of 8-10 remote engineers and data scientists, distributed across multiple countries in Europe, with a significant presence in Poland and Ukraine. Our tech stack includes Python with a React frontend, deployed on AWS in Kubernetes clusters, using GCP for Gemini and LangGraph for agent orchestration. While you'll have the resources of a large organisation, this team operates with … confidence Minimal Requirements: Proven experience as a senior technical leader in an Agile/Scrum environment Strong knowledge of Python and microservice architectures Experience building web applications, preferably including React Familiar with software development methodologies, scaled system design, and best practices Knowledge of AWS and cloud-native architectures; familiarity with LangGraph a plus Strong communication skills, able to explain technical More ❯
to solve new problems regularly. This is a hands-on engineering role where you will contribute to technical design, architecture, and planning. The ideal candidate has experience working with React, Node.js, TypeScript and React Native. This opportunity will also offer the chance to move into a technical lead position in the near future. Requirements: Ideally 5+ years commercial software engineering … experience Experience with JavaScript/TypeScript, React, Node.js, Next.js. Strong experience with modern web frameworks (e.g. React, Next.js) Solid grasp of cloud infrastructure React Native experience would be a huge bonus If you’re a Senior Fullstack TypeScript Engineer looking for an exciting challenge and are within a commutable distance from Birmingham, please apply. More ❯
City of London, London, United Kingdom Hybrid / WFH Options
X4 Technology
Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … across the UK, EU, and US, serving both direct customers and strategic partners. You’ll be one of the founding members driving their migration to a modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities Build the … new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web development Strong More ❯
Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … across the UK, EU, and US, serving both direct customers and strategic partners. You’ll be one of the founding members driving their migration to a modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities Build the … new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web development Strong More ❯
london, south east england, united kingdom Hybrid / WFH Options
X4 Technology
Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … across the UK, EU, and US, serving both direct customers and strategic partners. You’ll be one of the founding members driving their migration to a modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities Build the … new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web development Strong More ❯
slough, south east england, united kingdom Hybrid / WFH Options
X4 Technology
Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … across the UK, EU, and US, serving both direct customers and strategic partners. You’ll be one of the founding members driving their migration to a modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities Build the … new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web development Strong More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
X4 Technology
Job Title: Full-Stack Node.js/React Developer Location: Hybrid in London (2-3 days) Employment Type: Permanent Salary: Up to £80,000 + package Start Date: Immediate Industry: Payments A regulated FinTech (UK & EU EMI-licenced) backed by Banking Circle’s payment rails are looking for a seasoned Node.js/React Developer to join their team on a full … across the UK, EU, and US, serving both direct customers and strategic partners. You’ll be one of the founding members driving their migration to a modern Node.js/React/API-first stack, rebuilding client-facing applications from the ground up and shaping the future of financial product delivery. Full-Stack Node.js/React Developer – Key Responsibilities Build the … new Node.js/React client stack (Next.js experience a plus) Integrate with existing Ruby services, adding APIs or middleware as needed Drive secure, multi-tenant authorization/authentication (OIDC/OAuth) Contribute to frontend design and user experience, especially in financial UI Full-Stack Node.js/React Developer – Key Skills Required 3–5 years of full stack web development Strong More ❯
London, England, United Kingdom Hybrid / WFH Options
B4B Payments - A Banking Circle Group Company
Full Stack Node.js/React Developer - FinTech Innovation Team 📍 London (Victoria) - Hybrid | UK Remote considered 🏦 Join a regulated FinTech transforming global payments 🚀 Shape the Future of Financial Services Join our new strategic team at a cutting-edge FinTech backed by Banking Circle's international payment rails. We're transforming how businesses access account-to-account payments, card issuing, and financial … services across UK, EU, and US markets. You'll rebuild critical client-facing applications from the ground up, pioneering our move to Node.js/React and API-first architecture. 🏦 About Us Regulated EMI in UK & EU, with US sponsor bank partnerships Visa & Mastercard member - card issuer Global reach with homogeneous services across three major markets Dual client base serving both … robust middleware solutions connecting frontend experiences to financial services Implement secure OIDC/OAuth flows for multi-tenant financial applications Strategic Impact Lead migration from legacy technologies to modern React/Node.js ecosystem Establish development patterns for our expanding Node.js capabilities Showcase innovations to stakeholders in bi-monthly London sessions 🧠 The Developer We're Seeking Financial Services Mindset Curious nature More ❯
london, south east england, united kingdom Hybrid / WFH Options
B4B Payments - A Banking Circle Group Company
Full Stack Node.js/React Developer - FinTech Innovation Team London (Victoria) - Hybrid | UK Remote considered Join a regulated FinTech transforming global payments Shape the Future of Financial Services Join our new strategic team at a cutting-edge FinTech backed by Banking Circle's international payment rails. We're transforming how businesses access account-to-account payments, card issuing, and financial … services across UK, EU, and US markets. You'll rebuild critical client-facing applications from the ground up, pioneering our move to Node.js/React and API-first architecture. About Us Regulated EMI in UK & EU, with US sponsor bank partnerships Visa & Mastercard member - card issuer Global reach with homogeneous services across three major markets Dual client base serving both … robust middleware solutions connecting frontend experiences to financial services Implement secure OIDC/OAuth flows for multi-tenant financial applications Strategic Impact Lead migration from legacy technologies to modern React/Node.js ecosystem Establish development patterns for our expanding Node.js capabilities Showcase innovations to stakeholders in bi-monthly London sessions The Developer We're Seeking Financial Services Mindset Curious nature More ❯
slough, south east england, united kingdom Hybrid / WFH Options
B4B Payments - A Banking Circle Group Company
Full Stack Node.js/React Developer - FinTech Innovation Team 📍 London (Victoria) - Hybrid | UK Remote considered 🏦 Join a regulated FinTech transforming global payments 🚀 Shape the Future of Financial Services Join our new strategic team at a cutting-edge FinTech backed by Banking Circle's international payment rails. We're transforming how businesses access account-to-account payments, card issuing, and financial … services across UK, EU, and US markets. You'll rebuild critical client-facing applications from the ground up, pioneering our move to Node.js/React and API-first architecture. 🏦 About Us Regulated EMI in UK & EU, with US sponsor bank partnerships Visa & Mastercard member - card issuer Global reach with homogeneous services across three major markets Dual client base serving both … robust middleware solutions connecting frontend experiences to financial services Implement secure OIDC/OAuth flows for multi-tenant financial applications Strategic Impact Lead migration from legacy technologies to modern React/Node.js ecosystem Establish development patterns for our expanding Node.js capabilities Showcase innovations to stakeholders in bi-monthly London sessions 🧠 The Developer We're Seeking Financial Services Mindset Curious nature More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Avanti
Full Stack Developer (React/Next.js/AWS) Location: Remote (UK-based preferred) Salary: £45,000 – £50,000 per annum (DOE) Contract: Full-time, Permanent About the Company We’re working with a fast-growing sports technology company that’s transforming the way professional teams and broadcasters use live performance data. Their advanced analytics platform blends machine learning, simulation, and … edge software development to deliver high-quality, scalable products used by leading sports organisations. The Role We’re looking for a proactive Full Stack Developer with strong skills in React, Next.js, and AWS to maintain and enhance a suite of live sports data and analytics applications. This is a hands-on position offering end-to-end ownership of features across … pipelines. You’ll work with real-time APIs, WebSocket feeds, and cloud infrastructure to deliver high-performance applications used by major sports clients. Key Responsibilities Develop and extend multiple React/Next.js web applications Implement new UI components with Tailwind CSS and modern JavaScript Integrate REST APIs and real-time data feeds Debug, refactor, and optimise across frontend and backend More ❯
# Mid-Level Full-Stack Engineer (React + Go)Remote - EMEA/EngineeringThe Tyk API Management platform is helping to drive the connected world and power new products and services. We're changing the way that organisations connect any number of their systems and services.Whether internal, external, public or highly encrypted systems, Tyk helps businesses drive value across the retail … If this sounds like an environment that you believe could work for you then read on to find out more. The role: As a Mid-Level Full-Stack Engineer (React + Go) at Tyk, you'll be responsible for designing and building compelling solutions for our Dashboard and API Gateway products. You'll implement performant, accessible React frontends and reliable … principles, ensuring no security test defects or production leakage Contribute to the direction of dashboard UI development and API functionality Build and extend product capabilities across the stack, including React frontends and Go-based APIs (traffic routing, security, authentication, and authorization where relevant) Engineering Excellence Write high-quality code that satisfies user stories across React and Go services Implement best More ❯
East London, London, England, United Kingdom Hybrid / WFH Options
Avanti
platform that powers thousands of online stores. This is a hands-on role with a strong focus on backend development in .NET 8 , alongside supporting UI development built in React . The Role Deliver new backend functionality in modern .NET (C#/.NET 8) Help integrate and validate React UIs Contribute to ongoing rebuild and refactor of legacy systems Work … integrations Collaborate closely with a small, experienced team in a flat structure Remote-first – work from anywhere in the UK Tech Stack Backend: .NET 8, C#, Azure, PostgreSQL Frontend: React, Vue (legacy), Loveable (low-code React generator) Tools: GitHub Actions, Azure Service Fabric, Supabase Integrations: Shopify, other e-commerce APIs You’ll Need Strong experience with modern .NET … or 8) Solid understanding of APIs and backend systems Comfortable reviewing and working with React (even if not the main focus) Excellent communication and collaboration skills Self-starter mentality – able to deliver independently Nice to Have: Azure experience (Service Fabric is a bonus) CI/CD with GitHub Actions Shopify or e-commerce background What’s on Offer More ❯
Brighton, East Sussex, England, United Kingdom Hybrid / WFH Options
Neoci Ltd
clients. Collect and analyse feedback to drive improvements. You’ll Work With WebRTC UC clients AI speech-to-text & sentiment software SaaS platforms built on PHP (Laravel), Node.js and React/React Native Google Cloud Platform (Cloud Run, Cloud Functions, Cloud SQL etc.) GitLab CI/CD Requirements Essential: Experience in QA/test automation/technical support. Practical knowledge More ❯
Contract - Senior Frontend Engineer (React/TypeScript) – Build Beautiful Interfaces for Advanced AI Do you love crafting high-quality, intuitive user interfaces? Are you excited by the idea of working at the intersection of AI and frontend innovation? Looking for a role where you’ll own key parts of a modern product and work with the latest tech? Our client … experiences - this could be your next big move. Why This Role is Great In this role, you'll have the opportunity to: Design and build a modern SPA using React , TypeScript , and Vite , with a strong emphasis on performance, accessibility, and usability. Deliver responsive, accessible interfaces using utility-first CSS (e.g. Tailwind CSS ) and a component-led design system (e.g. … helping to level up team-wide frontend standards and best practices. About You This role would suit someone who: Has solid experience building and scaling single-page applications using React and TypeScript , ideally in production environments. Enjoys working with modern build tools and libraries such as Vite , pnpm , or similar. Has experience (or a strong interest) in real-time applications More ❯
development processes and workflows Required Qualifications, Capabilities And Skills Formal training or certification on JavaScript concepts and proficient applied experience Ability to write testable, clean JavaScript code Proficiency in React framework Familiarity with writing unit tests Understanding of REST APIs and GraphQL Ability to work in a dynamic, agile environment within a geographically distributed team Ability to focus on promptly … addressing customer needs Excellent written and verbal communication skills in English Preferred Qualifications, Capabilities And Skills Building applications using React Native in TypeScript or JavaScript Native application development across Android/iOS in Kotlin/Swift Comfortable working with projects partially or fully using TypeScript Using latest React features such as Suspense and Hooks End to end testing applications with More ❯
working closely with our team of developers, designers, and stakeholders to deliver high-quality solutions. Responsibilities: Develop and maintain our web-based and mobile private equity management platform using React, Typescript and other web technologies. Collaborate with team members to design, develop and implement new features and functionality. Write clean, maintainable, efficient and well tested code. Troubleshoot and debug application … degree in computer science. We will consider candidates with backgrounds in other areas as long as they can demonstrate a strong history of delivery in our technologies. Experience with React, TypeScript, HTML, CSS and web technologies. Commitment to maintaining high quality software through the use of automated testing tools such as Jest and Cypress/Playwright. Experience with backend TypeScript More ❯
london, south east england, united kingdom Hybrid / WFH Options
fanvue
efficiently. The Role: Were looking for a Software Engineer to own and evolve Fadmin, our internal admin tool that powers the day-to-day operations of Fanvue. Built on React, Prisma, and Material UI, Fadmin is used by teams across the company to manage everything from creators and content to payments and user support. Youll play a key role in … while ensuring clean server integration, structured database management, and long-term maintainability of the platform. What You'll Do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI. Collaborate with product and engineering teams to build intuitive and efficient internal workflows. Design and implement CRUD interfaces and custom views using React-Admin. Create and … using Prisma ORM. Style and layout components using Material UI (MUI) for consistent UI/UX. Analyze and migrate business logic and data queries from Retool to a custom React-Admin-based interface. Optimize application performance and user experience across different teams using Fadmin. Work with authentication/authorization mechanisms (e.g., role-based access). Write clean, maintainable code and More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
fanvue
efficiently. The Role: Were looking for a Software Engineer to own and evolve Fadmin, our internal admin tool that powers the day-to-day operations of Fanvue. Built on React, Prisma, and Material UI, Fadmin is used by teams across the company to manage everything from creators and content to payments and user support. Youll play a key role in … while ensuring clean server integration, structured database management, and long-term maintainability of the platform. What You'll Do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI. Collaborate with product and engineering teams to build intuitive and efficient internal workflows. Design and implement CRUD interfaces and custom views using React-Admin. Create and … using Prisma ORM. Style and layout components using Material UI (MUI) for consistent UI/UX. Analyze and migrate business logic and data queries from Retool to a custom React-Admin-based interface. Optimize application performance and user experience across different teams using Fadmin. Work with authentication/authorization mechanisms (e.g., role-based access). Write clean, maintainable code and More ❯
The Role: We're looking for a Software Engineer to own and evolve Fadmin, our internal admin tool that powers the day-to-day operations of Fanvue. Built on React, Prisma, and Material UI, Fadmin is used by teams across the company to manage everything from creators and content to payments and user support. You'll play a key role … while ensuring clean server integration, structured database management, and long-term maintainability of the platform. What You'll Do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI. Collaborate with product and engineering teams to build intuitive and efficient internal workflows. Design and implement CRUD interfaces and custom views using React-Admin. Create and … using Prisma ORM. Style and layout components using Material UI (MUI) for consistent UI/UX. Analyze and migrate business logic and data queries from Retool to a custom React-Admin-based interface. Optimize application performance and user experience across different teams using Fadmin. Work with authentication/authorization mechanisms (e.g., role-based access). Write clean, maintainable code and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
fanvue
The Role: We’re looking for a Software Engineer to own and evolve Fadmin, our internal admin tool that powers the day-to-day operations of Fanvue. Built on React, Prisma, and Material UI, Fadmin is used by teams across the company to manage everything from creators and content to payments and user support. You’ll play a key role … while ensuring clean server integration, structured database management, and long-term maintainability of the platform. 🚀What You'll Do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI. Collaborate with product and engineering teams to build intuitive and efficient internal workflows. Design and implement CRUD interfaces and custom views using React-Admin. Create and … using Prisma ORM. Style and layout components using Material UI (MUI) for consistent UI/UX. Analyze and migrate business logic and data queries from Retool to a custom React-Admin-based interface. Optimize application performance and user experience across different teams using Fadmin. Work with authentication/authorization mechanisms (e.g., role-based access). Write clean, maintainable code and More ❯
The Role: We’re looking for a Software Engineer to own and evolve Fadmin, our internal admin tool that powers the day-to-day operations of Fanvue. Built on React, Prisma, and Material UI, Fadmin is used by teams across the company to manage everything from creators and content to payments and user support. You’ll play a key role … while ensuring clean server integration, structured database management, and long-term maintainability of the platform. 🚀What You'll Do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI. Collaborate with product and engineering teams to build intuitive and efficient internal workflows. Design and implement CRUD interfaces and custom views using React-Admin. Create and … using Prisma ORM. Style and layout components using Material UI (MUI) for consistent UI/UX. Analyze and migrate business logic and data queries from Retool to a custom React-Admin-based interface. Optimize application performance and user experience across different teams using Fadmin. Work with authentication/authorization mechanisms (e.g., role-based access). Write clean, maintainable code and More ❯
top talent through employee benefits, strategic reward and recognition, well-being, and much more. Our mobile development team is expanding, and we have an exciting opportunity for a Lead React Native Engineer . We are looking for someone who is passionate about creating high-quality mobile experiences and is comfortable balancing hands-on technical delivery and leadership with mentoring a … reviews, recommending improvements, and fostering consensus through clear communication and your strong technical skills to support your recommendations. Key Responsibilities Design, develop, and maintain high-quality mobile applications using React Native Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native … high standard of code quality for mobile applications Stay informed on mobile development trends, tooling, and best practices Skills, Knowledge, and Expertise Extensive development experience building mobile applications in React Native, with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Reward Gateway
top talent through employee benefits, strategic reward and recognition, well-being, and much more. Our mobile development team is expanding, and we have an exciting opportunity for a Lead React Native Engineer . We are looking for someone who is passionate about creating high-quality mobile experiences and is comfortable balancing hands-on technical delivery and leadership with mentoring a … reviews, recommending improvements, and fostering consensus through clear communication and your strong technical skills to support your recommendations. Key Responsibilities Design, develop, and maintain high-quality mobile applications using React Native Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native … high standard of code quality for mobile applications Stay informed on mobile development trends, tooling, and best practices Skills, Knowledge, and Expertise Extensive development experience building mobile applications in React Native, with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in More ❯
london, south east england, united kingdom Hybrid / WFH Options
Reward Gateway
top talent through employee benefits, strategic reward and recognition, well-being, and much more. Our mobile development team is expanding, and we have an exciting opportunity for a Lead React Native Engineer . We are looking for someone who is passionate about creating high-quality mobile experiences and is comfortable balancing hands-on technical delivery and leadership with mentoring a … reviews, recommending improvements, and fostering consensus through clear communication and your strong technical skills to support your recommendations. Key Responsibilities Design, develop, and maintain high-quality mobile applications using React Native Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native … high standard of code quality for mobile applications Stay informed on mobile development trends, tooling, and best practices Skills, Knowledge, and Expertise Extensive development experience building mobile applications in React Native, with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in More ❯