976 to 1,000 of 1,001 React Jobs in London

Consulting Limited is looking for a skilled React UI Developer to join their team in London on a hybrid work basis. You will be responsible for designing front-end components that integrate seamlessly with back-end systems and continuously reviewing the services for improvements. The ideal candidate should have over … years of experience in React and TypeScript, along with strong software engineering design capabilities. You will influence the product roadmap and help develop the team’s coding practices. #J-18808-Ljbffr ...

Payments in London is seeking a Senior Frontend Engineer to join the Technology team. You will own the design and implementation of a React-based SPA that orchestrates complex forms and onboarding flows for clients and sub-accounts. We expect strong React/TypeScript experience, deep form engineering ...

Validus Risk Management Limited is seeking a talented front-end engineer to enhance our React-based web applications and contribute to a modern, AI-assisted development workflow. You will work within a fintech-focused tech team, delivering features across trading, risk, and portfolio applications with a strong emphasis ...

activations, working onsite in Central London on Tuesdays and Thursdays. You’ll bring 4+ years in frontend WebGL development, strong JS (Node/React), ThreeJS, and a portfolio showing creative, interactive work. #J-18808-Ljbffr ...

will collaborate with UX/UI, Back End teams and stakeholders to deliver accessible interfaces in a mission-critical environment. Role requires strong React/TypeScript expertise, experience with REST APIs, and a secure delivery mindset. Current DV clearance and four days onsite at an MOD location are mandatory. #J ...

also have direct contact with clients to tailor solutions that meet their needs. We're seeking candidates with over 6 years of experience in React and TypeScript, and a collaborative mindset. Enjoy competitive compensation from $80K to $180K, flexible hours, and an impactful startup environment. #J-18808-Ljbffr ...

websites that meet strong accessibility guidelines Experience building scalable, performant sites that handle high levels of traffic well Desirable: energy domain knowledge Our stack React (required) TypeScript (required) Next.js on Vercel (desirable) GraphQL w/Tanstack Query (desirable) React Testing Library & vitest and/or msw (desirable) We have ...

Full Stack Developer/Go/React/TypeScript/Real Time Data Permanent At Dexory, we are transforming the warehousing and logistics industry through data intelligence. We’re currently recruiting for a full stack developer to join our Platform Engineering team, the versatile group responsible for the internal tooling … maintain software systems and internal APIs that support our robotics operations and data processing pipelines. Interfaces for engineers and operators: build data-dense React and TypeScript interfaces that make large volumes of telemetry and scan data legible and fast to work with. Backend proficiency: hands-on experience building backend services ...

building AI-powered cybersecurity products. Задачи: Own products end-to-end, from customer problem through to production Design complex backend architecture and systems Ship React interfaces Build internal developer tools and agentic consoles Improve databases and handle systems programming Debug production and deploy continuously Help shape the product and engineering … level technical sophistication beyond routine maintenance tasks Verifiable track record of technical contributions and honest project claims, such as active GitHub or OSS presence React experience or willingness to work across the frontend Startup mentality with genuine product ownership Around 3-6 years of experience focused on engineering depth Candidates ...

backend logic and data Domain Translation - Translate messy real-world processes into clear, intuitive software Frontend - Build production-grade UI using modern frontend frameworks (React, TypeScript) Backend - Implement APIs, business logic, and data models that support complex workflows AI Integration - Design and integrate AI-powered features (LLMs, agents, model-backed … polish to backend logic to jumping on customer calls WHAT WE ARE LOOKING FOR TECHNICALLY Strong experience with TypeScript and modern frontend frameworks (React or equivalent) Comfortable building backend services in Python Experience integrating AI systems (LLMs, agents, model-backed APIs) into production products Ability to reason about complex workflows ...

naturally to accelerate your work, but you understand what you are building and can explain your decisions. You’ll have Strong React and TypeScript skills, with examples of interfaces or product experiences you have built or materially improved. Enough backend, API, and database experience to work across the stack, even … ambiguous problem into a useful product. Strong communication skills and the ability to collaborate with technical and non-technical colleagues. Our current stack React and TypeScript Supabase and Postgres n8n and BigQuery Netlify Modern AI models, APIs, and development tools You don’t need experience with every technology listed. ...

need to be a specialist in everything, but you can't have a lane you refuse to leave. Our stack is Kotlin and React, and this role leans backend. If you're strong on the backend and curious about the rest, that works. You care about data integrity. You think … Background in high-growth startups where everything was still being figured out Our Tech Stack We build on AWS, with a Kotlin backend, a React frontend, and infrastructure managed in Terraform. It's a real production system that global finance teams depend on every day. The integration layer ...

Frontend Engineer - EnergyOur client is hiring a Frontend Engineer to help build the software that their customers interact with directly, as they continue to scale their product and technology function. We have already recruited 3 ...

Validus Risk Management is seeking a Front-end Engineer to join our React-based web applications. You will contribute to the Horizon platform by delivering features, improving UI/UX, and collaborating with quants, back-end, and platform engineers. The role emphasizes TypeScript/React expertise, state management with Zustand ...

Bank of America is seeking a hands-on Lead UI Developer for the Single Dealer Platform in Bromley. You will own the React/TypeScript codebase, apply RxJS patterns, and build low-latency, real-time front-end features for market data, RFQ, orders, and trade capture. You will collaborate closely ...

helping them understand, manage, and reduce delay risk in some of the world's largest construction projects. Задачи Design and ship new experiences across React applications to help customers navigate complex information and make better decisions; Identify opportunities, challenge assumptions, evaluate trade-offs, and take features from concept to production … Participate in the support rota during working hours. Требования 5+ Years of professional frontend engineering experience; Strong experience with modern JavaScript/TypeScript and React; Experience working with GraphQL and REST APIs; Experience writing unit tests; Ability to leverage AI coding tools for rapid iteration; Security awareness and comfort operating ...

seeking a Full Stack Developer to join our Platform Engineering team. You’ll work across the Go service ingesting telemetry from robots and the React/TypeScript interface used by engineers, delivering features end-to-end. Based with offices in Wallingford and Oxford, this permanent role is on-site circa ...

seeking a Senior Frontend Engineer to join the Technology department in London. You will own front-end components and complex forms in a React 18/TypeScript environment, focusing on onboarding clients and accounts with KYC/KYB workflows. You will design, implement, and own features end-to-end, ensuring ...

moving team. You’ll own features end‐to‐end, shape frontend architecture, and work closely with CPTO, engineering and product. The stack centers on React and TypeScript; MobX and Tailwind are advantageous but not required. The role offers up to £100K salary plus share options, with one fixed in‐person ...

team building, enhancing and maintaining customer-facing web applications at scale. The role is hands-on, focusing on modern web technologies such as TypeScript, React and Next.js, with a strong emphasis on delivering high-quality software and responsive UX. Remote work is available for an initial 3-month engagement. #J ...

various stakeholders to create high-performance user experiences that are critical to trader operations. The ideal candidate will have extensive hands-on experience with React and TypeScript, alongside a solid understanding of modern front-end engineering practices. Join us and influence our engineering excellence while ensuring compliance with security standards. ...

leading digital destination for luxury—where exclusivity, value, and exceptional design converge. What We’re Looking For We're looking for a Senior React Native Engineer to join our core engineering team. This is a high-impact, high-ownership role: you'll be building the mobile experience that defines what … payment confirmation. This role is for someone who holds themselves and their work to an unusually high standard. If you've spent years making React Native apps feel indistinguishable from native, care deeply about interaction quality, and know the difference between code that works and code that's right — this ...

impact role suited to someone who can rapidly bring a prototype from concept to execution while choosing robust, reusable abstractions. Key Skills Core technologies: React, Typescript, Vite, Tailwind CSS, gRPC/protobuf. 3D (desirable): Experience with visualising data in 3D (e.g. Three.js, React Three Fiber, WebGL, Deck.gl ) Real-time data ...

Coram AI is building a cloud-native video intelligence platform that ingests and processes video and sensor data at scale. You will design, implement, and scale backend services while delivering AI-powered features and robust ...

Bank of America in Bromley is seeking a hands-on Lead UI Developer to own the React/TypeScript codebase for the Single Dealer Platform, delivering low-latency, real-time trading interfaces used by Sales, Trading and institutional clients. You'll drive front-end architecture, implement RxJS reactive patterns, ensure ...