Adecco
City, London
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.
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.
Capi Money
At Capi, we help businesses in emerging markets pay their international suppliers - simply, quickly, and fairly. Backed by $18M+ from top-tier investors like Creandum, Y Combinator, General Catalyst, and angels from Revolut, Checkout, Stripe, and Remitly, we're building the financial infrastructure that emerging markets deserve. Founded by Mitch Riley, Scott Liddle, and Tom Watson - ex-Taptap Send leaders with deep experience across growth, finance, and emerging markets - Capi is on a mission to boost GDP in developing economies. By making global trade smoother and more accessible, we help local businesses grow faster, hire more people, and power prosperity across their communities. Our mission is to grow GDP in emerging markets by making the global financial system fairer and more accessible. We're tackling global trade, making it easier for importers to pay their international suppliers. Our platform enables businesses to expand rapidly, create jobs, and be engines of prosperity for their countries. Our team is made up of approx 60 people across 12 countries; we are a group of a highly-ambitious, get-it-done people, who like to work hard on something that has a tangible impact in the world. And we're looking for more people to join our team! Take a look through Capi's mission & values. Role Overview You'll join a small, high-performing team of engineers and product leaders shaping how we scale our platform and our impact. From your first day, you will have the opportunity to work closely with the founding team based across London & Paris to shape the product vision and all parts of our technical architecture. As we scale our products and deepen our presence across emerging markets, this is a role that builds technology to solve customer problems. To do that, you must have empathy and curiosity to get to the root cause of the issue and the creativity to build a solution that balances impact, effort, and delight. Key Responsibilities Delivery Contribute to the product process from end-to-end, from ideation to building the UI, backend logic, deployment, feedback and measurement Communicate internally and externally about new features, be it collecting feedback pre-implementation or explaining them on launch Define and manage delivery milestones, ensuring alignment between engineering and product priorities Technical Build intuitive and performant web interfaces for business owners in Africa Implement IT security and data protection best practices in a regulated environment Proactively drive architectural decisions e.g., improving scalability, observability, and modularity of the codebase Champion code quality through robust testing, documentation, and reviews Operational Observe opportunities for improvements internally to help automate our non-tech processes and add to our tech best practices to improve our output and efficiency. Including handling production incidents with confidence Leadership Mentor junior engineers and contribute to their professional growth through pairing, reviews, and feedback Represent engineering in cross-functional discussions (including Finance, Operations, Senior Leadership) to help translate business goals into technical plans Set and uphold team standards for communication, collaboration, and technical excellence Culture Communicate internally and externally about new features, be it collecting feedback pre-implementation or explaining them on launch Requirements Our tech stack: Typescript, React, NextJS, NodeJS, Express, PostgreSQL A product mindset is core to how we build - everyone at Capi is encouraged to think about the customer, the business, and the long-term impact of what we ship. A strong understanding of web development, frontend and backend best practices. While mainly working with JavaScript technologies Experience in a VC-backed or high-growth engineering team and building products used by customers. You are comfortable working in an early-stage startup environment with high pace, rapid growth, involvement in the entire product development process, and a high degree of ambiguity Excellent written and verbal communication skills for expressing ideas, designs, and potential solutions with both technical and non-technical team members and customers You care about our mission and solving the problems faced by African businesses Based in London or Paris Bonus points if you: Speak and write in French & English Experience in Fintech, payments, wallets or building ledgers Expertise in security and data protection best practices needed in a FCA regulated business Some projects the team has been working on: Automated payouts and AI invoice approval Onboarding + payment automation with Swift network and banking partners across the world WhatsApp bot that creates quotes for customers based on their responses Self-serve onboarding flow that collects company information and KYC documents from customers Asynchronous workers that OCR invoices Internal tooling to manage and process millions of dollars of transactions What to expect when interviewing with Capi? Our interview process includes: Screen interview with our Tech Recruiter Gracie (30 mins) - Learn about the Capi story and mission. Whilst ensuring we are aligned as an exciting opportunity for what you're looking for Technical challenge with one of our Principal Engineers (1 hr) - Demonstrate your abilities in a whiteboard-style interview with one of our senior team members. We like to keep this as natural as possible, as if you were joining us tomorrow. This interview is to assess your skills, interests, and potential to see the impact you could make. While also ensuring Capi can support your growth Deep dive (1 hr) - Meet the hiring manager and explore your relevant experience and our upcoming projects Founder chat (30 mins) - Meet the founders to learn about Capi's growth plans, mission, and revenue targets. This is also your opportunity to ask any final questions to make sure our journey is right for you. References Offer! Additional Information This is a full-time position with competitive salary, share options, and benefits Ideal Start date: March 2026 (we are aware that a notice period may need to be fulfilled and can adjust accordingly) Take a look at what it is like to work at Capi Money across all of our international offices. Capi is an equal opportunity employer and welcomes candidates from diverse backgrounds. We're all about building a diverse, inclusive team at Capi. Whoever you are, we'd love to hear from you. If there's anything you need to make the interview process easier-whether it's accessibility support, a different format, or just a heads-up about what to expect-just let us know, we're happy to help.
At Capi, we help businesses in emerging markets pay their international suppliers - simply, quickly, and fairly. Backed by $18M+ from top-tier investors like Creandum, Y Combinator, General Catalyst, and angels from Revolut, Checkout, Stripe, and Remitly, we're building the financial infrastructure that emerging markets deserve. Founded by Mitch Riley, Scott Liddle, and Tom Watson - ex-Taptap Send leaders with deep experience across growth, finance, and emerging markets - Capi is on a mission to boost GDP in developing economies. By making global trade smoother and more accessible, we help local businesses grow faster, hire more people, and power prosperity across their communities. Our mission is to grow GDP in emerging markets by making the global financial system fairer and more accessible. We're tackling global trade, making it easier for importers to pay their international suppliers. Our platform enables businesses to expand rapidly, create jobs, and be engines of prosperity for their countries. Our team is made up of approx 60 people across 12 countries; we are a group of a highly-ambitious, get-it-done people, who like to work hard on something that has a tangible impact in the world. And we're looking for more people to join our team! Take a look through Capi's mission & values. Role Overview You'll join a small, high-performing team of engineers and product leaders shaping how we scale our platform and our impact. From your first day, you will have the opportunity to work closely with the founding team based across London & Paris to shape the product vision and all parts of our technical architecture. As we scale our products and deepen our presence across emerging markets, this is a role that builds technology to solve customer problems. To do that, you must have empathy and curiosity to get to the root cause of the issue and the creativity to build a solution that balances impact, effort, and delight. Key Responsibilities Delivery Contribute to the product process from end-to-end, from ideation to building the UI, backend logic, deployment, feedback and measurement Communicate internally and externally about new features, be it collecting feedback pre-implementation or explaining them on launch Define and manage delivery milestones, ensuring alignment between engineering and product priorities Technical Build intuitive and performant web interfaces for business owners in Africa Implement IT security and data protection best practices in a regulated environment Proactively drive architectural decisions e.g., improving scalability, observability, and modularity of the codebase Champion code quality through robust testing, documentation, and reviews Operational Observe opportunities for improvements internally to help automate our non-tech processes and add to our tech best practices to improve our output and efficiency. Including handling production incidents with confidence Leadership Mentor junior engineers and contribute to their professional growth through pairing, reviews, and feedback Represent engineering in cross-functional discussions (including Finance, Operations, Senior Leadership) to help translate business goals into technical plans Set and uphold team standards for communication, collaboration, and technical excellence Culture Communicate internally and externally about new features, be it collecting feedback pre-implementation or explaining them on launch Requirements Our tech stack: Typescript, React, NextJS, NodeJS, Express, PostgreSQL A product mindset is core to how we build - everyone at Capi is encouraged to think about the customer, the business, and the long-term impact of what we ship. A strong understanding of web development, frontend and backend best practices. While mainly working with JavaScript technologies Experience in a VC-backed or high-growth engineering team and building products used by customers. You are comfortable working in an early-stage startup environment with high pace, rapid growth, involvement in the entire product development process, and a high degree of ambiguity Excellent written and verbal communication skills for expressing ideas, designs, and potential solutions with both technical and non-technical team members and customers You care about our mission and solving the problems faced by African businesses Based in London or Paris Bonus points if you: Speak and write in French & English Experience in Fintech, payments, wallets or building ledgers Expertise in security and data protection best practices needed in a FCA regulated business Some projects the team has been working on: Automated payouts and AI invoice approval Onboarding + payment automation with Swift network and banking partners across the world WhatsApp bot that creates quotes for customers based on their responses Self-serve onboarding flow that collects company information and KYC documents from customers Asynchronous workers that OCR invoices Internal tooling to manage and process millions of dollars of transactions What to expect when interviewing with Capi? Our interview process includes: Screen interview with our Tech Recruiter Gracie (30 mins) - Learn about the Capi story and mission. Whilst ensuring we are aligned as an exciting opportunity for what you're looking for Technical challenge with one of our Principal Engineers (1 hr) - Demonstrate your abilities in a whiteboard-style interview with one of our senior team members. We like to keep this as natural as possible, as if you were joining us tomorrow. This interview is to assess your skills, interests, and potential to see the impact you could make. While also ensuring Capi can support your growth Deep dive (1 hr) - Meet the hiring manager and explore your relevant experience and our upcoming projects Founder chat (30 mins) - Meet the founders to learn about Capi's growth plans, mission, and revenue targets. This is also your opportunity to ask any final questions to make sure our journey is right for you. References Offer! Additional Information This is a full-time position with competitive salary, share options, and benefits Ideal Start date: March 2026 (we are aware that a notice period may need to be fulfilled and can adjust accordingly) Take a look at what it is like to work at Capi Money across all of our international offices. Capi is an equal opportunity employer and welcomes candidates from diverse backgrounds. We're all about building a diverse, inclusive team at Capi. Whoever you are, we'd love to hear from you. If there's anything you need to make the interview process easier-whether it's accessibility support, a different format, or just a heads-up about what to expect-just let us know, we're happy to help.
Olo
City, Belfast
Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable hospitality at scale, helping brands to do more with less, and making every guest feel like a regular. While our roots are in NYC, we're intentionally investing in Belfast and Northern Ireland as a key hub, with an established leadership presence, a local team, and community for the long term. This role is fully remote, offering you flexibility to work from anywhere within NI. Your new role We are looking for a talented Fullstack Software Engineer to join our Payments Web Team and help drive innovation in our payment solutions. We are looking for an engineer who is passionate about creating seamless, user-friendly interfaces and front-end capabilities that empower restaurants to manage their payment operations efficiently. This is a Fullstack position so you'll work end-to-end across the full stack, but leaning slightly more towards Front End capabilities. Reporting to the Team Lead, you will play a crucial role in developing and enhancing our payment product, Olo Pay. You'll be responsible for building new features, improving existing functionalities, and ensuring our codebase is scalable, maintainable, and performant. This position offers an exciting opportunity to work on cutting-edge payment technologies and make a significant impact on the restaurant industry. How You'll Make an Impact Set and maintain the teams technical standards Scope and estimate new projects Guide technical architecture decisions with team members Contribute to front-end (JavaScript/TypeScript, React) development. Contribute to some back-end development (C#/.Net) building APIs for the front end Participate in code reviews for quality assurance and performance. Work collaboratively with the team lead to develop tech initiatives Be a technical mentor to junior developers Collaborate with stakeholders, ensuring timely project delivery and adherence to scope. Demonstrate a proactive approach by asking questions to thoroughly understand client requirements. Troubleshoot and resolve software issues reported by clients or internal teams. Engage with cross-functional teams to deliver scalable solutions. What Will Set You Up for Success Deep knowledge of JavaScript, TypeScript, React, and moderate experience building APIs for the Front End with .Net/C# Experience working with front-end state management Experience building and maintaining client-facing APIs & SDKs Experience writing testing suites for their code - unit/component/integration/e2e Experience building and/or working with component libraries/design systems is a plus Experience being a lead developer on key projects/features and working with UX teams. About Olo Olo is a leading restaurant technology provider with ordering, payment, and guest engagement solutions that help brands increase orders, streamline operations, and improve the guest experience. Each day, Olo processes millions of orders on its open SaaS platform, gathering the right data from each touchpoint into a single source-so restaurants can better understand and better serve every guest on every channel, every time. Over 800 restaurant brands trust Olo and its network of more than 400 integration partners to innovate on behalf of the restaurant community, accelerating technology's positive impact and creating a world where every restaurant guest feels like a regular. Learn more at Applicant Privacy Notice (United Kingdom)
Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable hospitality at scale, helping brands to do more with less, and making every guest feel like a regular. While our roots are in NYC, we're intentionally investing in Belfast and Northern Ireland as a key hub, with an established leadership presence, a local team, and community for the long term. This role is fully remote, offering you flexibility to work from anywhere within NI. Your new role We are looking for a talented Fullstack Software Engineer to join our Payments Web Team and help drive innovation in our payment solutions. We are looking for an engineer who is passionate about creating seamless, user-friendly interfaces and front-end capabilities that empower restaurants to manage their payment operations efficiently. This is a Fullstack position so you'll work end-to-end across the full stack, but leaning slightly more towards Front End capabilities. Reporting to the Team Lead, you will play a crucial role in developing and enhancing our payment product, Olo Pay. You'll be responsible for building new features, improving existing functionalities, and ensuring our codebase is scalable, maintainable, and performant. This position offers an exciting opportunity to work on cutting-edge payment technologies and make a significant impact on the restaurant industry. How You'll Make an Impact Set and maintain the teams technical standards Scope and estimate new projects Guide technical architecture decisions with team members Contribute to front-end (JavaScript/TypeScript, React) development. Contribute to some back-end development (C#/.Net) building APIs for the front end Participate in code reviews for quality assurance and performance. Work collaboratively with the team lead to develop tech initiatives Be a technical mentor to junior developers Collaborate with stakeholders, ensuring timely project delivery and adherence to scope. Demonstrate a proactive approach by asking questions to thoroughly understand client requirements. Troubleshoot and resolve software issues reported by clients or internal teams. Engage with cross-functional teams to deliver scalable solutions. What Will Set You Up for Success Deep knowledge of JavaScript, TypeScript, React, and moderate experience building APIs for the Front End with .Net/C# Experience working with front-end state management Experience building and maintaining client-facing APIs & SDKs Experience writing testing suites for their code - unit/component/integration/e2e Experience building and/or working with component libraries/design systems is a plus Experience being a lead developer on key projects/features and working with UX teams. About Olo Olo is a leading restaurant technology provider with ordering, payment, and guest engagement solutions that help brands increase orders, streamline operations, and improve the guest experience. Each day, Olo processes millions of orders on its open SaaS platform, gathering the right data from each touchpoint into a single source-so restaurants can better understand and better serve every guest on every channel, every time. Over 800 restaurant brands trust Olo and its network of more than 400 integration partners to innovate on behalf of the restaurant community, accelerating technology's positive impact and creating a world where every restaurant guest feels like a regular. Learn more at Applicant Privacy Notice (United Kingdom)
