1 to 25 of 31 React Developer Jobs in the South East

Senior React Developer/Front End 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 … year on year growth for the past 10 years and has ambitious growth plans. As a Senior React Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on business critical systems using React. You'll collaborate with backend engineers to … 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 ❯

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 develop … 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 Southampton – Hybrid Competitive Salary VIQU have partnered with a leading financial organisation that is investing heavily in the development of a new, modern software capability. As part of this transformation, they are looking to hire a Front-End Developer into a newly created, foundational role within a growing technology team. … key part in shaping the front-end direction of the organisation's digital platforms, working with a modern tech stack and alongside experienced engineers. Key Responsibilities of the Senior React Developer: Design and build modern, scalable front-end architecture using React, TypeScript and Next.js Collaborate closely with back-end developers to deliver integrated solutions Develop … development standards and best practices Support and mentor junior developers in a collaborative team environment Package and optimise applications for web and mobile platforms Key Requirements of the Senior React Developer: Minimum 4+ years of front-end development experience in React, TypeScript and Next.js Strong understanding of component-based architecture and front-end data modelling More ❯

Job Title: React Developer (UI Components) Location: Bromley (3 days a week onsite) Contract Type: Temporary Rate: Circa £750/Day Status: Inside IR35 Working Pattern: Full Time Join Our Team! Are you a skilled React Developer looking for an exciting opportunity in the dynamic world of finance? Do you have a … user interfaces? If so, we want to hear from you! Our client, a leading organisation in the FX Derivatives and Risk sector, is on the lookout for a talented React Developer to help create and expand their FX Options and Risk frontend application suite. Essential Skills & Qualifications: Proficient in an OOP language such as Java or More ❯

React Developer Horley - 2 days a week onsite We’re seeking a talented and driven Front-End Developer to join a dynamic, agile development team working on cutting-edge web applications. This is an exciting opportunity to contribute to high-impact projects that prioritise performance, accessibility, and user experience, You’ll be responsible … for designing and developing responsive, visually engaging UI components using React and TypeScript. Your work will involve integrating APIs, optimising performance through techniques like lazy loading and code splitting, and ensuring cross-browser and cross-device compatibility. Essential Technical Skills & Knowledge : React TypeScript HTML5, CSS3, JavaScript (ES6+) Unit testing (Jest) RESTful APIs NPM Git version control Strong understanding … of software engineering fundamentals, including synchronous/asynchronous processes Understanding the practical application of Accessibility Standards (WCAG, ARIA) Strong problem-solving and analytical abilities React Developer Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be More ❯

React Developer - FX Derivatives & Risk Bromley (3 days per week on-site) 12-month contract Competitive day rate via umbrella Are you a React Developer who thrives in fast-paced, high-performance environments? This is your chance to join a front-office technology team working on cutting-edge trading systems that power … combines complex problem solving, UI performance optimisation, and exposure to financial products , all within a collaborative and innovative environment. What you'll be doing: Designing and developing high-performing React applications for FX Options and Risk. Optimising and scaling UI components to handle large volumes of real-time data. Collaborating closely with traders, quants, and other developers in an … platform that's critical to global trading operations. What we're looking for: Strong programming skills in an OOP language (Java, Python, etc.). Solid hands-on experience with React, JavaScript, HTML, and CSS. Good understanding of algorithms, data structures, and design patterns. Experience with agile methodologies (Scrum, Kanban, XP) and CI/CD practices. Background in UI design 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 ❯

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 ❯

Front Office React Developer is required by a Global Investment Bank. Front Office React Developer role within the Foreign Exchange Derivatives and Risk team to build and extend FX Options and Risk frontend application suite. Essential Skills: Very good knowledge and experience in Web Technologies, tools and frameworks, HTML, CSS, JavaScript and 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 ❯

11214SJR £45k - 55k per year React Developer Horley - 2 days a week onsite We're seeking a talented and driven Front-End Developer to join a dynamic, agile development team working on cutting-edge web applications. This is an exciting opportunity to contribute to high-impact projects that prioritise performance, accessibility, and user … experience. You'll be responsible for designing and developing responsive, visually engaging UI components using React and TypeScript. Your work will involve integrating APIs, optimising performance through techniques like lazy loading and code splitting, and ensuring cross-browser and cross-device compatibility. Essential Technical Skills & Knowledge : React TypeScript HTML5, CSS3, JavaScript (ES6+) Unit testing (Jest) RESTful APIs NPM … Git version control Strong understanding of software engineering fundamentals, including synchronous/asynchronous processes Understanding the practical application of Accessibility Standards (WCAG, ARIA) Strong problem-solving and analytical abilities React Developer Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered 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 More ❯

Senior React Developer Southampton - Hybrid Competitive Salary VIQU have partnered with a leading financial organisation that is investing heavily in the development of a new, modern software capability. As part of this transformation, they are looking to hire a Front-End Developer into a newly created, foundational role within a growing technology team 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 ❯

An Investment Banking client is currently hiring for a Full Stack Java/React Developer to join their Front office IT Team.The initial contracts will be for 6 months rolling paying £900-£1000 per day via an Umbrella company. The positions require 3 days attendance per week to the London office. Required experience: Previous experience working … as a Full stack Developer with experience in both Java & React Experience working in the Front office ideally or in Trading environments Please share an updated CV ASAP if you'd like to be considered for the position and I'll be in touch if suitable. Please click here to find out more about our Key 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 ❯

Senior Full Stack Developer/Engineer (React C# .Net/Python) London to £150k Do you have expertise with React combined with a strong appreciation of .Net and/or Python backend systems? You could be progressing your career in a senior, hands-on role at a Hedge Fund with over $10 billion under management. … both web and mobile applications, collaborating with colleagues in the New York office. You will architect and design high quality, performant, visually compelling applications with a focus on developing React based responsive web applications with mobile first design and integrating front end applications with backend services in .Net and Python within cloud based environments. There's a range of … s a friendly and collaborative environment with casual dress code and a range of facilities. About you: You have experience within a similar finance environment You have expertise with React including (hooks, context, state management: Redux, Zustand, Recoil) You have strong experience with responsive design, accessibility and cross-platform compatibility You have experience of working with complex, data centric 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 ❯

Senior Software Developer - Transform Public Sector Tech No sponsorship can be given Location: Surrey (Office-based during probation, then Remote/Hybrid) Salary: £55,000 - £60,000 + Excellent Benefits Experience: 5+ years Ready to make a real impact? Join a thriving UK SaaS company that's revolutionizing how the public sector connects with citizens. We're … backbone helping government organizations communicate critical information - from health updates to policy changes - reaching thousands of users daily. What You'll Do Build and scale high-performance applications using React, TypeScript & C# Shape architectural decisions in a microservices environment Work with cutting-edge tech including Docker and modern DevOps practices Collaborate with brilliant minds solving complex technical challenges What … You Need 5+ years software development experience (SaaS preferred) Strong skills in React, JavaScript, TypeScript, C# Experience with microservices, containerization (Docker) Knowledge of SQL & NoSQL databases CI/CD pipeline experience What's In It For You? Clear career progression to Lead Developer roles Health insurance (year 2+) & pension Flexible working post-probation Continuous learning & mentorship More ❯