51 jobs found

Our client is hiring for a Senior / Lead Developer to drive full-stack delivery across a growing tech team. You'll work across the entire Software Delivery Lifecycle - from design to deployment, while mentoring a small, collaborative team and helping modernise a legacy platform into a React / Node / .NET / Azure ecosystem. What you'll be doing Leading end-to-end delivery of software systems Designing scalable, secure solutions on Azure Building modern APIs, backend services and React front-ends Improving reliability, performance and production readiness Guiding developers through pairing, reviews and technical decision-making Influencing architecture, standards and ways of working What you'll bring Senior or Lead-level experience delivering real production systems Strong .NET / C# engineering background Experience with modern web frameworks (React ideal) Cloud experience (Azure preferred, AWS/GCP welcome) Solid CI/CD exposure and comfort with both legacy + greenfield environment A natural mentor who enjoys helping others grow Nice to have PowerBI experience (reports + semantic models) Knowledge of modular design, integration patterns, microservices Why this role You'll join a tight-knit team working with modern pipelines, automated deployments, Terraform-driven environments, and a leadership team that genuinely backs engineering excellence. If you want autonomy, influence, and the chance to shape a fast-scaling platform then this could be the ideal opportunity for you. If you'd like to discuss in more detail, please contact Vicky Heard on or email -

My Banking client is seeking to recruit a Senior Full Stack Developer (React & .NET Core) on an initial 6 month based in London. It is hybrid and will require 3x days onsite per week. About the Role We are seeking a highly experienced Senior Full Stack Developer with deep expertise in React JS on the front-end and C# .NET Core on the backend. The ideal candidate will have substantial hands-on experience developing scalable applications, strong exposure to cloud-native architectures, with experience in the financial sector. Experience with CI/CD , microservices , and event-driven architectures is essential, and knowledge of Python (pyspark) for data-driven workflows is advantageous Key Responsibilities Design, develop, and maintain full stack applications using React JS , C#.NET Core , and supporting technologies. Build high-performance backend services, RESTful APIs, and microservices with focus on scalability, maintainability, and resilience. Develop responsive, modular, and accessible UI components using React JS and modern JS/TS patterns. Collaborate closely with business stakeholders and risk, Regulatory Reporting and Finance domain experts to deliver solutions in these domains. Have a strong understanding of Power BI dashboards , data models, and analytical reports for business users. Work with DevSecOps to implement and optimize CI/CD pipelines , ensuring robust automated testing, deployment, and monitoring. Architect and contribute to event-driven and distributed system designs using technologies such as Kafka, Event Hub, or similar. Drive engineering best practices: code reviews, unit/integration testing, performance tuning, documentation, security scanning Contribute to cloud migration and modernization initiatives, especially in Azure or AWS environments. Mentor junior developers and collaborate within a cross-functional agile team. Required Skills & Experience: Technical Skills Extensive professional software development experience. Front-end: Strong proficiency in React.js , JavaScript/TypeScript, Redux/RTK, hooks, and modern UI patterns and architecture. Micro front-end experience is key having delivered micro front-end architectures, and creating a reusable component library Experience with Telemetry and observability of front-end applications Back-end: Expertise in C# .NET Core , C#, REST APIs, Web APIs, and microservices-based development. Experience in transforming monolithic applications into composable microservices, or modular monoliths is a plus. Python (pyspark): Some hands-on experience with distributed data processing, data pipelines, and analytic transformations. Power BI: Some experience developing dashboards, data models, DAX calculations, and enterprise-grade BI solutions. Strong understanding of data modeling, performance tuning, and governance in Power BI. Architecture: Strong knowledge of microservices , API design , event-driven architectures , and distributed systems. DevOps / CI/CD: Experience with Azure DevOps, Gitlab, GitHub Actions, or similar. Strong understanding of automated builds, testing, deployment, and monitoring.

Senior Full Stack Python Engineer (Flask, REST APIs, AWS/Azure) Remote SaaS Platform £60,000 - £65,000 + Benefits We are recruiting for a Senior Full Stack Python Engineer to join a growing technology business building a data-driven SaaS platform focused on predictive modelling. This role is fully remote, with occasional quarterly meet-ups in the West Midlands. You will join at an exciting stage, moving from proof of concept into a production-grade Python platform, with the opportunity to shape architecture, influence technical decisions, and play a key role in scaling the product. Key Skills (Python, Flask, Full Stack, Cloud) Python (5+ years preferred) Flask or similar Python web frameworks Full Stack Development (backend and frontend) REST API development HTML, CSS and modern JavaScript JavaScript libraries (D3.js or similar) Testing frameworks (pytest) Git and collaborative development workflows Cloud platforms (AWS or Azure) Software architecture and clean code principles The Role You will work across backend and frontend development, helping to build and scale a modern SaaS platform. Build and develop a production-ready Python library Design and develop RESTful APIs using Python and Flask Develop frontend components using HTML, CSS and JavaScript Implement testing using pytest and TDD principles Contribute to system architecture and technical design Work with cloud infrastructure (AWS or Azure) Support CI/CD pipelines and development best practices What We Are Looking For We are looking for a strong engineer who can combine technical ability with clear thinking and communication. Able to explain technical concepts clearly Understands trade-offs in software design Comfortable contributing to technical decisions Enjoys solving complex problems in a practical way Confident working with both technical and non-technical stakeholders Desirable Experience SaaS platform development Data science libraries (pandas, NumPy, scikit-learn) Infrastructure as Code (Terraform or similar) Docker or containerisation Experience scaling production systems Why Apply? Work on a modern Python SaaS platform Influence architecture and technical direction High level of autonomy Remote working with flexible structure Opportunity to grow as the platform scales If you are a Senior Python Developer or Full Stack Engineer looking for a role where you can take ownership and contribute to meaningful technical decisions, we would be keen to speak.

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

Backend Software Engineer / Developer (Python Machine Learning AWS) Remote UK to £90k Are you a data savvy Backend Software Engineer with experience of implementing ML algorithms into production? You could be progressing your career in a senior, hands-on Backend Software Engineer role as part of a friendly and supportive international team at a growing and hugely successful European car insurance te click apply for full job details

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.

Senior Software Engineer Central London £85,000 plus 10% bonus and benefits 2 days in the office This is a chance to step into a senior, hands on engineering role where you can influence how complex, revenue critical platforms are designed and built. You will play a key part in shaping modern digital products, working closely with experienced leaders and helping to raise engineering standards across the team. The Company They are a well established media and advertising organisation operating at scale across the UK and Europe. The business builds and runs digital platforms that support large, data driven advertising campaigns for a wide range of partners. With significant investment in technology and a growing engineering function, they are focused on modernising their platforms and improving how products are delivered and scaled. The Role Design and build scalable, reliable backend and frontend systems that support internal products used to manage advertising campaigns end to end Act as a senior technical voice within the team, guiding design decisions and challenging the "why" behind solutions Coach and support a small group of developers through code reviews, technical guidance, and collaborative problem solving Work closely with product, architecture, and UX to ensure systems are well thought through and fit for purpose Contribute to improving system architecture, performance, and long term maintainability Take ownership of how problems are approached, prioritised, and solved, rather than simply delivering tasks Your Skills and Experience Strong commercial experience building production ready software in a modern engineering environment Backend experience with Node.js and familiarity with Python, particularly in data or AI related contexts Frontend experience with React and exposure to Next.js Experience working in cloud environments, ideally AWS, with an understanding of scalable architectures Confidence designing systems and thinking through trade offs, priorities, and long term impact A collaborative, proactive mindset with the ability to lead by example and influence others technically What They Offer Salary up to £85,000 plus bonus and a comprehensive benefits package Hybrid working with two days per week in the London office The opportunity to work on complex, high impact systems used at scale Clear scope to influence technical direction and grow your leadership skills without direct line management A supportive engineering culture focused on quality, collaboration, and continuous improvement How to Apply If you are a Senior Software Engineer looking for a role where you can have real technical influence and work on meaningful products, apply now to find out more.

Principal Full Stack Software Engineer Location: Hybrid - 1-2 days a week Salary: (Apply online only)k + 10% Bonus Type: Permanent No Sponsorship Available Overview: We are seeking a Principal Full Stack Software Engineer to lead the design, development, and delivery of scalable, high-performance applications across a modern cloud-based architecture. This is a senior, hands-on leadership role where you will shape technical direction, influence engineering standards, and drive best practice across the full software development lifecycle. You will work closely with product, architecture, and leadership teams to deliver robust, user-centric solutions while mentoring engineers and fostering a high-performing engineering culture. Key Responsibilities: Lead end-to-end design and development of full stack applications across frontend and backend systems Define and drive engineering best practices, coding standards, and architectural principles Act as a technical authority across multiple teams, guiding complex solution design and delivery Build scalable, secure, and high-performing systems using modern frameworks and cloud technologies Collaborate with Product Owners and stakeholders to translate business requirements into technical solutions Mentor and coach engineers, supporting career development and technical growth Drive adoption of DevOps practices, CI/CD pipelines, and automated testing frameworks Contribute to strategic technology decisions and long-term roadmap planning Ensure high levels of system reliability, performance, and security Required Skills & Experience: Extensive experience as a Full Stack Engineer with a strong track record in senior or principal-level roles Expertise in JavaScript/TypeScript and modern frontend frameworks (e.g., React, Angular, or Vue) Strong backend development experience (e.g., Node.js, Java, Python, or Go) Proven experience designing and building scalable, distributed systems Strong experience with REST APIs, microservices architecture, and event-driven systems Cloud experience with Azure with knowledge of serverless and containerised architectures Solid understanding of DevOps practices, CI/CD, and infrastructure as code Experience working in Agile environments and leading technical delivery Strong stakeholder engagement and communication skills Desirable Experience: Knowledge of data engineering or real-time data processing pipelines Exposure to system design at enterprise scale Experience working in regulated environments such as financial services Benefits: Competitive base salary and performance bonus Flexible hybrid working model Private healthcare and enhanced pension 25 days annual leave + additional benefits Learning and development budget Opportunity to shape engineering strategy within a growing organisation

.We're looking for a Software Engineer III to join the Search Platform team within Elsevier's Search and AI Platform. This role is ideal for a strong backend engineer who is curious, eager to learn, and excited to work on large-scale, cloud-native systems - including search - even if they haven't worked in this domain before. You'll contribute to the core services that power search across products such as Scopus or ScienceDirect, working on backend services, APIs, and platform components. You'll take ownership of well-defined pieces of work, deliver production-quality code, and grow your expertise through close collaboration with senior and principal engineers. About the team The Search Platform Team builds and operates the foundational services that enable search across Elsevier products. Our platform supports high-volume, mission-critical workloads and is evolving to support next-generation, AI-augmented discovery experiences. We work in a global, collaborative environment alongside product managers, data scientists, and other platform teams. We value clean engineering, learning, and shared ownership, and we actively support engineers as they grow into more complex problem spaces. Requirements: 2-4 years of professional software engineering experience in backend or platform roles Strong programming skills in Java, ideally using Spring / Spring Boot Experience delivering production-quality services in a cloud-based environment (preferably AWS) Familiarity with containerised applications and Kubernetes A strong desire to learn new technologies and grow into complex domains Responsibilities: Become productive in the Search Platform codebase, delivering features and fixes independently Build confidence working with Java-based, Kubernetes-hosted services in the cloud Learn the fundamentals of search platform concepts with support from the team Contribute to improving code quality, test coverage, and operational reliability Participate actively in code reviews, planning discussions, and team rituals Join our team and contribute to a culture of innovation, collaboration, and excellence. If you are ready to advance your career and make a significant impact, we encourage you to apply. Work in a way that works for you We promote a healthy work/life balance across the organization. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals. Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive. Working for you We know that your well-being and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer: Comprehensive Pension Plan Home, office, or commuting allowance. Generous vacation entitlement and option for sabbatical leave Maternity, Paternity, Adoption and Family Care leave Flexible working hours Personal Choice budget Internal communities and networks Various employee discounts Recruitment introduction reward Employee Assistance Program (global) About the business A global leader in information and analytics, we help researchers and healthcare professionals advance science and improve health outcomes for the benefit of society. Building on our publishing heritage, we combine quality information and vast data sets with analytics to support visionary science and research, health education, and interactive learning, as well as exceptional healthcare and clinical practice. At Elsevier, your work contributes to the world's grand challenges and a more sustainable future. We harness innovative technologies to support science and healthcare to partner for a better world. We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click to access benefits specific to your location. We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our or please contact 1-. Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams . Please read our .We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law. USA Job Seekers: . Software Engineer III - Search Platform About the role RELX is a global provider of information-based analytics and decision tools for professional and business customers, enabling them to make better decisions, get better results and be more productive.Our purpose is to benefit society by developing products that help researchers advance scientific knowledge; doctors and nurses improve the lives of patients; lawyers promote the rule of law and achieve justice and fair results for their clients; businesses and governments prevent fraud; consumers access financial services and get fair prices on insurance; and customers learn about markets and complete transactions.Our purpose guides our actions beyond the products that we develop. It defines us as a company. Every day across RELX our employees are inspired to undertake initiatives that make unique contributions to society and the communities in which we operate.

Senior Product Engineer, Full Stack - Energy £70,000 to £95,000 Permanent London, hybrid The opportunity Our client is hiring a Senior Product Engineer, Full Stack, to help build the next generation of customer-facing software in the energy market. Operating in a complex, high-value sector, the business is combining technology, data, and product thinking to modernise an area of the energy industry that has historically been underserved by great software. We have already placed 3 people into the business and are pleased to be supporting them again on this important hire. This is a genuinely exciting opportunity for a frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases. As a Senior Product Engineer, Full Stack, you will play a key role in shaping what gets built, how it is built, and how it evolves as the business scales. For the right person, this is a chance to join a growing company at the right stage and make a visible impact. The role is based in Mayfair, London, with a hybrid setup of 2 to 3 days per week in the office. The role This Senior Product Engineer, Full Stack role has a clear frontend lean. They need someone who can build high-quality frontend products from scratch, while also working confidently across backend services, integrations, and data-driven workflows. The frontend is a central part of the brief, but they want someone who understands the wider system and can contribute beyond the UI. The product sits in a data-rich environment, with workflows across billing, metering, reporting, consumption, and asset performance. They need an engineer who can take complexity and turn it into clean, reliable software that customers genuinely value. This is a high-ownership role in a growing team, well suited to someone who enjoys pace, autonomy, and being trusted to deliver. What you will be doing Building customer-facing products from scratch using React, TypeScript, and modern frontend tooling Owning frontend quality, user experience, and engineering standards Contributing across the stack, including backend integrations, APIs, product logic, and Python-based services Working with SQL, Databricks, and related data systems Turning complex operational and commercial workflows into clear product experiences Collaborating closely with product, engineering, data, and leadership Helping shape technical standards and architecture as the team grows What they are looking for Strong React and TypeScript experience A frontend-strong engineer who can build products from scratch Solid backend exposure, ideally with Python Experience with databases and data platforms such as SQL and Databricks Experience building customer-facing software in a commercial environment Strong product instincts and a practical, hands-on approach Comfortable with ownership, pace, and autonomy Nice to have Energy, trading, or fintech experience Startup or scale-up background Data visualisation experience Interest in AI tools and modern engineering practices Why join High ownership from day one The chance to build frontend products from scratch Real influence over product and technical direction Broad exposure across frontend, backend, data, and product Strong long-term growth potential as the business scales Summary This is a strong opportunity for a Senior Product Engineer, Full Stack who wants to build meaningful products in the energy market, with real autonomy and scope to grow. If you are strong in React and TypeScript, but also comfortable across backend systems, Python, APIs, and data platforms, this role offers the chance to make a genuine impact in a growing business.