101 to 116 of 116 React Jobs in Berkshire

Your work blends full-stack development, platform architecture, and applied AI , turning research concepts into production-grade infrastructure. You’ll be hands-on across the stack, from TypeScript and React to orchestration, distributed systems, and AI agent tooling, ensuring everything you build is secure, observable, and enterprise-ready. This role demands both breadth and depth ; the curiosity of a researcher … build upon. You understand how modern stacks fit together, from AI pipelines to monorepos, and you enjoy architecting systems that are both powerful and tasteful. Your Hard Skills: TypeScript (React/Express) · RxJS · Tailwind · Docker · Nx/ArgoCD/GitOps · Private Registries TSC · TSX · pnpm/yarn · ESLint · Build Pipeline Hygiene Azure/AWS · IaC (Terraform/Pulumi) Enterprise Architecture More ❯

Founding Software Engineer (React and Python) About the Opportunity You will be joining an elite founding engineering team that includes the world’s number one authority in Multi Agent Reinforcement Learning, seasoned Meta Product leaders, and one of the only people in the UK who has trained a trillion token language model from scratch. This role is based in London … technology critical environments • Deep familiarity with large scale model training and production deployment, especially for reinforcement learning or transformer based architectures • Hands on experience building and maintaining Frontend applications - React, Typescript • Strong programming background in Python and or relevant frameworks such as TensorFlow, PyTorch or Hugging Face • Fluent in cloud native development, containerisation, orchestration (for example Docker or Kubernetes) and More ❯

something with. Proper ownership. Fast cycles, low ceremony, and room to shape architecture while mentoring others. What you’ll work with as a Staff Software Engineer Stack: Python, TypeScript, React, Svelte, PostgreSQL, Snowflake, AWS. Setup: Cross-functional squads that care about outcomes, not ticket-ticking. You’ll improve scalability, evolve architecture, and still ship. I like that balance. Less pontificating … re just curious, I’m happy to share the full brief and talk through fit. Senior Software Engineer London, Staff Software Engineer, Principal Engineer, Fintech jobs London, Python, TypeScript, React, Svelte, PostgreSQL, Snowflake, AWS, scalable systems, distributed systems, hybrid jobs London #hiring #softwareengineering #seniorsoftwareengineer #principalengineer #staffengineer #fintech #londonjobs #python #react #typescript #aws #postgresql #snowflake #careers More ❯

a Mid-Senior Front-End Developer to join our clients' dynamic engineering team, building user-centric web applications that scale to thousands of customers. You will work primarily with React , TypeScript, and modern front-end technologies to deliver responsive, performant, and accessible interfaces. Collaborating closely with designers, backend engineers, and product managers, you’ll turn complex requirements into intuitive, polished … As a senior contributor, you will influence the front-end architecture, enforce best practices, and ensure high code quality across the team. The ideal candidate has professional experience with React, TypeScript, and modern JavaScript frameworks , along with a strong understanding of component-based architecture, state management (e.g., Redux, Zustand, or Recoil), and front-end performance optimization. Experience with RESTful APIs … GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting opportunity to own the front-end experience in a fast-paced, innovative product environment. Requirements & Qualifications 4+ years of professional front-end development experience, with More ❯

and scale backend systems powering payments, returns, personalisation, and more. Lead API-first development , data modelling, and performance optimisation. Build reliable systems in TypeScript , working across the stack with React on the frontend. Own deep integrations with Shopify APIs and third-party services (not just theme edits). Collaborate closely with product and design in a lean, high-impact team. … Embrace automation and AI tooling to accelerate delivery and maintain quality. Tech Stack Languages: TypeScript (core), Python/Ruby (data flows) Frontend: React (preferred), Node.js welcome Infrastructure: AWS Databases: RDBMS (essential), Neo4j (nice-to-have) Integrations: Shopify APIs, payment gateways, fraud tools You’ll Thrive Here If You... Have strong backend engineering fundamentals (schema design, query optimisation, scalable architectures). … scale. Interview Process 30-min culture & tech fit conversation 60–90 min technical scenario interview (no whiteboarding) Offer Ideal for senior full stack or backend engineers with TypeScript/React/AWS experience who want to shape architecture at a growing, product-led company. More ❯

Country-wide data tools through large-scale scraping + mapping -> Hardware integrations (e.g. bluetooth laser measures, sensors) -> Offline-first/PWA apps for installers on the move Tech Stack: -> React, TypeScript, Konva, Tailwind -> Node.js, PostGREST, Prisma -> PostgreSQL/PostGIS, Docker, Atlas -> (Sunsetting Python + FastAPI) Requirements for Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days … Per Week | £50K - £110K + Healthy Equity -> 2+ years commercial experience -> STEM Background -> React + TypeScript (you’re confident building fast, dynamic UIs) -> SQL and relational database design -> RESTful APIs and distributed systems -> Scalable and secure architectures -> Owning features end-to-end, from shaping the product idea to shipping the code. Type of engineer for Carbon Emission/Green Tech More ❯

Graduate Software Engineer - JavaScript/React/Node | £40–50K | Camden (Hybrid) Join a VC-backed AI SaaS startup that's helping chemical and cosmetics companies launch products globally - solving complex regulatory problems through software. They've raised £3M seed, hit £500K+ in revenue, and are building an all-star team of devs from top UK universities. You’ll work … Have a 1st class degree from Imperial, UCL, Cambridge, Oxford, Durham, Bath, etc. Have a passion for building (show us your GitHub or side projects!) Are confident with JavaScript, React, Next.js, Tailwind, Node.js Care about clean code, thoughtful UX, and solving problems end to end Are London-based and up for 3 days/week in our Camden office (Mon More ❯

top priorities Skilled at navigating uncertainty and shifting priorities while inspiring and motivating your team. Hands-on experience in at least one part of our stack is essential: Mobile: React Native, iOS/Android Web Frontend: React, TypeScript, Apollo, Tailwind Backend: TypeScript, Go, GraphQL, PostgreSQL, gRPC Hosting: GCP, AWS Above all, you bring strong commercial insight and a collaborative mindset More ❯

that help them identify, assess, 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 for both frontend and backend. Build More ❯

Senior Frontend Engineer – Next.js/React Location: Monument WeWork in London Type: Full-Time About Admanage.ai We’re building the Cursor for ad management. Admanage.ai helps companies launch ads 10x faster on Meta & TikTok. Created by top performance marketers who’ve managed over $50M+ in ad spend. Our mission? Level the playing field by giving every business access to enterprise … management, testing, and performance. You’re not here to maintain, you’re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js APIs: Facebook Marketing API, TikTok … safe continuous deployment Ship features end-to-end: idea → build → optimize for robust testing, speed and UX You Might Be a Fit If You... Have 5+ years building production React/Next.js apps Are skilled at state management in large, complex apps Believe testing is part of building, not an afterthought Care about performance, UX, and clean design systems Communicate More ❯

Full Stack Engineer — Python, TypeScript, React Location: London (On-site, 5 days/week) Salary: £80,000 – £130,000 + Equity Our client is building a platform that brings AI into real-world operations by teaching models how specific companies operate. Growing in London and looking for product-focused engineers who want to work on complex systems and meaningful technology. … founders and senior engineers who previously built large-scale AI systems. Responsibilities: Build and iterate on a fast, scalable user-facing platform. Work across the stack with Python , TypeScript , React , and SQL . Collaborate with the core platform team on new features and infrastructure. Contribute to the design, architecture, and delivery of product-focused systems. Solve technically challenging problems for … novel technologies. Requirements: MUST HAVE: Full-stack experience in product or platform engineering. MUST HAVE: Strong proficiency in Python , TypeScript , React , and SQL . Bonus: familiarity with Rust or C , or a passion for learning new languages. MUST HAVE: Strong communication Interested in building real products, not research prototypes. We’re looking for product engineers. This is not an AI More ❯

Exp: Key Responsibilities: Develop and maintain user interfaces using TypeScript, ensuring high performance and responsiveness. Design and implement complex UI components and applications using React.js or Next.js. Collaborate with cross-functional teams to define, design, and ship new features. Create and maintain design systems to ensure consistency and scalability across all products. Implement cloud-native solutions and integrate DevOps practices … continuous improvement. Stay up-to-date with the latest industry trends and technologies to ensure our products remain cutting-edge. Qualifications: Strong hands-on experience with TypeScript. Expertise in React.js or Next.js. Proven experience with design systems and their implementation. Solid understanding of cloud-native technologies and DevOps practices. Previous experience in an architect role, with the ability to lead More ❯

for experienced engineers who want to combine hands-on development with mentoring and leadership. The Role As a Senior Frontend Developer, you’ll: Build and maintain scalable applications with React, TypeScript, Tailwind, Cypress Mentor a core group of developers and support a wider engineering team Drive technical best practices and ensure high-quality, user-focused products Play a key role … in shaping product delivery and technical direction About You We’re looking for developers who: Have strong commercial experience with React and TypeScript Enjoy mentoring, coaching, and supporting other developers Want stability in a permanent role and the chance to make a long-term impact Thrive in collaborative, fast-paced environments Why Join? With multiple openings, this is a great More ❯

opportunity to shape design and engineering from the ground up You'll be the bridge between design and code. Taking high-impact ideas from concept to production using Figma, React and TypeScript . You'll define visual language, build smooth user experiences and help scale products used by thousands. What you'll do Own front-end design and development across … web products Create world-class UI/UX in Figma and implement directly in React/TypeScript Work with product and AI engineers to prototype and ship new features fast Contribute to brand, component library, and overall product experience You'll need Strong design eye and proven ability with Figma Solid experience building front ends in React + Typescript Understanding More ❯

Senior Frontend (React/Vue) Developer - Contract - Airline Transformation A global airline is urgently seeking Frontend developers to support a large-scale transformation aimed at modernising their IT Suite across all business layers. Your primary responsibility will be to accelerate the migration of their front-end from Vue to React in applications that support their crew operations. You will work … who is tasked with leading the adoption of advanced analytical solutions. Rate: 700 Inside Location: Heathrow Airport, London Hybrid: Flexible Duration: 3months Requirements: Extensive experience building comprehensive UI using React and Vue (6years +) Deep understanding of modern front-end development best practices and architecture Experience with component-based architecture and design systems Experience working with diverse stakeholders such as More ❯

Product Engineer (React.js/Native, UI/UX) - 2/3 days a week in London numi is partnered with a technology company on a mission to make supply chains transparent and sustainable. They use earth observation and environmental monitoring to create a global data asset that will radically change how supply chain risk is managed. Our partner is a … Champion the UX: Translate complex geospatial and supply chain data into elegant and actionable visualizations. Build the Platform: Develop a scalable, responsive, and high-performance front-end application using React JS/Native . Collaborate: Work closely with the CEO and CTO to define the product roadmap. Who We're Looking For You are a seasoned product builder with a … track record of shipping high-quality, user-facing applications. You have deep experience building high-performance web map UIs with large cloud-native geospatial datasets. Must Have: Mastery of React JS/Native and its ecosystem , and specific experience with cloud-native geospatial data. Nice to Have: Proficiency with AI-powered development tools , and experience or interest in supply chain More ❯