12 of 12 React Developer Jobs in the Thames Valley

React Native Developer - React Native - TypeScript - Paying Up to £500 per day (Outside IR35) - Hybrid (London) - 3 month contract My client is seeking an experienced React Native Developer to join their team. You will need strong commercial experience in working with React Native and TypeScript. Essential Skills: Strong commercial experience … with React Native Strong experience in TypeScipt and React. Experience configuring, deploying, and monitoring applications on Azure. TDD (Test-Driven Development) experience. Comfortable working with relational and NoSQL databases, including complex queries and performance optimization. Solid understanding of web design patterns, including SOLID principles. Experience working in an agile, collaborative environment. Familiarity with automated testing and CI/CD More ❯

Role: Quantitative Developer – React/C# Location: London Industry: Hedge Funds Travel: Hybrid Overview: A leading global quantitative investment manager is seeking a skilled Quantitative Developer (React/C#/Python) to join their London-based team. You will work as a desk-facing developer alongside global cross-asset … project delivery. Responsibilities: Provide daily technical support and trading insights to multiple activities and asset classes. Build, optimize, and maintain reporting and analytical tools for research and trading, leveraging React, C#, and Python frameworks. Take ownership of production processes to align with dynamic business objectives. Collaborate closely with analysts, quants, and developers, offering constant feedback on investment strategy performance. … to problem-solving, enabling scalable solutions. Multitask effectively while working in a team-oriented, collaborative environment. Experience: Minimum 3 years experience as a software engineer. Front-end experience with React, MUI, AG-Grid, and ECharts. Advanced proficiency in C and Python (required). SQL expertise preferred. Strong communication, organizational skills, and ability to multitask. Ability to work independently 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 ❯

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 ❯

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 … 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 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 ❯

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 ❯

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 ❯

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 … 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 … 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 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 ❯

Software Developer, C# .NET React JavaScript TypeScript. SaaS Cloud AI Unified Comms x 3 We’re hiring on behalf of a forward-thinking organisation delivering cutting-edge software across global projects. They’re seeking a driven Software Developer to join their agile, high-performance team and help shape the future of impactful digital … as a Software Developer Software Development Write clean, scalable, maintainable code using C# and .NET 5/6 Build modern frontend solutions using JavaScript , TypeScript , and React Contribute to architectural decisions and design secure software components Collaborate closely in Agile/Scrum teams to deliver reliable, user-centric software Carry out rigorous unit and integration testing … in C# , SQL , and Microsoft SQL Server Solid understanding of Git and experience in Agile environments Bonus: Familiarity with OWASP ASVS , secure development standards, and modern UI frameworks like React Why Apply Work on worldwide projects with real impact. Be part of a collaborative, agile team focused on innovation. Gain exposure to a broad tech stack and career progression More ❯