76 to 95 of 95 React Jobs in Central London

TheOpportunity Wearepartneringwithaninnovativeandfast-growingtechnologybusinesstorecruita SeniorFrontendDeveloper withdeepexpertisein ReactandReactNative . Thisisakeyhirewithintheengineeringteam,suitedtosomeonewhocan takeownershipofcorefrontendareas ,workindependently,andconfidentlydelivercomplexfeaturesfromdevelopmentthroughtorelease. KeyResponsibilities Developandmaintain webapplications(React/Next.js) and mobileapps(ReactNative/Expo) Takeownershipoffeaturesfromconceptthroughto productionrelease(includingAppStoredeployment) Designandimplement robustfrontendarchitectureandintegrationlayers Manageauthenticationflowsusing MSAL Collaboratecloselywithbackendteamsworkingon Node.jsmicroservices Supportdeploymentandconfigurationacrossenvironmentsusing Azure KeyRequirements 5+yearscommercialexperiencewithReact Strongcommercialexperiencewith ReactNative Provenexperiencedelivering mobileappstotheAppStore Experiencewith Next.js (essential) Experiencewith Expo (highlydesirable) Strongknowledgeof MSALandauthenticationflows Experienceworkingwith Azure ...

Senior Frontend Engineer React, RSC, Async, Typescript, Serverless, Playwright Outstanding permanent opportunity to join this global, market leading, B2B SaaS tech business as a Senior Frontend Developer/Senior React Engineer with extensive experience in React, Typescript, Javascript, HTML and CSS click apply for full job details ...

frontend-strong engineer who wants real ownership, autonomy, and the chance to build products from scratch. They are looking for someone with strong React and TypeScript capability, alongside solid backend exposure across Python, APIs, and databases. As a Senior Product Engineer, Full Stack, you will play a key role … suited to someone who enjoys pace, autonomy, and being trusted to deliver. What you will be doing Building customer-facing products from scratch using React, TypeScript, and modern frontend tooling Owning frontend quality, user experience, and engineering standards Contributing across the stack, including backend integrations, APIs, product logic, and Python ...

design system – define the visual language, build reusable primitives, and maintain the libraries that power every interface. Ship pixel‐perfect UI in React, with real ownership of theming, performance and motion. Make performance a feature – instrument Core Web Vitals, set bundle budgets, optimise hydration patterns and chase performance where … every engineer can contribute to the front end at your level. The split is roughly 70–80% front end, 20–30% back end (Node, React‐router, SvelteKit) — enough to remove performance bottlenecks without being a full‐stack role. Who you’ll work with You’ll report directly to the technical ...

solving for the patient?” before you ask “what stack are we using?”. You’re comfortable in TypeScript and at home in React/React Native/Node (or similar), and you like working across the stack rather than being boxed into a narrow layer. You enjoy fast feedback loops … build. If that sounds like you, there’s a London‐based healthtech scale‐up you’ll probably love. They’re building a single React Native/TypeScript platform that powers GLP‐1 weight loss journeys across the UK and US markets, aiming to reduce the burden of obesity, diabetes ...

Founding Engineer/Developer (C# React AI) London/WFH to £140k Are you a technologist who enjoys building systems from scratch, looking for a new opportunity to get stuck into? You could be progressing your career in a Founding Engineer role at a scaling tech start-up that … enhanced smart workflow and orchestration platform for Private Equity firms. As the Founding Engineer you'll take the MVP, built in C# with React frontend, hosted on AWS, through design and development phases into pilots and launch, bringing development in-house, iterating rapidly with design partners and shaping the product ...

Full Stack Software Engineer (C#/React) – Broadcast & Video Technology Location: London Area - Hybrid Full-Time Contract Rates: Negotiable We are looking for a versatile Full Stack Software Engineer to join our engineering team working on cutting-edge solutions in the broadcast and media technology space . This role combines … features across backend services and frontend applications Building and maintaining scalable APIs and microservices Developing intuitive and performant user interfaces using React Working with event-driven architectures and distributed systems Supporting and troubleshooting production systems Collaborating with engineers, product teams, and stakeholders to deliver high-quality solutions Contributing ...

days onsite) About the Role Seeking a Middleware Backend Engineer with hands-on experience in Shopify Hydrogen framework and expertise in Golang, ReactJS, AWS services, and microservices architecture. Responsibilities Implement UI designs by integrating Figma Mark into projects. Develop scalable backend services using Golang, NestJS, and TypeScript. Work with PostgreSQL … manner. Continuously explore and adopt new technologies to improve development efficiency and product quality. Required Skills Experience with Shopify Hydrogen framework. Proficiency in Golang, ReactJS, and TypeScript. Familiarity with AWS services. Experience with microservices architecture. Preferred Skills Experience with PostgreSQL and DynamoDB. Knowledge of GraphQL APIs. Experience with Docker. ...

ownership of real-time video and data delivery across our digital content platform. Build and maintain frontend interfaces in TypeScript/React as needed, internal tooling means this is a lighter, cross-functional responsibility. Integrate LLM APIs and AI-powered workflows into product functionality, and leverage AI coding assistants … experience building backend services and distributed systems. Ability to read, understand, and contribute to Java-based systems. Frontend experience with modern frameworks such as React, Vue, Svelte, or similar technologies. Hands-on experience integrating LLM APIs from leading providers. Regular use of AI tools and coding assistants to increase development ...

Full Stack Software Engineer - TypeScript/React | Start Up | Industrial Automation We are looking for highly motivated Full Stack Software Engineers to join a fast-growing industrial tech startup focused on reinventing manufacturing. You will play a central role in building and scaling their proprietary platform, transforming factory operations … looking for 2–6 years of full-stack software development experience, exceptions made for exceptional talent. Strong programming skills, ideally in TypeScript and React, with experience in Postgres, AWS, Terraform, and DevOps. Ability to work independently in a high-autonomy environment. Experience translating operational challenges into impactful software solutions. Bonus ...

manage, and mitigate risks effectively. Their platform offers software solutions that support enterprise risk management, compliance management, health and safety, and incident reporting. Stack: React, Node, Nextjs, AWS Responsibilites: Develop and maintain responsive web applications using React and Next.js for frontend development. Write scalable, reusable, and efficient TypeScript code ...

shaping how the product evolves based on real user needs What you will do: 🛠️ Build and deploy full stack TypeScript applications (Node.js + React) tailored to customer use cases 🤝 Work closely with customers to understand workflows, gather requirements, and implement high-impact solutions 🔁 Own end-to-end delivery , from scoping … production deployment 🌉 Act as the bridge between users and the core product team , feeding insights back into the roadmap Tech Stack: ⚙️ TypeScript (Node.js, React), Next.js, GCP, Postgres, Terraform What we are looking for: 💻 Strong full stack engineering experience in TypeScript/Node.js/React (2+Years Exp) 🎓 Top-tier education ...

impact of your work on a product used by a large and rapidly growing customer base. The stack: TypeScript across front and back end React on the frontend Node.js on the backend Cloud-native infrastructure (AWS) What they're looking for: Strong full stack experience with TypeScript and React Someone ...

directly with Trading, Quant, and Technology colleagues across London, Hong Kong, and New York, contributing to a modern technology stack that includes TypeScript/React UI, C# services, PostgreSQL, and pricing services integrating with quant libraries. Required Skills & Qualifications: Strong experience in C# and modern backend development. Solid understanding … with distributed systems or real-time data processing. Prior exposure to global teams and cross-time-zone collaboration. Day-to-day of the role: React/TypeScript UI (20%): Real-time risk visualisation, scenario tools, trader workflows. C# Backend Services (30%): Pricing requests, risk aggregation, workflow orchestration. PostgreSQL (20%): Schema ...

Role: Software Developer (React) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: React as a main language (modern JavaScript/TypeScript) This firm is an elite technology company with exceptionally high standards , known for pushing boundaries … Some of the highest-performing and most complex front-end platforms in the world Building highly responsive, scalable, and elegant UIs using modern React Collaborating with a handpicked group of top-tier engineers across frontend, backend, and infrastructure What else is in it for you? Software Engineers are treated ...

Ruby Developer (Ruby, Rails, PostgreSQL, REST API's, AWS/Heroku, ReactJS) - Fully Remote* (Two meet ups per year) - Open to applicants in the UK only - Award Winning Legal Platform - £65,000 - £75,000 G.R.E. Recruitment is delighted to partner with an award-winning legal technology provider who are continuing … years Ruby development experience Experience of developing REST API's Someone who is happy to work across the full stack and take on some ReactJS work on the Front-end, they will consider developers who have worked with Angular or VueJS but ReactJS is preferred. Strong English speaking skills Someone ...

product and architectural decisions Build and lead out tech team as we grow Required Skills & Experience 3+ years commercial full-stack experience Strong React.js component architecture, state management, hooks Strong Node.js REST API development, authentication, middleware PostgreSQL schema design, query optimisation, migrations Multi-tenant SaaS architecture data isolation, permissions … architectural decisions independently Third-party API and webhook integration experience Desirable Skills & Experience B2B SaaS, internal tooling, or enterprise software background PDF generation Puppeteer, React-PDF or similar Browser automation TypeScript Cloud hosting AWS, GCP or similar Redis or caching experience What We Offer Base salary, £45-60k Healthy ...

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 ...

Frontend Developer will be needed for supporting on all frontend projects - you'll be working with new and existing customers. Typical frontend stack with React and Typescript. Followed with Styled Components, Playwright and Vitest. Experience Needed Highly experienced Frontend Developer with over 5-7 years experience React, Typescript, Tailwind, Styled ...

small, collaborative team What you’ll be doing You’ll work across both backend and frontend systems, primarily using Python and either React or Vue. There’s flexibility to lean into your strengths, but you’ll have ownership across the stack. What they’re looking for 3–7 years’ experience … full-stack development Strong skills in Vue/React or Python Interest in AI-driven products or “AI-native” thinking If you want to join an early-stage company where your work directly shapes the product, this is a great opportunity to get involved early. Full-Stack Engineer (Mid-Level ...