1 to 25 of 49 Senior React Developer Jobs in London

Social network you want to login/join with: Senior Frontend Developer (React), london col-narrow-left Client: Oliver Bernard Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 05.05.2025 Expiry Date: 19.06.2025 … col-wide Job Description: Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base … recently and are now actively seeking a Senior Frontend Developer (React). As a Senior Frontend (React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of More ❯

Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base recently and are now … actively seeking a Senior Frontend Developer (React). As a Senior Frontend (React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of Engineering. You will be … data team. The team are built around working together, collaborating when they can, and encourage sharing ideas. Key requirements: Experience with their stack: TypeScript, React, Next.js. AWS. Enjoy coming to the office and working in a small team. Vercel deployments from GitHub, with GitHub Actions is a bonus. If More ❯

Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base recently and are now … actively seeking a Senior Frontend Developer (React). As a Senior Frontend (React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of Engineering. You will be … data team. The team are built around working together, collaborating when they can, and encourage sharing ideas. Key requirements: Experience with their stack: TypeScript, React, Next.js. AWS. Enjoy coming to the office and working in a small team. Vercel deployments from GitHub, with GitHub Actions is a bonus. If More ❯

Senior Developer/Engineer (React TypeScript) London to £80k Are you a skilled Software Developer with strong React and TypeScript skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech … 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 … Computer Science or similar technical discipline What's in it for you: As a Senior Developer/Engineer (React TypeScript) you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee More ❯

Senior Developer/Engineer (React TypeScript) London to £80k Are you a skilled Software Developer with strong React and TypeScript skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech … 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 … Computer Science or similar technical discipline What's in it for you: As a Senior Developer/Engineer (React TypeScript) you will receive a comprehensive package including: Salary to £80k Private Medical Healthcare including Dental and Vision cover Pension Share Option scheme Employee More ❯

Senior React Developer - Equity Derivatives Technology (VP) - London Senior React Developer - Equity Derivatives Technology (VP) - London You will join the Equity Derivatives Trade management technology team in London, specializing in supporting the trade capture & life cycling … creative thinking and critical problem solving that are best in class, to serve our clients globally. Responsibilities: Design, develop and maintain web apps using React and TypeScript, ensuring high quality, clean and maintainable code. Manage application state using redux and middleware such as redux toolkit. Ensure high test coverage … experience. Work closely with teams to form good working culture and continuously adapt to different working environment. Requirements: Extensive experience in frontend development with React and TypeScript. In-depth knowledge of React, Redux, RTK, Cypress and Storybook. Extensive experience with Cypress and Vitest which focus on test driven More ❯

Social network you want to login/join with: Mid-Senior level React Developer, London Client: Oliver Bernard Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 6 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: Mid-Level Frontend … React Developer - AI Technology Location: 2 days a week in London Would you like the opportunity to work for a game-changing AI company based in London? This is an exciting opportunity for a Mid-level React Developer to join an organization … creating significant value for their customers. As a Mid-level React Developer, you will work alongside and be guided by their lead Frontend Engineer, focusing on enhancing and optimizing their analytics platform. You will have the chance to develop exciting and user-friendly web applications. Requirements More ❯

Mid-Level Frontend React Developer - AI Technology Salary: £50,000-80,000 Location: 2 days a week in London Mid React Developer - would you like the opportunity to work for a game-changing AI company based in London? This is an exciting … opportunity for a Mid-level React Developer to join an organisation creating significant value for their customers. As a Mid-level React Developer, you will work alongside and be guided by their lead Frontend Engineer, working on enhancing and optimising their analytics … user-friendly web apps. Requirements: At least 3+ years of experience building scalable and reliable Frontends in an agile manner. High proficiency with JavaScript, React/Redux. Experince with Python and Node.js are beneficial. If you're a Mid-level React Developer who has a More ❯

Social network you want to login/join with: Senior React Developer (TypeScript) – Build Complex Energy Platforms, west london col-narrow-left Client: GL Global Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views … Posted: 04.06.2025 Expiry Date: 19.07.2025 col-wide Job Description: Senior React Developer (TypeScript) – Build Complex Energy Platforms Are you a React expert ready to take on high-impact, data-intensive challenges? Join a leading organisation in the energy sector, building robust internal … complex data streams, and delivering powerful tools that help ensure the stability of the energy grid. Design and deliver scalable front-end systems using React, TypeScript, and Next.js Work with large datasets and integrate secure APIs/microservices Modernise and refactor legacy codebases to enterprise standards Collaborate in a More ❯

Senior React Developer Location: Becrypt Head Office (London)/Remote Responsible to: Architect, Device Management About Us: Becrypt are an agile London-based UK SME with 25 years cyber security expertise. We provide High Assurance cyber security products and services. Job Purpose: We … committed to work collaboratively, solving problems as a team, providing sophisticated designs and yield quality products. Principal duties and responsibilities: Develop, test and maintain React components for user interfaces, while also implementing backend logic, including cryptographic operations, RESTful API interactions and other related tasks Take ownership of front-end … Employee referral scheme Additional Information: Role will be subject to an employment screening process and will require security clearance Tagged as: coding, electri, javascript, react developer, react.js, sdlc, typescript #J-18808-Ljbffr More ❯

Senior React Native Developer Location: 2-3 days a week in London Join a leading FinTech organization with over 300,000 active users as a Senior React Native Developer, supporting Web, iOS, and Android applications. Be … those who enjoy working on greenfield products within a large engineering team (75+ members). Essential Skills: Experience with cross-platform mobile development using React Native. Proficiency with Github, Jira, and Confluence. Experience mentoring and supporting engineers. Experience scaling products from zero to hundreds of thousands of users is … a plus. If you're passionate about greenfield development, apply now. Additional Details: Seniority level: Mid-Senior level Employment type: Full-time Job function: Information Technology Industry: Software Development #J-18808-Ljbffr More ❯

Senior React Developer - Front Office, Real-Time Visualisation sought by leading investment bank based in Canary Wharf. **Inside IR35 - 3 days a week on site** We are seeking an experienced React Developer to join our front office development team. … real-time user interfaces with exceptional attention to detail and a focus on low-latency rendering. This role requires a deep understanding of modern React architecture, structured coding principles, and UI/UX best practices. Key Responsibilities Design and implement complex, real-time dashboards and interactive UIs for mission … experience with React.js and modern JavaScript (ES6+) Proven experience building low-latency, real-time user interfaces (trading platforms, analytics dashboards, etc.) Deep understanding of React performance optimization techniques (virtualization, memoization, code splitting) Experience with state management solutions (Redux, MobX, Recoil, or similar) Proficiency with WebSockets or other real-time More ❯

Senior Fullstack Developer (React, Node.js) Salary: £75,000 - £95,000 Location: Hybrid in London. Senior Fullstack Developer - would you like the opportunity to work for a market leading organisation, currently delivering to over 150 countries worldwide? You … a Senior Fullstack developer, you will be joining one of their Fullstack development teams working on Node.js and React, building out their suite of business applications and APIs. The company has grown significantly in the last few years and are looking for someone … their brand, with exciting projects due over the next year or so. You will have an in-depth understanding of JavaScript and Node.js/React and have some experience of coaching or mentoring teams in the past. Essential skills for a Senior Fullstack Engineer: Fullstack JavaScript More ❯

Senior Fullstack Developer (React, Node.js) Salary: £75,000 - £95,000 Location: Hybrid in London. Senior Fullstack Developer - would you like the opportunity to work for a market leading organisation, currently delivering to over 150 countries worldwide? You … a Senior Fullstack developer, you will be joining one of their Fullstack development teams working on Node.js and React, building out their suite of business applications and APIs. The company has grown significantly in the last few years and are looking for someone … their brand, with exciting projects due over the next year or so. You will have an in-depth understanding of JavaScript and Node.js/React and have some experience of coaching or mentoring teams in the past. Essential skills for a Senior Fullstack Engineer: Fullstack JavaScript 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 … 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 … 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 More ❯

Social network you want to login/join with: Senior Frontend Developer - TypeScript, React, london col-narrow-left Client: Oliver Bernard Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 25.05.2025 Expiry Date … 09.07.2025 col-wide Job Description: Senior Frontend Developer – TypeScript, React 2-3 days p/week in London Up to £90k Would you like the opportunity to join an early-stage start-up who are looking to revolutionise the logistics space? They recently … closed a round of funding and are now seeking a Senior Frontend Developer, who’s confident working with React and TypeScript. As a Senior Frontend Developer, you will be responsible for taking their product to the next More ❯

Senior Frontend Developer – TypeScript, React 2-3 days p/week in London Up to £90k Would you like the opportunity to join an early-stage start-up who are looking to revolutionise the logistics space? They recently closed a round of funding … and are now seeking a Senior Frontend Developer, who’s confident working with React and TypeScript. As a Senior Frontend Developer, you will be responsible for taking their product to the next level. You will be directly … in a small team. Happy to consider any profile with 3+ years’ experience Degree background would be a bonus If you’re a Senior Frontend Developer looking to have an impact in an early-stage start-up, please apply. More ❯

Senior Frontend Developer – TypeScript, React 2-3 days p/week in London Up to £90k Would you like the opportunity to join an early-stage start-up who are looking to revolutionise the logistics space? They recently closed a round of funding … and are now seeking a Senior Frontend Developer, who’s confident working with React and TypeScript. As a Senior Frontend Developer, you will be responsible for taking their product to the next level. You will be directly … in a small team. Happy to consider any profile with 3+ years’ experience Degree background would be a bonus If you’re a Senior Frontend Developer looking to have an impact in an early-stage start-up, please apply. More ❯

Social network you want to login/join with: Senior Fullstack Developer (React, Node.js), london (city of london) col-narrow-left Client: Oliver Bernard Location: london (city of london), United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job … Views: 3 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Location: Hybrid in London. Senior Fullstack Developer - would you like the opportunity to work for a market leading organisation, currently delivering to over 150 countries worldwide? You will be joining a technology team … a Senior Fullstack Developer, looking to work for a market leading organisation and enjoy working with Node.js/React, please apply. #J-18808-Ljbffr More ❯

with your recruiter to learn more. Base pay range Senior Full Stack Developer/Software Engineer (Java JavaScript React) London to £80k Well established trading brokerage is seeking a Senior Full Stack Developer as they expand into … developing high quality, scalable and secure trading applications, working across the full tech stack from Java on the backend through to JavaScript/TypeScript, React and React Native front end work. Location/WFH: You'll join a team of finance entrepreneurs and technologists in City based offices … knowledge of best practice and the full software development lifecycle You have full stack development experience including Java, JavaScript and/or TypeScript and React and/or React Native You also have experience with Spring Boot, SQL/NoSQL databases and REST APIs You are degree educated 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 … 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 More ❯

retain the most talented people from a diverse candidate pool and we're hiring! We are looking for an experienced Senior React Native Developer to help build out a groundbreaking FinTech application from the ground up, which will become a critical piece of … For coordination purposes, it is preferred that you are located and working within the GMT-PST time zones. Responsibilities Develop and launch a new React Native application Collaborate with Product, Design, and Engineering to define, prioritize, and build FinTech/Web3 features Collaborate with backend and smart contract developers … with Design to implement a user friendly experience Requirements 3+ years of experience with mobile development in production environments 2+ years of experience with React Native development Strong expertise with iOS native development (using Swift/Objective-C and their development tools) and/or Android native development (using More ❯

Senior Full-Stack React Native Developer (Hybrid | London | 3 Days On-Site) – up to £125k I am looking for a Full-Stack React Native Developer with experience developing cross platform applications, as well as backend experience using Node and … GraphQL. This will be working in a small team, developing new features and scaling the application. Key Skills: React Native Expo Node GraphQL AWS If this role is of interest, please apply with an updated copy of your CV. Senior Full-Stack React Native Developer More ❯

Senior Full-Stack React Native Developer (Hybrid | London | 3 Days On-Site) – up to £125k I am looking for a Full-Stack React Native Developer with experience developing cross platform applications, as well as backend experience using Node and … GraphQL. This will be working in a small team, developing new features and scaling the application. Key Skills: React Native Expo Node GraphQL AWS If this role is of interest, please apply with an updated copy of your CV. Senior Full-Stack React Native Developer More ❯

Mid - Senior level Full Stack Ruby developer - React Location: Central London (2 times a month) Salary: £60-80k + Benefits About my client: a profitable SaaS business with a strong foundation and exciting growth prospects. As a long-term client of Opus … Level Full Stack Developer with 3-5 years of experience to join their team. You will be working with Ruby and React to develop and enhance our innovative products. Responsibilities: Develop and maintain web applications using Ruby and React. Collaborate with cross-functional teams to define More ❯