to good engineering practices help the team deliver reliably Tech Stack & Practices The core platform is Java-based, supported by a modern mix of tooling: Java, Spring Boot TDD / automated testing CI/CD and modern delivery pipelines AWS (including serverless approaches in places) Docker, Kubernetes Infrastructure as Code (Terraform, etc.) You don't need to tick every box - strong Java + good engineering habits are the priority. Exposure to AWS and DevOps tooling is a nice bonus. What They're Looking For Strong experience building backend systems with Java & Spring Boot Comfortable working with TDD and modern engineering practices Experience delivering production software in Agile teams Someone who enjoys mentoring and helping others grow Collaborative mindset - pairing, code reviews, shared ownership Bonus points for AWS, Docker/Kubernetes, Terraform, etc. What's In It For You? Remote-first working with minimal office travel Strong salary, bonus and excellent benefits A genuinely good engineering culture (not just "Agile" on paper) Meaningful work, complex systems, and long-term platform thinking Plenty of room to learn and grow Interested? Apply now or get in touch for more info - even if you don't have a CV ready, we're happy to chat. Cathcart Technology is acting as an Employment Agency in relation to this vacancy.
Senior GenAI Full Stack Engineer Location: Manchester (Hybrid, 2 days per week in office) Salary: 75,000 to 85,000 + 4,000 Bonus + Benefits Type: Permanent About the Company We are partnering with a leading digital transformation and technology consultancy that helps organisations solve complex business challenges through cutting edge technology, AI and data driven solutions. This is an exciting opportunity to join a growing team focused on building next generation GenAI applications and scalable full stack solutions, working on complex client engagements and shaping enterprise level AI solutions. The Role As a Senior GenAI Full Stack Engineer, you will play a key role in designing, building and scaling enterprise grade AI powered applications. You will work across the full development lifecycle from proof of concept through to production deployment, while providing technical leadership across projects. You will lead the development of Generative AI proof of concepts and scale prototypes into production ready solutions. You will design and develop full stack applications across both GenAI and traditional software projects, while influencing architecture decisions and engineering best practices. You will collaborate closely with stakeholders, mentor junior engineers and contribute to shaping the wider GenAI capability within the team. Required Skills and Experience Strong backend development using Python with FastAPI or TypeScript with Node.js or Express Experience designing and building microservices architectures React and TypeScript front end development experience Experience with modern frameworks such as Next.js or Vite Strong experience with Generative AI frameworks such as LangChain, LangGraph or CrewAI Experience working with Large Language Models such as OpenAI, Anthropic, Llama or Mistral Experience with Retrieval Augmented Generation, AI agents or similar GenAI architectures Experience working with AWS or Azure in production environments Docker and containerisation experience, Kubernetes desirable Experience building and maintaining CI CD pipelines using GitHub, GitLab or Jenkins Experience contributing to architecture decisions and technical design Eligibility Must be eligible to work in the UK Must be eligible for UK Security Clearance Apply now to learn more.
Apr 30, 2026
Full time
Senior GenAI Full Stack Engineer Location: Manchester (Hybrid, 2 days per week in office) Salary: 75,000 to 85,000 + 4,000 Bonus + Benefits Type: Permanent About the Company We are partnering with a leading digital transformation and technology consultancy that helps organisations solve complex business challenges through cutting edge technology, AI and data driven solutions. This is an exciting opportunity to join a growing team focused on building next generation GenAI applications and scalable full stack solutions, working on complex client engagements and shaping enterprise level AI solutions. The Role As a Senior GenAI Full Stack Engineer, you will play a key role in designing, building and scaling enterprise grade AI powered applications. You will work across the full development lifecycle from proof of concept through to production deployment, while providing technical leadership across projects. You will lead the development of Generative AI proof of concepts and scale prototypes into production ready solutions. You will design and develop full stack applications across both GenAI and traditional software projects, while influencing architecture decisions and engineering best practices. You will collaborate closely with stakeholders, mentor junior engineers and contribute to shaping the wider GenAI capability within the team. Required Skills and Experience Strong backend development using Python with FastAPI or TypeScript with Node.js or Express Experience designing and building microservices architectures React and TypeScript front end development experience Experience with modern frameworks such as Next.js or Vite Strong experience with Generative AI frameworks such as LangChain, LangGraph or CrewAI Experience working with Large Language Models such as OpenAI, Anthropic, Llama or Mistral Experience with Retrieval Augmented Generation, AI agents or similar GenAI architectures Experience working with AWS or Azure in production environments Docker and containerisation experience, Kubernetes desirable Experience building and maintaining CI CD pipelines using GitHub, GitLab or Jenkins Experience contributing to architecture decisions and technical design Eligibility Must be eligible to work in the UK Must be eligible for UK Security Clearance Apply now to learn more.
Role: Senior Software Engineer Location: Milton Keynes (Fully office based) Hours: Full Time Monday to Friday, 9:30am 5:30pm (1 hour lunch) Salary: £70,000 Please note: We can only consider applicants who are based within a 20-mile radius of Milton Keynes. An excellent opportunity has now arisen for a Senior Software Engineer to join our client s growing and ambitious team. Who are we? Our client is a scaling SaaS business, operating within a close-knit and collaborative team as they continue to grow. This is a key hire for the business, with plans to bring more of the development function in-house whilst still utilising specialist contractors. This role will play a pivotal part in building out an internal development team, with the opportunity to step into a lead position as the team grows. Importantly, this is not a build from scratch role the platform is already established. The focus will be on maintaining, improving, and optimising existing code, ensuring performance, stability, and scalability as the business evolves. Benefits: Opportunity to be instrumental in building an in-house development function Clear progression into a leadership role Work closely with senior stakeholders and influence technical direction Join a growing business at an exciting stage of its journey Collaborative, supportive team environment Duties of a Senior Software Engineer: Maintain, optimise, and enhance an existing LAMP-based platform (Linux, Apache, MySQL, PHP) Take ownership of full stack development across backend and frontend components Improve system performance, security, and scalability Support and contribute to architectural decisions and long-term technical roadmap Collaborate with product, QA, and implementation teams to deliver high-quality solutions Maintain and optimise MySQL databases, schemas, and queries Contribute to frontend development using modern JavaScript frameworks (React, Vue or similar) Conduct code reviews and implement best practice across development Support production systems, troubleshooting and resolving issues as required Work alongside external contractors, with a view to bringing more capability in-house Mentor and support future team members as the function grows What we would like from you: Proven experience as a Senior or Full Stack Software Engineer within a LAMP environment Strong PHP development skills (Laravel or similar highly desirable) Solid experience with MySQL, including optimisation and performance tuning Experience with modern JavaScript frameworks (React, Vue, Angular etc.) Strong understanding of API design (RESTful or GraphQL) Experience working with Linux environments Familiarity with Git, CI/CD pipelines, and agile methodologies A proactive, solutions-focused mindset with strong problem-solving ability Excellent communication skills, able to work with both technical and non-technical stakeholders A passion for clean, maintainable code and continuous improvement If you are interested in this role, please apply below with your most recent CV. MKTEMP By applying to this job advertisement, you confirm you have read and understood our Data Protection and Privacy statement and give OA Group authorisation to hold you provided data. Thank you for your interest in this vacancy, which is being advertised by OA Group, who are acting as an employment agency / business. Your application will be considered in competition with others and we will contact you within 3 working days.
Apr 30, 2026
Full time
Role: Senior Software Engineer Location: Milton Keynes (Fully office based) Hours: Full Time Monday to Friday, 9:30am 5:30pm (1 hour lunch) Salary: £70,000 Please note: We can only consider applicants who are based within a 20-mile radius of Milton Keynes. An excellent opportunity has now arisen for a Senior Software Engineer to join our client s growing and ambitious team. Who are we? Our client is a scaling SaaS business, operating within a close-knit and collaborative team as they continue to grow. This is a key hire for the business, with plans to bring more of the development function in-house whilst still utilising specialist contractors. This role will play a pivotal part in building out an internal development team, with the opportunity to step into a lead position as the team grows. Importantly, this is not a build from scratch role the platform is already established. The focus will be on maintaining, improving, and optimising existing code, ensuring performance, stability, and scalability as the business evolves. Benefits: Opportunity to be instrumental in building an in-house development function Clear progression into a leadership role Work closely with senior stakeholders and influence technical direction Join a growing business at an exciting stage of its journey Collaborative, supportive team environment Duties of a Senior Software Engineer: Maintain, optimise, and enhance an existing LAMP-based platform (Linux, Apache, MySQL, PHP) Take ownership of full stack development across backend and frontend components Improve system performance, security, and scalability Support and contribute to architectural decisions and long-term technical roadmap Collaborate with product, QA, and implementation teams to deliver high-quality solutions Maintain and optimise MySQL databases, schemas, and queries Contribute to frontend development using modern JavaScript frameworks (React, Vue or similar) Conduct code reviews and implement best practice across development Support production systems, troubleshooting and resolving issues as required Work alongside external contractors, with a view to bringing more capability in-house Mentor and support future team members as the function grows What we would like from you: Proven experience as a Senior or Full Stack Software Engineer within a LAMP environment Strong PHP development skills (Laravel or similar highly desirable) Solid experience with MySQL, including optimisation and performance tuning Experience with modern JavaScript frameworks (React, Vue, Angular etc.) Strong understanding of API design (RESTful or GraphQL) Experience working with Linux environments Familiarity with Git, CI/CD pipelines, and agile methodologies A proactive, solutions-focused mindset with strong problem-solving ability Excellent communication skills, able to work with both technical and non-technical stakeholders A passion for clean, maintainable code and continuous improvement If you are interested in this role, please apply below with your most recent CV. MKTEMP By applying to this job advertisement, you confirm you have read and understood our Data Protection and Privacy statement and give OA Group authorisation to hold you provided data. Thank you for your interest in this vacancy, which is being advertised by OA Group, who are acting as an employment agency / business. Your application will be considered in competition with others and we will contact you within 3 working days.
Java / Microservices / API design / LLMs / AI / Claude Code / Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to 120,000 Join a Service Modernisation team driving AI-first software development in financial services. This is a hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance and reliability Build AI-powered tooling, including MCP servers and AI-assisted CI/CD pipelines Demonstrate how AI transforms developer productivity and code quality What We're Looking For 6+ years' backend engineering experience (Java) Proven experience modernising production systems at scale Hands-on use of AI development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design Java / Microservices / API design / LLMs / AI / Claude Code / Copilot
Apr 30, 2026
Full time
Java / Microservices / API design / LLMs / AI / Claude Code / Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to 120,000 Join a Service Modernisation team driving AI-first software development in financial services. This is a hands-on role modernising high-impact legacy services while building AI-powered engineering workflows. What You'll Do Modernise critical legacy Java services using AI-driven analysis and refactoring Apply migration patterns (e.g. strangler fig) to deliver clean, modern APIs Ship improvements in fast cycles with measurable gains in performance and reliability Build AI-powered tooling, including MCP servers and AI-assisted CI/CD pipelines Demonstrate how AI transforms developer productivity and code quality What We're Looking For 6+ years' backend engineering experience (Java) Proven experience modernising production systems at scale Hands-on use of AI development tools (e.g. Claude Code, GitHub Copilot, LLMs) Experience with MCP, AI automation, or agentic AI systems Strong understanding of microservices and API design Java / Microservices / API design / LLMs / AI / Claude Code / Copilot
