City of London, London, United Kingdom Hybrid / WFH Options
X4 Technology
Job Title: Full-Stack Node.js/ReactDeveloper 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/ReactDeveloper … 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/ReactDeveloper – 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/ReactDeveloperMore ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
X4 Technology
Job Title: Full-Stack Node.js/ReactDeveloper 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/ReactDeveloper … 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/ReactDeveloper – 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/ReactDeveloperMore ❯
london (city of london), south east england, united kingdom
Evermore
React Native Developer – Secure Tech: Details: Type: Contract. Hybrid: London. Market rate: Daily (Outside IR35) Start date: ASAP Company and role: Our client is seeking a React Native Developer to help shape the future of secure communication. You’ll be joining a lean, highly technical team focused on building the next-gen … in the "Secure Tech" focused industry — with real impact and purpose. Key responsibilities: React Native Developer – Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing, and CI/… CD pipelines. What we're looking for: React Native Developer (Expo) – Secure Tech Ideally 4+ years’ experience with React Native (Expo SDK nice to have). Any experience of native module development in Kotlin/Swift would be great. Exposure to cryptographic principles or an interest in Encryption desirable. MIME standards, and OAuth2 nice to More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
Job Title : Senior ReactDeveloper Client : Elite FinTech Firm Salary : Up to 180k Base + Exceptional Bonus Location : London (Hybrid Working) Sells : Cutting-edge tech, a collaborative and flat-structured environment, beautiful office spaces My client is looking for talented React Developers to join their high-performance team! You will be pivotal in building slick … clean, efficient, and reusable code that is scalable, robust and maintainable. Successful Candidates: Bachelor's or Master's Degree in Computer Science or related field Strong experience as a ReactDeveloper Experience in commodities trading is a bonus Strong written and verbal communication skills, enabling effective collaboration and information sharing in a fast-paced environment. Demonstrated More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hunter Bond
Job Title : Senior ReactDeveloper Client : Elite FinTech Firm Salary : Up to 180k Base + Exceptional Bonus Location : London (Hybrid Working) Sells : Cutting-edge tech, a collaborative and flat-structured environment, beautiful office spaces My client is looking for talented React Developers to join their high-performance team! You will be pivotal in building slick … clean, efficient, and reusable code that is scalable, robust and maintainable. Successful Candidates: Bachelor's or Master's Degree in Computer Science or related field Strong experience as a ReactDeveloper Experience in commodities trading is a bonus Strong written and verbal communication skills, enabling effective collaboration and information sharing in a fast-paced environment. Demonstrated More ❯
React Native Developer – Secure Tech: Details: Type: Permanent. Hybrid: London. Salary: Highly competitive (depending on skills & exp). Start date: ASAP Company and role: Our client is seeking a React Native Developer to help shape the future of secure communication. You’ll be joining a lean, highly technical team focused on building … the next-gen in the "Secure Tech" focused industry — with real impact and purpose. Key responsibilities: React Native Developer – Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing … and CI/CD pipelines. What we're looking for: React Native Developer (Expo) – Secure Tech Ideally 4+ years’ experience with React Native (Expo SDK nice to have). Any experience of native module development in Kotlin/Swift would be great. Exposure to cryptographic principles or an interest in Encryption desirable. MIME standards, and More ❯
React Native Developer Are you passionate about building sleek, high-performing mobile applications that make a real impact? We’re looking for a React Native Developer to join a fast-growing AI startup. The Role As a key member of the engineering team, you’ll design, build, and scale mobile applications that … retail and public spaces. You’ll collaborate with AI, product, and infrastructure teams to deliver features that are fast, reliable, and intuitive. You will: Build and maintain high-quality React Native applications for iOS and Android. Collaborate closely with product, design, and backend teams to deliver seamless, visually polished experiences. Integrate and extend React Native functionality with native … who thrives in fast-moving environments and loves shipping polished, production-ready apps. You’ll be a great fit if you have: Proven experience building and launching React Native applications. Strong expertise in either iOS or Android development (ideally iOS). Solid understanding of native development concepts and experience bridging with Swift or Kotlin. Experience managing production More ❯
london (city of london), south east england, united kingdom
Matchtech
React Native Developer Are you passionate about building sleek, high-performing mobile applications that make a real impact? We’re looking for a React Native Developer to join a fast-growing AI startup. The Role As a key member of the engineering team, you’ll design, build, and scale mobile applications that … retail and public spaces. You’ll collaborate with AI, product, and infrastructure teams to deliver features that are fast, reliable, and intuitive. You will: Build and maintain high-quality React Native applications for iOS and Android. Collaborate closely with product, design, and backend teams to deliver seamless, visually polished experiences. Integrate and extend React Native functionality with native … who thrives in fast-moving environments and loves shipping polished, production-ready apps. You’ll be a great fit if you have: Proven experience building and launching React Native applications. Strong expertise in either iOS or Android development (ideally iOS). Solid understanding of native development concepts and experience bridging with Swift or Kotlin. Experience managing production More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Caspian One
Job Title: ReactDeveloper (VP & AVP) Location: London (Hybrid – 2 days in-office) Salary: AVP < £120k | VP £120k+ Team: Brand new FX Data & Analytics team About the Role: Join a newly formed team building business-critical dashboards for trading and sales desks. You’ll work closely with the business, delivering interactive analytics tools that provide real … time insights into day-to-day operations, P&L, and more. The tech stack is React-based UI, with Java/Python on the backend and a data layer. The environment is greenfield, with significant ownership and the chance to shape frameworks from the ground up. Key Responsibilities: Develop and enhance interactive dashboards for trading and analytics Collaborate directly … with trading desks and stakeholders Build and maintain React-based UIs, leveraging WebSockets for real-time data Contribute to framework design and implementation (VP) Provide technical leadership and deeper FX/e-trading expertise Must-Have Skills: Strong React development experience (WebSockets a plus) (VP) E-Trading and FX experience required; (AVP) FX knowledge beneficial but not essential More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Caspian One
Job Title: ReactDeveloper (VP & AVP) Location: London (Hybrid – 2 days in-office) Salary: AVP < £120k | VP £120k+ Team: Brand new FX Data & Analytics team About the Role: Join a newly formed team building business-critical dashboards for trading and sales desks. You’ll work closely with the business, delivering interactive analytics tools that provide real … time insights into day-to-day operations, P&L, and more. The tech stack is React-based UI, with Java/Python on the backend and a data layer. The environment is greenfield, with significant ownership and the chance to shape frameworks from the ground up. Key Responsibilities: Develop and enhance interactive dashboards for trading and analytics Collaborate directly … with trading desks and stakeholders Build and maintain React-based UIs, leveraging WebSockets for real-time data Contribute to framework design and implementation (VP) Provide technical leadership and deeper FX/e-trading expertise Must-Have Skills: Strong React development experience (WebSockets a plus) (VP) E-Trading and FX experience required; (AVP) FX knowledge beneficial but not essential More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Robert Half
Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or scale-up More ❯
ReactDeveloper – Fixed Income eTrading We are seeking experienced React Developers to join the Fixed Income eTrading technology team at a global investment bank. This position is part of a high-profile, multi-year transformation initiative aimed at modernising and scaling a next-generation electronic trading platform. The role is to help build cutting edge More ❯
london (city of london), south east england, united kingdom
Vertus Partners
ReactDeveloper – Fixed Income eTrading We are seeking experienced React Developers to join the Fixed Income eTrading technology team at a global investment bank. This position is part of a high-profile, multi-year transformation initiative aimed at modernising and scaling a next-generation electronic trading platform. The role is to help build cutting edge More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Mid Level React Native Developer Central London – Hybrid (3 days in office) £65,000 – £70,000 Im looking for a React Native Developer who is passionate about taking ownership and running with projects in a nimble, collaborative team. In this role, you’ll have the opportunity to explore creative ideas and contribute … latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and an understanding of cross More ❯
london (city of london), south east england, united kingdom
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Mid Level React Native Developer Central London – Hybrid (3 days in office) £65,000 – £70,000 Im looking for a React Native Developer who is passionate about taking ownership and running with projects in a nimble, collaborative team. In this role, you’ll have the opportunity to explore creative ideas and contribute … latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and an understanding of cross More ❯
us achieve our aim. About the role We are developing an AI portfolio management app and are looking for a Frontend Mobile App Developer specialising in React Native. You will play a crucial role in building and maintaining our mobile application, working closely with our UI/UX Designer, Product Manager, and backend team. This role … has the skills and experience required and can fit this around other potential freelance contracts they might have. Responsibilities Lead the development of a cross-platform mobile application using React Native. Translate UI/UX designs into functional, high-performance mobile applications. Integrate with backend APIs and manage application state. Ensure timely delivery of a high-quality product. Provide … technical leadership as needed. Required Skills and Experience 5+ years of professional mobile development experience. Expert-level proficiency in React Native. Proven track record of taking mobile products to launch. Strong understanding of mobile UI/UX principles. Ability to work independently and deliver within tight deadlines. Excellent communication and collaboration skills. Key Requirements FinTech background (preferred). Senior More ❯
london (city of london), south east england, united kingdom
AGITProp
us achieve our aim. About the role We are developing an AI portfolio management app and are looking for a Frontend Mobile App Developer specialising in React Native. You will play a crucial role in building and maintaining our mobile application, working closely with our UI/UX Designer, Product Manager, and backend team. This role … has the skills and experience required and can fit this around other potential freelance contracts they might have. Responsibilities Lead the development of a cross-platform mobile application using React Native. Translate UI/UX designs into functional, high-performance mobile applications. Integrate with backend APIs and manage application state. Ensure timely delivery of a high-quality product. Provide … technical leadership as needed. Required Skills and Experience 5+ years of professional mobile development experience. Expert-level proficiency in React Native. Proven track record of taking mobile products to launch. Strong understanding of mobile UI/UX principles. Ability to work independently and deliver within tight deadlines. Excellent communication and collaboration skills. Key Requirements FinTech background (preferred). Senior More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hunter Bond
Job Title: Full Stack Developer Client: Leading FinTech Firm Compensation: Up to £180k + Bonus Location: London (Hybrid) Perks: Modern tech stack, flat team structure, collaborative culture, beautiful workspace We're working with a top-tier FinTech client who is looking for outstanding Full Stack Developers to join their high-performing team. You'll be building complex … scalability What We're Looking For: A degree in Computer Science or a related field Solid experience working as a Full Stack Developer Strong proficiency in React and Python Experience in the finance sector is a plus Excellent written and verbal communication skills A proactive approach to learning and a willingness to adopt new technologies Interested More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hunter Bond
Job Title: Full Stack Developer Client: Leading FinTech Firm Compensation: Up to £180k + Bonus Location: London (Hybrid) Perks: Modern tech stack, flat team structure, collaborative culture, beautiful workspace We're working with a top-tier FinTech client who is looking for outstanding Full Stack Developers to join their high-performing team. You'll be building complex … scalability What We're Looking For: A degree in Computer Science or a related field Solid experience working as a Full Stack Developer Strong proficiency in React and Python Experience in the finance sector is a plus Excellent written and verbal communication skills A proactive approach to learning and a willingness to adopt new technologies Interested More ❯
Senior Software Engineer to help lead the technical evolution of this critical platform. The Opportunity You’ll join a growing team building scalable, secure systems using React , Python , and AWS , helping to drive our mission to cut the impact of flooding in half.This is more than just building products — it’s about delivering real-world impact through technology. What … developers, promote best practices, and improve engineering workflows Shape technical strategy and contribute to long-term system improvements Drive code quality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda, ECS, RDS, S3, API Gateway, etc.) DevOps : Docker, CI/CD pipelines More ❯
React Native Engineer with experience with either Android or iOS - £110k + Bonus - Full Remote In this role as Lead Mobile Developer, you will act as the key technical partner to the Mobile Team Lead, focusing on integrating React Native applications and unifying mobile experiences from various acquired entities within our luxury yachting and lifestyle … of an office environment and be used to working in a business where you'll get autonomy. Your day-to-day work will centre on hands-on development in React Native, where you will refactor and merge codebases from acquisitions, transitioning iOS components written in Objective-C or Swift and Android elements in Java or Kotlin into a cohesive More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Venchr
React Native Engineer with experience with either Android or iOS - £110k + Bonus - Full Remote In this role as Lead Mobile Developer, you will act as the key technical partner to the Mobile Team Lead, focusing on integrating React Native applications and unifying mobile experiences from various acquired entities within our luxury yachting and lifestyle … of an office environment and be used to working in a business where you'll get autonomy. Your day-to-day work will centre on hands-on development in React Native, where you will refactor and merge codebases from acquisitions, transitioning iOS components written in Objective-C or Swift and Android elements in Java or Kotlin into a cohesive More ❯
Central London / West End, London, United Kingdom Hybrid / WFH Options
Venchr
React Native Engineer with experience with either Android or iOS - £110k + Bonus - Full Remote In this role as Lead Mobile Developer, you will act as the key technical partner to the Mobile Team Lead, focusing on integrating React Native applications and unifying mobile experiences from various acquired entities within our luxury yachting and lifestyle … of an office environment and be used to working in a business where you'll get autonomy. Your day-to-day work will centre on hands-on development in React Native, where you will refactor and merge codebases from acquisitions, transitioning iOS components written in Objective-C or Swift and Android elements in Java or Kotlin into a cohesive More ❯
City of London, London, United Kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
Senior Full Stack Developer - Hybrid - £650/day Outside IR35 | React | .NET | Python | AWS | API | Asset Management | Wealth Management Looking to speak with experienced Full Stack Developers to join a client of ours within the Asset space. They're looking to build a new division within the tech team and are looking for a Senior/… Full Stack Developer. Details 3 days onsite in London Up to £650/day Outside IR35 Initial 6-month contract Key Skills Strong experience in full-stack development, with React, and .NET or Python Hands-on experience with AWS Strong API development and integration experience Experience with event-driven architecture Senior Full Stack Developer - Hybrid …/day Outside IR35 | React | .NET | Python | AWS | API | Asset Management | Wealth Management More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
Senior Full Stack Developer - Hybrid - £650/day Outside IR35 | React | .NET | Python | AWS | API | Asset Management | Wealth Management Looking to speak with experienced Full Stack Developers to join a client of ours within the Asset space. They're looking to build a new division within the tech team and are looking for a Senior/… Full Stack Developer. Details 3 days onsite in London Up to £650/day Outside IR35 Initial 6-month contract Key Skills Strong experience in full-stack development, with React, and .NET or Python Hands-on experience with AWS Strong API development and integration experience Experience with event-driven architecture Senior Full Stack Developer - Hybrid …/day Outside IR35 | React | .NET | Python | AWS | API | Asset Management | Wealth Management More ❯