19 of 19 React Developer Jobs in the City of London

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 … 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 More ❯

Job Title : Senior React Developer 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 React Developer 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 ❯

Job Title: React Developer (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 ❯

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 ❯

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 More ❯

Job Description: Extensive experience in JavaScript & Typescript development, with a strong focus on React JS and Node JS (Mainly Typescript with React JS and Node JS) Good to have experience working with the Cancara Design System and the InterStellar Web SDK Deploy build and manage apps on Azure cloud Integrate with Azure functions and API Experience on Google … Cloud Proficiency in front-end technologies such as HTML, CSS, JavaScript, and Typescript frameworks (e.g. React, React Context, Redux etc..) Familiarity with version control systems (e.g., Git) and agile development methodologies Strong knowledge on unit testing library's like React Testing Library and Jest frameworks Strong problem-solving and analytical skills Excellent communication and collaboration abilities 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 ❯

Job Title: Frontend Engineer – React/TypeScript/Next.js Location: London (Hybrid – 2‐3 days in office) Salary: £70,000 – £75,000 + Equity About the Company You’ll join a fast‐scaling SaaS business that’s redefining how enterprise sales teams operate. Their platform uses advanced AI and deal‐intelligence to unlock hidden insights, streamline workflows and elevate … real‐world impact, yet technically deep and product‐led. About the Role You will help shape the front end of a high‐impact product used by enterprise customers, using React , TypeScript , and Next.js . You’ll work across the full front‐end life cycle — from architecture and design collaboration, through to deployment and optimisation — delivering robust, performant, and accessible … join a highly collaborative team where your voice will matter, and your work will be visible at scale. What You’ll Do Build and maintain modern web applications using React , TypeScript , and Next.js . Translate UI/UX designs into responsive, accessible and high‐performance user interfaces. Collaborate strategically with backend engineers, product owners and designers to deliver end More ❯

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 ❯

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 ❯

About the role We’re looking for Senior Frontend Developer who excels at first principle thinking and wants to pave new terrain. This is not a people management role. It’s for people that are able to do it themselves and lead through example. If you’re looking to do meaningful work and you’re not driven … business teams to define and implement elegant solutions to interesting problems What you'll need 5+ years of experience working as a frontend developer Experience in React Native Understanding of web and mobile SDKs Experience collaborating on software projects with design and backend aspects To be a quick learner with an ambitious and results-driven personality More ❯

Job Title - React JS (eSign Platform) Developer Experience - 5+ years Job Type - Full Time permanent Work mode - Onsite Location - London, UK We require local/no sponsorships candidates only. Job Description - Key Responsibilities: Develop and enhance the eSign environment using React . Implement a robust, reusable framework to support new applications. Collaborate with design teams More ❯

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 ❯

Senior Golang Developers x 2 (React/AWS) - Remote - New Roles! A leading organisation in the Gloucestershire area requires a number of Senior Golang Developers to join its growing team. Suitable candidates will have strong Golang experience coupled with both React and AWS. in summarym the successful candidates will have the following: Strong Golang experience Proficiency in React 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 ❯