1 to 25 of 43 React Developer Jobs in London

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 ❯

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 ❯

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 ❯

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 - 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

Full Stack Developer - React/Python London | Hybrid (2 days office and 3 days from home) £60K-£70K + 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 experience Why us? Big impact 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 for Fixed Income products. The role is to 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 ❯

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 ❯

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 More ❯

Overview Front End Developer - React London - Hybrid Remote Remarkable is a leader in digital transformation, helping businesses create cutting-edge customer experiences through platforms like Sitecore, Optimizely, and Microsoft CRM. We specialize in using data-driven strategies and innovative technology to shape the future of customer engagement. With a focus on cloud, commerce, and scalable solutions … quality code Optimising components for maximum performance across a vast array of web-capable devices and browsers Following industry standards and best practices for Front End development, specifically for React development To accurately record all hours worked against the appropriate client and report any work requests to the Technical Lead and/or CTO In all dealings with clients … testing tools (eg. BrowserStack) Strong background in software development. Excellent knowledge of HTML5, JavaScript, CSS and SASS. Knowledge of state management frameworks (e.g. Redux, Flux, VueX, Realm) Appreciation of React design patterns and understanding of their use Familiarity with Front end unit testing tools e.g. Jasmine, Jest, MochaJS Knowledge of task runners (Grunt, Gulp, Webpack: Gulp is preferred, MSBuild More ❯

Job Description: A Python, Quartz and React developer is needed to deliver the Regulatory controls work in London. Role Description: The person needs to have Python (ideally Quartz experience), and exposure to the reconciliation/controls model. The responsibilities will include business analysis, development, affinity with an agile way of working with stakeholders. And work with … the development team, across the globe. Skills: Python, SQL, Quartz, React, HTML, CSS, Competencies: At least 2-3 years of Python and 1 year of React experience. Hands on experience in Quartz application development Hands on experience in Python , Rest API development and SQL Should have experience on Agile development Should be able to work as L3 support … in a Devops environment UI design and development, ideally in React JS. MI and reporting development using Tableau. Enterprise architecture, DevOps and Agile/Lean delivery techniques. Automated testing, instrumentation and data visualization techniques More ❯

Job Description: A Python, Quartz and React developer is needed to deliver the Regulatory controls work in London. Role Description: The person needs to have Python (ideally Quartz experience), and exposure to the reconciliation/controls model. The responsibilities will include business analysis, development, affinity with an agile way of working with stakeholders. And work with … the development team, across the globe. Skills: Python, SQL, Quartz, React, HTML, CSS, Competencies: At least 2-3 years of Python and 1 year of React experience. Hands on experience in Quartz application development Hands on experience in Python , Rest API development and SQL Should have experience on Agile development Should be able to work as L3 support … in a Devops environment UI design and development, ideally in React JS. MI and reporting development using Tableau. Enterprise architecture, DevOps and Agile/Lean delivery techniques. Automated testing, instrumentation and data visualization techniques More ❯

Overview Our client, a growing Consultancy, is looking for a Java/React Developer to join their London team. The role is hybrid, with candidates expected to be in the London office 2 days per week. The project is in the Banking sector. Responsibilities Lead the design, implementation and delivery for engineering efforts spanning … teams, working in Java and React with both front-end and back-end exposure. Contribute to all parts of the software development lifecycle including design, development, documentation and testing. Demonstrate strong ownership of software, including understanding maintenance characteristics, runtime properties and dependencies (hardware, operating system and build). Qualifications Hands-on developers who write high-quality, secure, modular, functional … and testable code. Experience with object-oriented development and design patterns. Experience developing in Java and React in an agile environment with exposure to cloud technology. Banking and Finance experience is advantageous. Preferred additional qualifications: Redux, Spring Boot, RabbitMQ, MongoDB. More ❯

.NET Developer - Financial Trading - C#, React - London (Tech stack: .NET Developer, .NET 9, C#, React, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client, a market-leading financial trading firm, renowned for its innovation, lightning-fast technology and elite engineering culture, is seeking talented .NET Developer … company where tech is not a support function, it is the business. The ideal candidate .NET Developer will have commercial experience working with .NET, C# and React Prior exposure to trading systems or financial services is highly desirable due to the nature of the role. Our client will provide training in: .NET 9, JavaScript, Angular … low-latency trading platforms and tools. This is a greenfield project and a chance to leave your mark on a business-critical system from day one. All .NET Developer positions come with the following benefits: Company shares 15% pension contribution Bupa private healthcare 3 hours per week of personal development time £4.5k annual training allowance 27 days 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 ❯

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 ❯

Mid-Weight React Native Developer £60,000-£70,000 + benefits | Holborn (Hybrid) A growing digital agency in Holborn is looking for a Mid-Weight React Native Developer to join their small engineering team. The business specialises in building AI-driven tools - from chatbots to scraping systems and retrieval solutions - with a … strong client base across the UK and Europe. The Role This is a hands-on React Native role, focused purely on mobile development (no web components). You'll be responsible for integrating two Python APIs (REST and GraphQL), optimising app performance, and contributing to new AI-centric features. The set-up is collaborative: pair programming, code reviews, and … pragmatic engineering in a small, lean team. Key Responsibilities Build and optimise React Native applications. Integrate with Python APIs (REST and GraphQL). Drive performance improvements: bundles, memory, startup, animations, offline. Participate in PR reviews and pair programming. Contribute to AI features (chatbots, scraping, retrieval systems). Manage store releases, updates, and monitoring. What's Needed 2-3+ 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 ❯