301 to 313 of 313 React Jobs in London

ship, you own it, you improve it ✅ Comp that reflects the level, up to £136,000 (Senior) | up to £177,000 (Staff) The stack: React, TypeScript, design systems, component libraries, data-heavy UIs. If you've worked with graph-based visualisation or complex dashboards, even better. Who they're looking … Senior FE Engineers 5+ years, strong React/TypeScript, care about craft and performance → 1x Staff FE Engineer ready to own architecture, mentor others, and shape the frontend org This isn't a role for someone who wants a quiet life. It's for engineers who want complexity, ownership ...

Principal Developer - React, NestJS, Azure, Java Hybrid, London | 6-Month FTC | £85k-£95k DOE Robert Half are working with a leading client who are an innovative leader in tech-driven solutions, and are seeking a Principal Developer for a 6-month fixed-term contract to join their IP Development team … ensure technical excellence across high-impact projects during the sabbatical of the permanent postholder. Key Responsibilities: Set architectural direction for modern web applications using React, NestJS, Azure, and Java. Define and uphold engineering standards for performance, scalability, availability, and resilience. Guide cross-functional teams in technical strategy, integration, and security. ...

product teams Delivery & Hands-On Engineering Lead by example with high-quality contributions across the full stack Develop performant, accessible front-end features using React (Vite) + Tailwind Design and ship scalable APIs using Node.js, Express, and tRPC Maintain and improve PostgresQL database and query performance Work closely with … platforms Experience leading technical architecture or system design initiatives Experience mentoring or managing engineers Strong experience with our stack (or strong adjacent experience): Frontend: React (Vite), Tailwind Backend: Node.js, Express, tRPC Databases: PostgreSQL, Elasticsearch ➕ Desired Experience Working in PropTech or data-heavy product environments Prior experience building or scaling engineering ...

ensuring the frontend experience is world-class. You’ll: Build & Own: Lead the development of new features across the entire stack (Node/Python, React, and Postgres). AI Integration: Design and build the interfaces and APIs that allow our users to interact seamlessly with LLMs and conversational agents. Product … technical architecture from the ground up as we grow. What We’re Looking For The Full Stack: Strong experience with modern frontend frameworks (React) and backend environments (Node.js, Python, or similar). Startup DNA: You are comfortable in a fast-moving, seed-stage environment where you often have to figure ...

interactions—that define the next generation of the Nothing OS experience. Translate wild, experimental concepts into robust, production-grade full-stack applications using Next.js, React, and Node/Python. Optimise the "feel" of AI; you will obsess over latency, real-time performance, and the micro-interactions that make a digital … user's hands is worth infinitely more than perfect code on your local machine. Technical Excellence: You bring battle-hardened experience with React and Next.js, backed by strong backend skills in Node.js or Python. You know your way around microservices and cloud-native infrastructure. A Drive ...

React Developer Remote with very occasional client visits £400pd to £440pd - Outside IR35 3 - 6 month contract Our client, an established and successful Consultancy are looking for a number of mid-level Developers to join them on a contract basis With head offices in the north ...

Technical Lead Engineer - React/AI We are: Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster … good fit for the role: Must-have Skills Experience leading teams and direct contact with client 8 years + working with React and TypeScript Demonstrated expertise in adapting to different full-stack environments. Strong Software Engineering fundamentals AI knowledge an experience. Nice-to-have: AI Tooling Proficiency : Leverage ...

Contract Job Description: Experience in delivering E-commerce solutions. Design and development experience in eCommerce. 10+ years of full stack development expertise (Node.js, React.js, Lambda programming, GraphQL, Type Script, workflow) Should have used and enabled AI across design, development and testing. Experience in delivering E-commerce solutions. Design and development … experience in eCommerce. 10+ years of full stack development expertise (Node.js, React.js, Lambda programming, GraphQL, Type Script, workflow usage) Functional knowledge about order orchestration - (order to cash) Should have used and enabled AI across design, development and testing. Functional understanding of Middleware - (Kafka) Experience in delivering E-commerce solutions. Design ...

Senior Full Stack Engineer | London | £120,000 - £160,000+ | Python | React | TypeScript Location: London (hybrid) Salary: £120,000 - £160,000 + equity Tech Stack: Backend: Python (strong typing, well-structured APIs - Django or FastAPI or Flask) Frontend: React, TypeScript Systems: Data modelling, integrations, platform architecture Are you an engineer … some serious momentum. What you’ll be doing: Designing and building well typed backend systems in Python Creating clean, scalable frontend architecture using React and TypeScript Owning data models, schemas, and system design end to end Integrating complex external systems and services into a cohesive platform Taking problems from idea ...

join a fast growing, purpose driven business transforming sustainable employee benefits. Key Responsibilities: Develop, evolve, and maintain our core web application using Ruby, Rails, React, and TypeScript. Collaborate closely with product managers and other stakeholders to deeply understand business needs and translate them into technical solutions. Contribute actively … defined problems, analysing them, and proposing effective technical approaches and solutions. About you: 2+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills with a willingness to contribute across the full stack (frontend, infrastructure, etc.). Proactive and self-driven, able ...

space of time. What they need They are looking for a product-minded engineer who can operate with range. Someone who is: Strong across React and the wider JS/TS stack Comfortable building in ambiguity Able to work independently without needing everything fully defined Naturally curious and proactive Thoughtful … options and technical judgment, not just delivery Likely fit: This is likely to suit someone who has: Around 3+ years of engineering experience Strong React and full-stack JavaScript/TypeScript capability Worked in a startup, small team, or similarly fluid environment Built things independently Genuine comfort with pace, ambiguity ...

Data Intelligence Analyst (3-month Internship) at Mercuria Energy Trading SA via Aubay UK Aubay UK is seeking an Oxford University student to join the Digital Intelligence Team at Mercuria for a 3-month paid ...

Full-Stack Engineer (React/Python/AI) Location: London (Hybrid) Salary: £100,000 + Equity About the Company: An early-stage, well-funded tech startup building AI-powered software to help businesses make smarter decisions and improve operational performance . The team is small, highly technical, and mission-driven … looking for a Full-Stack Engineer to join a fast-moving, collaborative team. You’ll work across the stack — crafting sleek UIs in React , building scalable back-end systems in Python , and collaborating with AI specialists to deliver intelligent, high-impact features. Key Responsibilities: Build and maintain ...