20 of 20 React Developer Jobs in the City of London

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 – 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 ❯

Lead React Native Developer Salary: Up to £90k Location: Fully Remote working (UK/EU) Lead React Native Developer - would you like the opportunity to work for a company that specialises in digital products and experiences, combining research, analysis and insights with technology and creativity to solve business challenges? They’re currently … looking for a Lead React Native Developer to take full ownership. You will shape their greenfield app and define patterns and foundations. Key requirements: 5+ years’ experience working with React Native Ideally 2+ years working in a leadership role. Sadly this role isn’t suitable for Seniors looking to take into a Leadership role. Stream … Chat CI/CD with GitHub Actions If you’re a Lead React Native Developer who enjoys working on greenfield projects, please apply. More ❯

React Developer – 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 ❯

React Developer – 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 ❯

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 ❯

Full Stack PHP Developer (React & Typescript) – £80,000 – Hybrid Overview A global digital marketing and technology agency specialising in online gaming is seeking a Software Developer to join its high-performing development team. This role offers the opportunity to work on scalable, high-throughput systems that power real-time user experiences in the … Role and Responsibilities Work across the full stack, with an even split between frontend and backend development. Contribute to the transition from a PHP-heavy stack towards TypeScript/React-based frontend applications. Deliver scalable, performant, and reliable solutions for high-traffic platforms. Collaborate with designers, product teams, and fellow engineers to raise the standard of customer-facing experiences. … best practices. Contribute ideas for technical improvements and new greenfield builds. Essential Skills and Experience Strong commercial experience with PHP (backend). Solid hands-on skills with TypeScript and React (frontend). Exposure to Node.js or NestJS desirable (but not essential if TypeScript is strong). Background in greenfield development projects Comfortable working in collaborative, agile teams. DevOps/ More ❯

Full Stack PHP Developer (React & Typescript) – £80,000 – Hybrid Overview A global digital marketing and technology agency specialising in online gaming is seeking a Software Developer to join its high-performing development team. This role offers the opportunity to work on scalable, high-throughput systems that power real-time user experiences in the … Role and Responsibilities Work across the full stack, with an even split between frontend and backend development. Contribute to the transition from a PHP-heavy stack towards TypeScript/React-based frontend applications. Deliver scalable, performant, and reliable solutions for high-traffic platforms. Collaborate with designers, product teams, and fellow engineers to raise the standard of customer-facing experiences. … best practices. Contribute ideas for technical improvements and new greenfield builds. Essential Skills and Experience Strong commercial experience with PHP (backend). Solid hands-on skills with TypeScript and React (frontend). Exposure to Node.js or NestJS desirable (but not essential if TypeScript is strong). Background in greenfield development projects Comfortable working in collaborative, agile teams. DevOps/ More ❯

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 ❯

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 ❯

achieve our aim. About the role We are developing an AI portfolio management app and are looking for a Full Stack Mobile App Developer specializing 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 … and back-end development principles, with a focus on delivering high-quality, performant, and user-friendly mobile experiences. 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 and mentorship 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 from concept to launch. Strong understanding of mobile UI/UX principles. Experience working in the FinTech industry is highly preferred. Ability to work independently and deliver within tight More ❯

achieve our aim. About the role We are developing an AI portfolio management app and are looking for a Full Stack Mobile App Developer specializing 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 … and back-end development principles, with a focus on delivering high-quality, performant, and user-friendly mobile experiences. 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 and mentorship 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 from concept to launch. Strong understanding of mobile UI/UX principles. Experience working in the FinTech industry is highly preferred. Ability to work independently and deliver within tight 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 ❯

Requirements Essential Experience 5+ years as a JavaScript/TypeScript engineer (full-stack) Proven experience in early-stage startup environments, ideally B2B SaaS Strong knowledge of modern frameworks (especially React) Experience building and maintaining APIs (REST/GraphQL), including documentation and SDKs Solid understanding of databases (SQL and NoSQL) and server-side development Experience deploying and managing applications on More ❯

Requirements Essential Experience 5+ years as a JavaScript/TypeScript engineer (full-stack) Proven experience in early-stage startup environments, ideally B2B SaaS Strong knowledge of modern frameworks (especially React) Experience building and maintaining APIs (REST/GraphQL), including documentation and SDKs Solid understanding of databases (SQL and NoSQL) and server-side development Experience deploying and managing applications on More ❯

Requirements Essential Experience 5+ years as a JavaScript/TypeScript engineer (full-stack) Proven experience in early-stage startup environments, ideally B2B SaaS Strong knowledge of modern frameworks (especially React) Experience building and maintaining APIs (REST/GraphQL), including documentation and SDKs Solid understanding of databases (SQL and NoSQL) and server-side development Experience deploying and managing applications on 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 ❯

Lead Software Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead … Software Developer will design, implement, and maintain publishing software, systems, and customer - facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. MAIN ACCOUNTABILITIES Lead the development and maintenance of software, in line with organisational objectives for a specific team. Promote the creation of high More ❯

Lead Software Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead … Software Developer will design, implement, and maintain publishing software, systems, and customer - facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. MAIN ACCOUNTABILITIES Lead the development and maintenance of software, in line with organisational objectives for a specific team. Promote the creation of high More ❯

Mobile Developer – Fully Remote | Up to £105k | React Native, Swift, Kotlin Here at Venchr, we are seeking a Mobile Developer with strong expertise in React Native to build high-quality, cross-platform applications that deliver a seamless experience on both iOS and Android. You’ll be contributing to innovative solutions that support … the luxury lifestyle and yachting sector. Key Responsibilities: Develop and scale cross-platform applications using React Native Deliver smooth, pixel-perfect user experiences across iOS and Android devices Collaborate closely with design and backend teams to bring new features to life Take ownership of the full development lifecycle — from performance optimisation to app store deployment What we’re looking … for: Strong commercial experience with React Native Proven track record shipping cross-platform apps (iOS + Android) Solid grasp of mobile lifecycles, performance tuning, and deployments A passion for creating slick user experiences that delight customers Dabbled in Swift/Objective-C (iOS) or Kotlin/Java (Android) Thrived in product-driven, fast-paced environments What’s on offer More ❯