1 to 25 of 159 React Developer Jobs in London

risk, xVA and market risk for both Buy and Sell side firms. This role is for a software developer within the FRA software engineering team, building React (Typescript) UI applications, services and working with databases/cloud. Job Description Design and implement UI applications and services. Participate in system architecture and design decisions. Continuously improve development … coordination with product managers and colleagues. Education and expertise Bachelor's degree in Computer Science, Applied Mathematics, Engineering, or a related discipline, or equivalent experience. Strong software development experience React, Typescript/js (ES6) Node.js (express) Experience with SQL relational databases such as Postgresql Demonstrable experience of using Restful API in a production setting. Test frameworks (e.g. jest, jasmine … playwright) Understanding of CI/CD pipelines Linux/Unix, Git Agile and XP (Scrum, Kanban, TDD) Desirable: Highcharts, Devextreme, tanstack React Components, Bootstrap, HTML5 Understanding and implementation of security and data protection Gitlab, Docker AWS - CLI, Cloudfront, Cognito, S3 Python, Java/Scala Other requirements You can effectively manage timelines and enjoy working within a team You can More ❯

Job Description Lead React Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS OMS Execution Order Management System Portfolio … Golang Go) required by our trading software client in London. You MUST have the following: Strong experience as a Lead React Developer/Software Engineer/Programmer Excellent JavaScript, TypeScript and React Redux Experience building Front Office trading systems (execution or order management, risk or PnL analysis) Strong ability to lead and take concepts and … ideas into technical solutions Excellent stakeholder interaction skills Agile The following is DESIRABLE, not essential: Ag-Grid and GraphQL Golang Java Role: Lead React Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager More ❯

Join to apply for the Senior Fullstack Developer (React & Node.js) role at Pragmatike Join to apply for the Senior Fullstack Developer (React & Node.js) role at Pragmatike Job Description Job Description Location: Full remote, EU timezone (CET 2 hours) Start Date: As soon as possible Languages: English required, French is a plus We … are looking for an experienced Fullstack Developer with strong expertise in React and Node.js to help us build and scale robust, modern web applications. Responsibilities : Design, develop, and maintain scalable web applications using React (frontend) and Node.js (backend). Collaborate closely with product managers and designers to deliver high-quality user experiences. Build and consume … Work with modern tools and frameworks to improve developer productivity and software quality. Requirements : 5+ years of professional experience as a Fullstack Developer. Strong proficiency in React (hooks, context, modern state management) and Node.js. Experience with TypeScript, or willingness to work with it regularly. Solid understanding of modern web architecture, REST APIs, and async data flows. More ❯

coordination with product managers and colleagues. Education and expertise Bachelor's degree in Computer Science, Applied Mathematics, Engineering, or a related discipline, or equivalent experience. Strong software development experience React, Typescript/js (ES6) Node.js (express) Experience with SQL relational databases such as Postgresql Demonstrable experience of using Restful API in a production setting. Test frameworks (e.g. jest, jasmine … playwright) Understanding of CI/CD pipelines Linux/Unix, Git Agile and XP (Scrum, Kanban, TDD) Desirable: Highcharts, Devextreme, tanstack React Components, Bootstrap, HTML5 Understanding and implementation of security and data protection Gitlab, Docker AWS - CLI, Cloudfront, Cognito, S3 Python, Java/Scala Other requirements You can effectively manage timelines and enjoy working within a team. You can More ❯

stakeholders (e.g., clients, users, product, platform, application owners). Design, develop, and maintain software applications using Python and SQL. Design and implement user interfaces using modern JS frameworks (e.g. React, Angular, or Vue.js). Build and maintain ETL/ELT pipelines and data models within data warehouses, an example pipeline being ingesting data from multiple Cyber Intelligence vendors. Architect … transformation within data warehouses, knowledge of tools such as DBT is desired. Experience with front-end technologies, such as HTML5, CSS3, and JavaScript. Knowledge of JavaScript frameworks, such as React (preferred), Angular, and Vue.js. Knowledge of CSS frameworks, such as Bootstrap, Material UI, and Tailwind CSS. Strong understanding of API protocols and standards, including REST and GraphQL. Hands-on … data technologies, such as Splunk, Trino, and Apache Iceberg. Data Science experience. AI/ML experience with building models. AWS certification (e.g., AWS Certified Solutions Architect, AWS Certified Developer). About Us J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals and More ❯

stakeholders (e.g., clients, users, product, platform, application owners). Design, develop, and maintain software applications using Python and SQL. Design and implement user interfaces using modern JS frameworks (e.g. React, Angular, or Vue.js). Build and maintain ETL/ELT pipelines and data models within data warehouses, an example pipeline being ingesting data from multiple Cyber Intelligence vendors. Architect … transformation within data warehouses, knowledge of tools such as DBT is desired. Experience with front-end technologies, such as HTML5, CSS3, and JavaScript. Knowledge of JavaScript frameworks, such as React (preferred), Angular, and Vue.js. Knowledge of CSS frameworks, such as Bootstrap, Material UI, and Tailwind CSS. Strong understanding of API protocols and standards, including REST and GraphQL. Hands-on … data technologies, such as Splunk, Trino, and Apache Iceberg. Data Science experience. AI/ML experience with building models. AWS certification (e.g., AWS Certified Solutions Architect, AWS Certified Developer). About Us J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals and 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 … ll 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, React and React Native but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive … 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 ❯

Direct message the job poster from The JM Longbridge Group Lead Financial Technology Consultant/SME at The JM Longbridge Group Financial Services Firm is hiring for a React Developer with a focus on RTK Query/Modern Frontend Engineering. This role has a flexible hybrid working policy and is based in the City of London. … Salary ranges between £75K - £95K depending on experience. They are seeking an experienced React Developer with expertise in Redux Toolkit - RTK Query to build high-performance, scalable, and user-centric applications. Responsibilities : Develop and maintain responsive single-page applications (SPAs) using React, TypeScript, and RTK Query Collaborate with designers, backend developers, and QA to build … in Agile ceremonies and contribute to continuous delivery pipelines Skills and Experience Required: 4-7+ years in frontend or full-stack development Proven production experience building SPAs with React Strong hands-on experience with Redux Toolkit (RTK) and Redux Query Comfortable working with Agile methodologies Deep understanding of functional components, React Hooks, and component lifecycle Skilled in More ❯

Front End Developer/Engineer (TypeScript React 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 as … ll work alongside a talented team, contributing ideas, collaborating with designers, and prototyping new features. There's a modern tech stack; you'll mainly use JavaScript/TypeScript and React but will have opportunities to learn new technologies on the job. Location/WFH: Join a friendly and supportive team in London with flexibility to work from home one … day a week. About you: You are degree educated in Computer Science from a top-tier university (e.g., Russell Group, Oxbridge). You have experience with TypeScript and strong React skills; React Native experience is a plus but can be learned on the job. You are proficient with HTML5 and CSS3. You have experience designing responsive interfaces for More ❯

Social network you want to login/join with: Front End Developer TypeScript React Native, London col-narrow-left Client: Client Server Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 86c77cf7c4e6 Job Views: 3 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: 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 as a Front … 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 ❯

technical guidance and mentorship to less experienced developers. Required Skills Strong experience with C#, .NET Core, Azure, and test automation. Proficiency in JavaScript and a modern front-end framework (React preferred). Familiarity with microservices, containerization, and site reliability engineering. Solid understanding of Agile/Scrum methodologies and software design principles. Experience with TDD and CI/CD pipelines. More ❯

Senior Full Stack Developer (Node/React) Senior Full Stack Developer (Node/React) required to join a successful open-source Software House who work with the Healthcare industry. Working closely with other members of your Team, including other Developers, QA, Product Owner you will be working on multiple projects which could … to four months.Ideally we are keen to find candidates who have at least 6 years’ experience and who have worked in a full stack capacity, ideally with experience in React and Typescript. Our client have recently moved to Azure so are keen to utilise Azure’s cloud functionality including serverless functions/service bus so any experience within this … be great. Any experience with leading projects and mentoring more junior developers would be great!Ideal candidates will have at least 6 years full stack development experience with : JavaScript React or Angular Node.js HTML CSS Agile And nice to have : MongoDB GraphQL REST API’s JSON Redis SQL Databases Typescript This is a great opportunity to join an established More ❯

Financial Services Firm is hiring for a React Developer with a focus on RTK Query/Modern Frontend Engineering. This role has a flexible hybrid working policy and is based in the City of London. Salary ranges between £75K - £95K depending on experience. They are seeking an experienced React Developer with expertise … in Redux Toolkit - RTK Query to build high-performance, scalable, and user-centric applications. Responsibilities : Develop and maintain responsive single-page applications (SPAs) using React, TypeScript, and RTK Query Collaborate with designers, backend developers, and QA to build polished, user-friendly experiences Translate UI/UX wireframes into reusable, maintainable components Optimize application performance, caching, and API interactions Participate … in Agile ceremonies and contribute to continuous delivery pipelines Skills and Experience Required: 4-7+ years in frontend or full-stack development Proven production experience building SPAs with React Strong hands-on experience with Redux Toolkit (RTK) and Redux Query Comfortable working with Agile methodologies Deep understanding of functional components, React Hooks, and component lifecycle Skilled in More ❯

Financial Services Firm is hiring for a React Developer with a focus on RTK Query/Modern Frontend Engineering. This role has a flexible hybrid working policy and is based in the City of London. Salary ranges between £75K - £95K depending on experience. They are seeking an experienced React Developer with expertise … in Redux Toolkit - RTK Query to build high-performance, scalable, and user-centric applications. Responsibilities: - Develop and maintain responsive single-page applications (SPAs) using React, TypeScript, and RTK Query - Collaborate with designers, backend developers, and QA to build polished, user-friendly experiences - Translate UI/UX wireframes into reusable, maintainable components - Optimize application performance, caching, and API interactions - Participate … in Agile ceremonies and contribute to continuous delivery pipelines Skills and Experience Required: - 4-7+ years in frontend or full-stack development - Proven production experience building SPAs with React - Strong hands-on experience with Redux Toolkit (RTK) and Redux Query - Comfortable working with Agile methodologies - Deep understanding of functional components, React Hooks, and component lifecycle - Skilled in More ❯

Senior Full Stack Web Application Developer - React, Node, Next.js at Operati We are looking for a senior web developer with at least 10 years web development experience . Working closely with the CTO and founding team, you will be contributing towards the development and design of a large web application in line with … of the wider team. Staying abreast of developments in web applications and programming languages. Requirements Minimum 10 years experience in a developer role. Minimum 5 years React experience. Minimum 5 years Node.js experience. HTML/CSS Familiarity with database technology e.g. PostgreSQL/MySQL The ability to work to a specification as part of a small More ❯

technical guidance and mentorship to less experienced developers. Required Skills Strong experience with C#, .NET Core, Azure, and test automation. Proficiency in JavaScript and a modern front-end framework (React preferred). Familiarity with microservices, containerisation, and site reliability engineering. Solid understanding of Agile/Scrum methodologies and software design principles. Experience with TDD and CI/CD pipelines. More ❯

Front End React Developer, React, Javascript, NW London to £70K 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 ❯

day ago Be among the first 25 applicants A London-based Hedge Fund is on the lookout for a Senior Full Stack Developer with strong React (Front End) and C# (Back End) skills to join their high-performing team. Working directly with the Front Office trading desk , you'll help build a Greenfield trading platform , contributing … React.JS , C# , TypeScript , CI/CD , DevOps Impact : Direct exposure to trading strategies , real-time systems , and mission-critical apps. 6+ years of hands-on coding in C# and React ️ Strong grasp of CI/CD pipelines and Agile delivery Skilled in TypeScript , modern JS frameworks Proven track record in system architecture & design Leadership experience (you'll help guide More ❯

Requirements: Type-safe frontend code is required. Experience with Tailwind CSS, CSS Modules, or styled-components is necessary, while knowledge of Next.js, GraphQL, Jest, React Testing Library, and Cypress is a bonus. You should also be comfortable deploying via Netlify or CI/CD pipelines. Salary: £40,000 - 70,000 per year Additional Requirements: We are looking for an … experienced React Developer with 4-7+ years in frontend or full-stack development. You should possess proven production experience building single-page applications (SPAs) with React, as well as strong... Skills: Cypress ESLint Frontend Git GraphQL Jest React Redux TypeScript styled-components UX UI Design JavaScript More: We offer a flexible hybrid working More ❯

About the Role: Grade Level (for internal use): 11 Role Description: We are seeking an experienced and passionate Senior Frontend React UI Developer to build out our front-end web application, which will allow the users to create a graphical model interactively and collaboratively, view models, upload data and run models on that scenario data, as … the functionality we currently offer in the system. You will collaborate with other members of the team and define interface components required and be responsible for building out custom React components, and making changes as required. You will have influence on both the design and implementation, to participate in code reviews and ticket prioritisation. Responsibilities: Work with the wider More ❯

React Native Developer London - Hybrid 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, Remarkable partners with … expertise across platforms like Sitecore, Microsoft Dynamics, Optimizely , and beyond, we fuse strategy, creativity, and engineering to deliver truly personalised digital journeys. We're now looking for a talented React Native Developer to join our mobile team — someone passionate about building elegant, high-performance apps that users love. Key Accountabilities Developing and maintaining high-quality React … and optimising app performance Staying up to date with mobile tech and frameworks to keep us ahead of the curve Technical Experience 5+ years of experience building apps with React Native Strong JavaScript and/or TypeScript skills Exposure to state management libraries like Redux Knowledge of RESTful APIs, mobile architecture, and version control (Git) Understanding of mobile UI More ❯

Lead design, development, and deployment of scalable applications using Node.js and React. Architect robust backend and frontend solutions for high performance and responsiveness. Collaborate closely with product management and UX/UI teams to translate requirements into technical solutions. Mentor More ❯

Lead React Developer Software Engineer Trading Finance London Lead React Developer Software Engineer Trading Finance London Joseph Harry London, United Kingdom Apply now Posted 4 days ago Hybrid Job Permanent GBP120000 - GBP150000 per annum + 50% Bonus + Pension You MUST have the following: Strong experience as a Lead React Developer … well-backed company that is growing rapidly and will likely IPO in the next 24 months. There is hybrid working with a possibility for remote working. Lead Golang Developer Software Engineer Finance Trading London Joseph Harry London, United Kingdom Lead Java Developer Software Engineer Finance Trading London Joseph Harry London, United Kingdom Lead Full Stack Developer Software Engineer Finance London Joseph Harry London, United Kingdom Lead React Developer Software Engineer Trading Finance New York Joseph Harry Manhattan, United States React Developer Software Engineer Finance Trading New York Joseph Harry More ❯

Job Opportunity: React Developer Are you a React Developer with some full-stack experience? Join us to work with financial brands, simplifying the world of money and helping their clients build more valuable relationships. You'll be part of a creative, technical, and industry-expert team dedicated to solving problems and delivering … you will develop data-driven, transactional web applications alongside an experienced team utilizing the latest web technologies to build top platforms in the financial services industry. This role is React-heavy but offers opportunities to experiment with other technologies. We seek someone eager to broaden their skills and who has exposure to backend technologies like Node.js or .NET. Role … Details Position: React Developer Location: Hybrid (London office, occasional visits) Salary: £50,000 - £60,000 Responsibilities Develop scalable, flexible, and reusable components Create new customer-facing portals Stay updated with emerging technologies Collaborate with other teams across the business Skills Required Solid knowledge of HTML5 and CSS3 Proficiency in React and React hook form More ❯

Full Stack Developer Next.js NestJS React - Start-up Full Stack Engineer/Developer (Next.js NestJS React) London/WFH to £80k Are you a full stack technologist with experience of working in high growth start-ups? You could be progressing your career in an impactful Full Stack Engineer role as part of … colleagues in the London office 1-2 days a week. About you: You have strong full stack software engineering experience. You have experience with all of the following: TypeScript, React, Next.js, Tailwind CSS, NestJS, Prisma, PostgreSQL, Azure cloud. You have experience of working in scaling technology start-up environments. You understand optimisation and scalability. You're innovative and adaptable. … 80k. Equity. Impactful role with lots of autonomy and career growth. Apply now to find out more about this Full Stack Developer/Engineer (Next.js NestJS React) opportunity. At Client Server, we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people More ❯