1 to 25 of 34 React Developer Jobs in the South East

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 ❯

Senior React Developer required by a successful technology company whose office is in Staines. Hybrid working - 3 days per week in the office The successful Senior React Developer is likely to have a relevant degree and commercial experience in a similar role. The Senior Software Developer will join an … experienced team developing modern interactive user interfaces using React with TypeScript. Key experience React TypeScript JavaScript Experience in any of the following areas would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected More ❯

Senior React Developer required by a successful technology company whose office is in Staines. Hybrid working - 3 days per week in the office The successful Senior React Developer is likely to have a relevant degree and commercial experience in a similar role. The Senior Software Developer will join an … experienced team developing modern interactive user interfaces using React with TypeScript. Key experience React TypeScript JavaScript Experience in any of the following areas would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected More ❯

Senior React Developer React, TypeScript, API, HTML, CSS, JavaScript Fareham, Hampshire. This role is to work in the office full time. Salary circa £40,000 - £60,000 plus benefits In 2023, cybercrime cost UK businesses an estimated £21 billion. But don't think its the just the big corporates at risk, the average cybercrime value … you and your future self! They have built a suite of innovative products designed to offer superior protection against a broad spectrum of online threats. The role of Senior React Developer is a new position in the team demonstrating the increasing demand for a robust cyber solution. Working with a talented software team you will be … to local gym, onsite chef (free cooked breakfast & lunch!), childcare vouchers, cycle to work scheme, pension, BUPA healthcare, investment in training and personal development. Technical Skills: HTML CSS TypeScript React JavaScript object model JavaScript preprocessors eg webpack, Rollup, Babel SCSS/LESS Knowledge of performance testing frameworks Mocha and Jest The company offers a competitive salary, exposure to new More ❯

Mobile Application Developer – React Native Location: Stewartby, Bedfordshire (Office-based) Salary: £50,000–£65,000 + Benefits Job Type: Full-time, Permanent Sector: EV Charging | Mobile App Development | Smart Technology | IoT Build the App Behind the EV Revolution. We're hiring for a talented Mobile App Developer (React Native) to join the … ll play a key role in delivering the intuitive mobile experience that ties it all together. The Role You'll design and develop a cross-platform mobile application using React Native, working alongside engineers across firmware, hardware, cloud, and web. You'll own the app development lifecycle and help create an effortless charging experience for end users. What You … ll Need Strong experience in mobile app development Strong expertise in React Native Experience working with cloud platforms like Firebase, AWS, or GCP Familiar with real-time databases, agile development, and version control (Git) Comfortable using JIRA (or similar) and unit testing tools Good knowledge of JavaScript, TypeScript, and React for web Understanding of UI/UX best 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 (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 React Developer - Contract - £750-900 per day (Inside IR35) A leading investment bank is looking for a Senior UI Developer to join their business on a contract basis. Paying up to £900 (inside IR35) with hybrid working, you will be based remotely and out of their London offices on an initial … with extensive front end web development and architecture experience, self-organizing, comfortable working in multi-disciplinary teams and demonstrating great interpersonal skills. Skills and Experience required: React HTML5 CSS JavaScript Agile Finance experience is a must Front Office experience is a plus! If you have the necessary skills and experience please apply now! McGregor Boyall is 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 ❯

Trafalgar Talent is recruiting for a progressive, subscription-based tech company thats enhancing how users interact with web platforms through secure, high-performance solutions. As a Senior React Developer , you'll be pivotal in architecting, building, and optimizing advanced web applications using React and TypeScript. You'll take on complex engineering challenges, influence architectural decisions … and contribute directly to the user experience. Your Day-to-Day Will Include: Designing and implementing scalable front-end solutions using React , TypeScript , and modern tooling (e.g. Redux, Webpack, Jest). Breaking down complex, ambiguous problems into clean, testable components. Performance tuningboost UI responsiveness, decrease load times, and streamline data management. Selecting and integrating third-party tools and libraries … web security by proactively applying secure coding and privacy-first practices. Tracking performance metrics and monitoring application regressions. What Were Looking For: A minimum of 5 years experience with React and TypeScript , especially in performance optimization. Deep understanding of web architecture, front-end tooling, and APIs. Strong software engineering foundationdesign patterns, debugging, clean code. Experience mentoring peers, delivering high 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 ❯

making it cheaper and easier for our customers to reduce their carbon-footprint. An opportunity to play your part: We're on the lookout for a passionate and skilled React Native Developer to help us build top-tier mobile applications that make energy smarter and simpler for our customers. If you love crafting clean, efficient code … and thrive in a collaborative environment, you'll fit right in. In this role, you'll be working hands-on with React Native, Context, and JavaScript-bringing ideas to life and turning complex challenges into elegant solutions. You'll be part of a team that values innovation, quality, and a bit of fun along the way. Every day brings … will directly impact how people interact with energy in their homes. Location : UK, (talk to us about flexible working) The Day to Day: Developing and maintaining mobile applications using React Native that our customers love to use. Collaborating with designers, product managers, and backend developers to bring new features to life. Writing clean, scalable, and well-documented code that 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 ❯

Front-End Developer Hybrid London (2 days a week) Up to £75,000 + Benefits Are you passionate about building interactive, user-friendly web applications that make a real impact? We're partnering with a cutting-edge tech company combining distributed computing, simulation, and machine learning to revolutionise urban transport systems - and they're looking for a … long-term strategy for the front-end tech stack. Working in a cross-functional team, sharing responsibility for development, integration, and deployment. Building impactful solutions using technologies such as React, D3.js, MapBox, and client-side databases . Growing into a role with ownership and technical leadership as the web development team expands. What we're looking for: 3+ years … of commercial experience building interactive web applications with JavaScript/TypeScript and React . Experience with Node.js, Webpack , and modern development workflows. Strong understanding of client-side performance, cross-browser compatibility, and RESTful APIs . Experience with testing frameworks (e.g., Jest, Enzyme ) and UI tools (e.g., Figma ). A passion for building maintainable, scalable, and high-quality software. Strong More ❯

Developer | Node.js TypeScript React | IoT Platform Tech Stack Essential: Node.js, TypeScript, React Nice to Have: Grafana About the Role We're looking for a Senior Software Developer to play a key role in shaping and expanding our innovative IoT Back Office platform. You'll work alongside the Lead Developer … is presented to customers in fresh, engaging ways. What You'll Be Doing Taking ownership of key development projects from design through to deployment. Collaborating with the Lead Developer on architectural decisions and platform evolution. Writing, testing, and maintaining high-quality, performant code. Troubleshooting complex issues and driving continuous improvement across the stack. Exploring new technologies and … real world. A growing environment where your voice matters and your contributions shape the product. Ongoing opportunities for professional development and leadership growth. If you're a senior developer who enjoys both the technical challenge and the chance to shape something meaningful, we'd love to hear from you. 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 ❯

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗ Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping the future of financial technology and redefining trading … where you’ll be responsible for full-stack development and play a key role in enhancing their trading platforms. C#.NET is the core back-end technology across the business. React is used for the front-end, making experience with it beneficial but secondary. As a Senior Developer , you’ll be hands-on in development while also … Experience Required 7+ years of experience in software development with a strong focus on C# and .NET . Proven experience in designing and building scalable, event-driven architectures . React experience is a plus , particularly for building modern user interfaces. Proficiency in SQL , with GraphQL and Redux being beneficial. Experience in software development best practices, performance optimization, and debugging More ❯

Senior Full Stack Developer | C# & React | Greenfield Trading Platform | London, Hybrid | Up to £120k + Bonus, Benefits ❗ Note: This role does not provide Visa Sponsorship ❗ 💹 Our client is looking for a Senior Full Stack Developer with strong expertise in C# to join them in shaping the future of financial technology and redefining trading … where you’ll be responsible for full-stack development and play a key role in enhancing their trading platforms. C#.NET is the core back-end technology across the business. React is used for the front-end, making experience with it beneficial but secondary. As a Senior Developer , you’ll be hands-on in development while also … Experience Required 7+ years of experience in software development with a strong focus on C# and .NET . Proven experience in designing and building scalable, event-driven architectures . React experience is a plus , particularly for building modern user interfaces. Proficiency in SQL , with GraphQL and Redux being beneficial. Experience in software development best practices, performance optimization, and debugging More ❯