19 of 19 Senior React Developer Jobs in London

Senior React Developer (Contract) Remote | 6-Month Contract | High-Scale Regulated Platform We're hiring a Senior React Developer to support the build and evolution of a large-scale, highly regulated digital platform in the payments … regulated environments and contributing immediately to complex, production-grade systems. What You'll Be Doing Building and maintaining enterprise-grade front-end applications using React and TypeScript Working within a regulated environment (payments, fintech, banking, betting, or similar) Collaborating with backend engineers, product, and QA teams in a distributed ...

Senior C# and React Full stack Developer | Front Office Trading House | £140,000 + Strong bonus | Hybrid working, LDN Senior C# and React, full stack Developer is needed for a London City based Hedge Fund … technology-powered by data platform, market access and infrastructure services to clients, are looking to hire a Senior, Front Office, React front end and C# back end Engineer to work exceptionally closely with the trading desk, helping to build out a Greenfield Trading system. Involvement from ...

Title : Senior React Developer Client : Elite FinTech Firm Salary : Up to 180k Base + Exceptional Bonus Location : London (Hybrid Working) Sells : Cutting-edge tech, a collaborative and flat-structured environment, beautiful office spaces My client is looking for talented React Developers … that is scalable, robust and maintainable. Successful Candidates: Bachelor's or Master's Degree in Computer Science or related field Strong experience as a React Developer Experience in commodities trading is a bonus Strong written and verbal communication skills, enabling effective collaboration and information sharing ...

Title : Senior React Developer Client : Elite FinTech Firm Salary : Up to 180k Base + Exceptional Bonus Location : London (Hybrid Working) Sells : Cutting-edge tech, a collaborative and flat-structured environment, beautiful office spaces My client is looking for talented React Developers … that is scalable, robust and maintainable. Successful Candidates: Bachelor's or Master's Degree in Computer Science or related field Strong experience as a React Developer Experience in commodities trading is a bonus Strong written and verbal communication skills, enabling effective collaboration and information sharing ...

Senior React Native Developer - Remote - £80,000 Are you ready to take full ownership of mobile app development at a fast growing, tech driven security company that’s redefining an entire industry? limitless is partnered exclusively with a leading UK tech-enabled security … mobile engineer role where your decisions shape the greenfield app, the architecture, the workflow, and the future team. If you’re excited by React Native, modern tooling, innovation, and meaningful product work - you’ll feel right at home. - 4+ years building production level mobile apps. - Deep familiarity with ...

Senior React Native Developer - Remote - £80,000 Are you ready to take full ownership of mobile app development at a fast growing, tech driven security company that’s redefining an entire industry? limitless is partnered exclusively with a leading UK tech-enabled security … mobile engineer role where your decisions shape the greenfield app, the architecture, the workflow, and the future team. If you’re excited by React Native, modern tooling, innovation, and meaningful product work - you’ll feel right at home. - 4+ years building production level mobile apps. - Deep familiarity with ...

Senior Frontend Developer – TypeScript, React 2 days p/week in London Up to £100k 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 … 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 responsible for developing ...

Senior Frontend Developer – TypeScript, React 2 days p/week in London Up to £100k 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 … 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 responsible for developing ...

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 … 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 ...

Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground up and currently expanding their team … + bonus + benefits 📍Located in London City, St Paul's, with 3 days per week from the office 🧑React.Js, React Hooks, TypeScript Responsibilities of the Senior Frontend Engineer (React.js): Designing, coding, and testing all components of modern web applications. Contribute to the overall architecture ...

Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground up and currently expanding their team … + bonus + benefits 📍Located in London City, St Paul's, with 3 days per week from the office 🧑React.Js, React Hooks, TypeScript Responsibilities of the Senior Frontend Engineer (React.js): Designing, coding, and testing all components of modern web applications. Contribute to the overall architecture ...

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking … 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 ...

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking … 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 ...

Senior C# & React Full Stack Developer – Front Office Trading (Energy Team) £140,000 + Strong Bonus | Hybrid (London) A London-based Hedge Fund is seeking a Senior Full Stack Developer (C#, React) to join their Energy … requirements into robust solutions. Contribute to CI/CD pipelines, DevOps practices, and agile delivery. Required Experience 6+ years building event-driven UIs with React/TypeScript. 6+ years developing back-end services in C# . Strong database knowledge (SQL Server, MongoDB, Postgres). Proven exposure to front-office ...

Senior Software Developer (Contract) Duration: 3 months Rate: Outside IR35 Location: 90% Remote (occasional on-site as required) About the Role We are seeking an experienced Senior Software Developer on a short-term contract. This role is ideal … workflows using GitHub . Contribute to UI development and AWS-hosted environments. Required Skills & Experience Deep expertise in one or more primary languages: React, Node.js, Python , and CI/CD Scripting. Strong knowledge of Infrastructure-as-Code (Terraform, CloudFormation). Proven experience with secure coding practices and threat modelling. ...

Senior/Lead Hands on Full Stack Developer - React/Python London Hybrid (4days in the office and 1 day from home) £110,000+ Equity Full-Time Start-up We're a high-growth start-up building a leading healthcare! Looking … Full Stack developer who loves working across the stack - React on the front end, Python on the back end click apply for full job details ...

Senior UI/UX Designer & Frontend Developer – Mobile, Figma, JavaScript, React - Global Outstanding opportunity to join this global enterprise and famous brand within the ‘magic circle’ of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly … Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both ...

Senior UI/UX Designer & Frontend Developer – Mobile, Figma, JavaScript, React - Global Outstanding opportunity to join this global enterprise and famous brand within the ‘magic circle’ of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly … Senior UI/UX Designer & Frontend Developer with a genuine combination of design (Figma, Adobe) and development (JavaScript, React) experience to join a team building a highly innovative, mobile first, AI powered SaaS product. You will design and develop user interfaces for both ...

fueled by purpose. The combination of this will lead to a truly differentiated experience for you. If this excites you, then apply below. Senior Frontend Engineer (Lead Frontend Voice) We're looking for a Senior Frontend Engineer to take ownership of the frontend architecture … fast-paced startup environment What you bring Must-haves Many years of experience as a Frontend Engineer or similar Strong experience with: React & Next.js TypeScript Tailwind CSS or modern styling approaches Proven experience building systems from scratch (greenfield) Deep understanding of frontend architecture and state management Experience working closely ...