1 to 25 of 37 React Developer Jobs in London

React Developer/Front End Engineer (React v19 TypeScript) London/WFH to £95k Do you have expertise with React? You could be progressing your career at a Hedge Fund with complex work and substantial bonus earning potential. As a React Developer you'll join a globally distributed team to … You'll join colleagues in the impressive Central London office with flexibility to work from home twice a week. About you: You have strong Front End development skills with React (they're using v19) and TypeScript You are experienced with other web technologies such as HTML, CSS, Web APIs You have a strong knowledge of Computer Science fundamentals including … with great communication skills You are degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a React Developer/Front End Engineer you will receive a competitive package: Salary to £95k Bonus Pension Self development and career progression opportunities Apply now to find More ❯

Front End React Developer, React, Javascript, NW London to £80K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will be on developing user interface components and implementing them following well … tools such as Babel, Webpack, NPM, etc. Ability to understand business requirements and translate them into technical requirements A knack for benchmarking and optimization Familiarity with git Experience with React Native is a bonus ****THIS ROLE IS OFFICE BASED More ❯

Role overview We’re hiring a Senior React/React Native Developer to own key parts of our web and mobile experience. You’ll ship high-quality, scalable features across React (web) and React Native (iOS/Android), mentor teammates, and champion robust engineering practices (TypeScript, testing, CI/CD, design patterns). … love clean abstractions, smooth UX, and measurable performance, you’ll feel at home here. 6 Month Contract outside IR35 What you’ll do ● Design, build, and maintain production-grade React and React Native applications. ● Write clean, type-safe TypeScript with strong attention to DX, reusability, and documentation. ● Apply and advocate sound architecture (SOLID, DRY, KISS, Clean Architecture). … developer workflows (linting, formatting, CI jobs, test coverage). ● Mentor engineers through pairing, design docs, and architecture reviews. What you’ll bring (Required) ● 6+ years professional React experience and 2+ years hands-on React Native. ● Strong TypeScript fundamentals and experience building type-safe APIs/components. ● Modern React mastery: hooks, context, suspense-ready patterns More ❯

Role overview We’re hiring a Senior React/React Native Developer to own key parts of our web and mobile experience. You’ll ship high-quality, scalable features across React (web) and React Native (iOS/Android), mentor teammates, and champion robust engineering practices (TypeScript, testing, CI/CD, design patterns). … love clean abstractions, smooth UX, and measurable performance, you’ll feel at home here. 6 Month Contract outside IR35 What you’ll do ● Design, build, and maintain production-grade React and React Native applications. ● Write clean, type-safe TypeScript with strong attention to DX, reusability, and documentation. ● Apply and advocate sound architecture (SOLID, DRY, KISS, Clean Architecture). … developer workflows (linting, formatting, CI jobs, test coverage). ● Mentor engineers through pairing, design docs, and architecture reviews. What you’ll bring (Required) ● 6+ years professional React experience and 2+ years hands-on React Native. ● Strong TypeScript fundamentals and experience building type-safe APIs/components. ● Modern React mastery: hooks, context, suspense-ready patterns 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 ❯

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 ❯

Senior Frontend Developer (Senior React Engineer) React, Typescript, Javascript, HTML, CSS - PaaS Outstanding permanent opportunity to join this global, market leading, B2B SaaS tech business as a Senior Frontend Developer/Senior React Engineer with extensive experience in React, Typescript, Javascript, HTML and CSS . This business is embracing bleeding … looking for the following skills and experience: Experience developing exceptional user experiences in business-critical SaaS & PaaS environments Technically hands on with deep expertise in the latest versions of React & Typescript Extensive knowledge of frontend fundamentals inc. HTML, CSS, web accessibility and browsers Expert skills in modern test frameworks like React Testing Library and Playwright Comfortable working in More ❯

Senior Frontend Developer (React) - Series A GenAI Security Scale-up Salary: £120,000 - £135,000 (DOE) + equity + benefits Hybrid: 2 days/week in Central London office (Kings Cross/Covent Garden area) A Series A, high-growth cybersecurity scale-up (~40 employees) is looking for a Senior React Engineer to join their … US AWS deployment. You'll be joining a small but highly capable engineering team where your impact will be significant from day one. They are looking for a Senior React Engineer with the following: Senior hands-on React experience in a product-focused SME Strong design skills and background with TypeScript, HTML and CSS Ability to work independently … paced environments - scale-ups or consultancies preferred A passion for solving complex UX/UI challenges Nice to have: experience with Figma and component-based design systems (Storybook) Tech: React, TypeScript, Figma, Storybook, Git, CI/CD You'll work closely with a highly technical Senior React Engineer to strengthen and scale their high-performance web applications. If More ❯

Senior Front End Developer/Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen 30-40% year … ll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on client dashboards and portals using React, there's approximately 70-80% Greenfield development. You'll collaborate with backend engineers to build complex financial products in a technology driven environment with lots of learning and self … two days. About you: You have a strong knowledge of software engineering best practices and Computer Science fundamentals such as OOP, Data Structures, Design Patterns You have expertise with React and strong TypeScript skills You have experience with data visualisation and have worked on complex systems You have a good understanding of financial markets, ideally with experience in a 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 ❯

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 ❯

Front End Developer/Engineer (TypeScript React Native AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could be progressing your career … work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team in London with … one day a week. About you: You are degree educated in Computer Science, from a top tier university (e.g. Russel Group, Oxbridge) You have Typescript experience combined with strong React and React Native skills You're proficient with HTML5 and CSS3 You have experience of responsive design for desktop and mobile You're keen to work in a More ❯

Front End Developer/Engineer (TypeScript React Native AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could be progressing your career … work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team in London with … one day a week. About you: You are degree educated in Computer Science, from a top tier university (e.g. Russel Group, Oxbridge) You have Typescript experience combined with strong React and React Native skills You're proficient with HTML5 and CSS3 You have experience of responsive design for desktop and mobile You're keen to work in a More ❯

Front End Developer/Engineer (TypeScript React Native AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could be progressing your career … work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team in London with … one day a week. About you: You are degree educated in Computer Science, from a top tier university (e.g. Russel Group, Oxbridge) You have Typescript experience combined with strong React and React Native skills You're proficient with HTML5 and CSS3 You have experience of responsive design for desktop and mobile You're keen to work in a 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 ❯

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 ❯

Role: Software Engineer (React) Length: Initial 3-month engagement Location: Hybrid - 2 days per week in London IR35 Status: Inside IR35 Pay Rate: £600 - £700 per day Clearance: SC Clearance One of my public sector clients are urgently looking for a React Software Engineer to join their team on a hybrid basis with travel to site 2 days … per week in London, this will be on an initial 3-month engagement. They are interested in React Software Engineers with experience of working in an Agile environment amongst multi-disciplinary teams. Active SC clearance is required for this position. Key Requirements Experience JavaScript, React, Node.js and TypeScript. Strong experience in writing reusable, testable components, within React. Proficiency … developing accessible, responsive layouts using componentised CSS/SASS. Working practices such as test-driven development or behaviour-driven development. TypeScript testing using Jest or a similar framework and React Testing Library or Enzyme for component testing. Desirable Skills: Familiarity with SQL database concepts and hands on experience with PostgreSQL. Familiarity with version control using Git. Experience of continuous More ❯

your locationIndustriesChoose a partner with intimate knowledge of your industry and first-hand experience of defining its future.London# React JS Developer or Lead ReactJS Developer - Knutsford UK Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like … us and help the world's leading organizations unlock the value of technology and build a more sustainable, more inclusive worldWe are seeking a skilled and passionate UI Developer with strong front-end development experience to join our team. The ideal candidate will have hands-on expertise in modern UI technologies and frameworks, with a keen eye More ❯

Full Stack Developer/Software Engineer (Java AWS React) London/WFH to £110k Are you a technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start-up, set up by a small team of finance … but with lots of flexibility. About you: You have strong Java, AWS and Kubernetes skills and also have a good appreciation of user interface/front end development using React or Tailwind CSS You have a strong knowledge of modern software engineering best practices including cloud native applications, microservices and CI/CD You are an advocate of AI … have a good understanding of Financial Services/Open Banking What's in it for you: As a Full Stack Developer/Software Engineer (Java AWS React) you will receive: Up to £110k Significant stock options Apply now to find out more about this Full Stack Developer/Software Engineer (Java AWS React 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 ❯

system. Optimizing performance and ensuring maintainability, scalability, and code quality. This is a 5-days a week in-office role. Requirements And Experience We Are Looking For Expert in React & TypeScript, with strong CSS and responsive design skills. Experience with React Query, Storybook, and Material UI (or similar). Proven ability to optimize performance and build interactive, user More ❯

system. Optimizing performance and ensuring maintainability, scalability, and code quality. This is a 5-days a week in-office role. Requirements And Experience We Are Looking For Expert in React & TypeScript, with strong CSS and responsive design skills. Experience with React Query, Storybook, and Material UI (or similar). Proven ability to optimize performance and build interactive, user More ❯

system. Optimizing performance and ensuring maintainability, scalability, and code quality. This is a 5-days a week in-office role. Requirements And Experience We Are Looking For Expert in React & TypeScript, with strong CSS and responsive design skills. Experience with React Query, Storybook, and Material UI (or similar). Proven ability to optimize performance and build interactive, user More ❯