176 to 200 of 243 React Jobs in the Thames Valley

.NET Developer - Hungerford, Berkshire (Tech stack: .NET Developer, .NET 9, C#, Azure, React, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global video technology company with a strong presence in 17 countries. Using cutting edge technologies they help their clients join the dots on Facebook, YouTube and the social web. Their … Core/ASP.NET MVC, C# and Azure SQL. Our client will give you the opportunity to work on enterprise level software development projects and training into: .NET 9, Azure, React, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. You will follow the firm's rapid career progression programme. Previous top performers have achieved several More ❯

What You’ll Be Doing: Define and implement technical standards that span multiple teams, including authentication, design tokens and tracing. Design, build and deploy full-stack web applications using React, TypeScript and Kotlin. Simplify system architecture and enhance scalability across the payments platform. Establish and maintain reliability metrics, SLOs and incident management best practice. Collaborate with Product and Design to … GenAI tools and best practice (e.g. GitHub Copilot). Mentor engineers, encourage knowledge sharing, and help shape the wider engineering culture. Main Skills Needed: Expert knowledge of JavaScript, TypeScript, React (Hooks, Redux), HTML5 and CSS/SASS. Strong experience designing backend services in Kotlin or Java with REST and OpenAPI. Proven experience in system design at scale, simplifying complex architectures. More ❯

What You’ll Be Doing: Define and implement technical standards that span multiple teams, including authentication, design tokens and tracing. Design, build and deploy full-stack web applications using React, TypeScript and Kotlin. Simplify system architecture and enhance scalability across the payments platform. Establish and maintain reliability metrics, SLOs and incident management best practice. Collaborate with Product and Design to … GenAI tools and best practice (e.g. GitHub Copilot). Mentor engineers, encourage knowledge sharing, and help shape the wider engineering culture. Main Skills Needed: Expert knowledge of JavaScript, TypeScript, React (Hooks, Redux), HTML5 and CSS/SASS. Strong experience designing backend services in Kotlin or Java with REST and OpenAPI. Proven experience in system design at scale, simplifying complex architectures. More ❯

full-stack applications at scale. Strong backend development skills in Python or Go, with experience designing APIs and working with databases such as PostgreSQL and Redis. Proven experience with React and TypeScript, including component libraries and data-fetching tools like react-query. Familiarity with infrastructure-as-code tools and cloud platforms (preferably AWS). Experience with CI/CD pipelines More ❯

Senior Full Stack Engineer | £70,000 - £80,000 + Equity | Hybrid (Wokingham-based) | Python | React | AWSLocation: Wokingham, UK (Hybrid – 2–3 days office-based)Salary: £70,000 - £80,000 + £10k equity packageTech Stack: Backend: Python (Flask/FastAPI/Django) Frontend: React, TypeScript Cloud: AWS Are you an experienced Full Stack Engineer who thrives in fast-moving, product-led … performing engineering team at a pivotal stage of growth, contributing to architecture, delivery, and innovation from day one.Responsibilities: Build and maintain scalable features across frontend and backend systems using React and Python. Collaborate with designers, product teams, and stakeholders to deliver user-first solutions. Contribute to technical strategy, architecture, and decision-making. Write clean, efficient, and testable code, deploying across … gatekeeper for production environments. Debug, optimise, and continuously improve performance across web and mobile applications. Requirements for Success: 6+ years’ experience working in full stack development. Proven ability in React and TypeScript for modern frontend development. Strong backend experience in Python. Solid cloud experience and understanding of cloud architecture. Exposure to UX/UI design and customer-focused development. Collaborative More ❯

join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but also happy to mentor and offer guidance to the more junior members of an already successful team. This is predominantly … functional system. Develop software verification plans and follow quality assurance procedures. Document and maintain software functionality. Mentor junior developers Follow a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 … comfortable with CSS animations and flexbox). Extensive ReactJS experience JavaScript, TypeScript Ability to mentor junior staff Code reviews and technical guidance. Degree level education in an engineering/software in beneficial Good understanding of asynchronous request handling, partial page updates. If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on More ❯

join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but also happy to mentor and offer guidance to the more junior members of an already successful team. This is predominantly … functional system. Develop software verification plans and follow quality assurance procedures. Document and maintain software functionality. Mentor junior developers Follow a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 … comfortable with CSS animations and flexbox). Extensive ReactJS experience JavaScript, TypeScript Ability to mentor junior staff Code reviews and technical guidance. Degree level education in an engineering/software in beneficial Good understanding of asynchronous request handling, partial page updates. If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone More ❯

responsible for building and maintaining the web applications and APIs that power our ecosystem — everything from client dashboards and integration tooling to our own internal products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and … is a hybrid role — 4 days in the office (Mayfair, London) and 1 day working from home. What You’ll Do Build and maintain performant, reliable web applications using React, TypeScript, and Next.js Contribute to our serverless GCP architecture — including Cloud Functions, Firestore, and Cloud Run Collaborate with designers and product managers to deliver beautiful, intuitive user interfaces Write clean … Help shape new product features from concept to production Who We’re Looking For 2–4 years’ experience as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and More ❯

across front-end, back-end, and infrastructure layers Collaborate with clients, customer success, and engineering teams to identify root causes and deploy effective solutions Work hands-on with Node.js, React, SQL, and AWS to maintain and enhance platform functionality Contribute to improving support processes, documentation, and system reliability Continuously develop your technical knowledge across a range of technologies Required Skills … Experience: 3+ years’ experience in Node.js development Proficiency in TypeScript and JavaScript Experience with React , Express , and REST API development Strong understanding of SQL and Git Excellent analytical and problem-solving skills A genuine enthusiasm for learning and tackling complex technical challenges Bonus Experience (Nice to Have): AWS (hosting, deployment, configuration) Agile development practices Experience in technical customer support Knowledge More ❯

ll be at the heart of a high-performing engineering team, building intuitive, high-impact web applications that bring complex data to life. Working with cutting-edge technologies like React and TypeScript , you’ll collaborate closely with product, design, and data science teams to shape interfaces that define the future of shipping intelligence. This is a hands-on technical role … ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-end development experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles More ❯

Senior Frontend Developer React/Typescript Central London 2 days a week in the office £60,000 - £70,000 This company are one of the biggest and most successful businesses within their niche FinTech market space and have massive plans to build brand new Tech, Data & Delivery teams in 2025. This has come off the back of a hugely successful … a week. They are also growing the team so plenty of opportunities to take on additional responsibilities, lead projects or eventually step into a lead role. Role Responsibilities: Essentials: React, Typescript, JavaScript, HTML, CSS. Additional: Backend Integration, RestAPIs, JIRA. Confident working in an Agile environment. Good collaboration skills and ability to work across global teams. Excellent frontend skills and enhancing More ❯

Senior Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **Python, TypeScript, React** A leading fintech scale-up is hiring a Senior Software Engineer to join its high-performing engineering organisation in London. This is an opportunity to contribute to a platform designed to improve finance globally — with real impact at scale. The company operates at the … example through code reviews and mentoring. Maintain a user-centred mindset , constantly measuring and iterating on how engineering decisions translate into product value. Technical Environment: Languages & Frameworks : Python, TypeScript, React, Svelte Infrastructure & Tools : AWS, PostgreSQL, Snowflake, CI/CD pipelines Ways of Working : Agile squads, continuous delivery, outcome-oriented culture You’ll work in a collaborative, engineering-led environment where More ❯

Full Stack PHP Developer (React & Typescript) – £80,000 – Hybrid Overview A global digital marketing and technology agency specialising in online gaming is seeking a Software Developer to join its high-performing development team. This role offers the opportunity to work on scalable, high-throughput systems that power real-time user experiences in the iGaming sector. You’ll play a key … Role and Responsibilities Work across the full stack, with an even split between frontend and backend development. Contribute to the transition from a PHP-heavy stack towards TypeScript/React-based frontend applications. Deliver scalable, performant, and reliable solutions for high-traffic platforms. Collaborate with designers, product teams, and fellow engineers to raise the standard of customer-facing experiences. Write … best practices. Contribute ideas for technical improvements and new greenfield builds. Essential Skills and Experience Strong commercial experience with PHP (backend). Solid hands-on skills with TypeScript and React (frontend). Exposure to Node.js or NestJS desirable (but not essential if TypeScript is strong). Background in greenfield development projects Comfortable working in collaborative, agile teams. DevOps/cloud More ❯

Full Stack Node.js/React Developer - FinTech Innovation Team 📍 London (Victoria) - Hybrid | UK Remote considered 🏦 Join a regulated FinTech transforming global payments 🚀 Shape the Future of Financial Services Join our new strategic team at a cutting-edge FinTech backed by Banking Circle's international payment rails. We're transforming how businesses access account-to-account payments, card issuing, and financial … services across UK, EU, and US markets. You'll rebuild critical client-facing applications from the ground up, pioneering our move to Node.js/React and API-first architecture. 🏦 About Us Regulated EMI in UK & EU, with US sponsor bank partnerships Visa & Mastercard member - card issuer Global reach with homogeneous services across three major markets Dual client base serving both … robust middleware solutions connecting frontend experiences to financial services Implement secure OIDC/OAuth flows for multi-tenant financial applications Strategic Impact Lead migration from legacy technologies to modern React/Node.js ecosystem Establish development patterns for our expanding Node.js capabilities Showcase innovations to stakeholders in bi-monthly London sessions 🧠 The Developer We're Seeking Financial Services Mindset Curious nature More ❯

Software Developer, C# .NET React JavaScript TypeScript. SaaS Cloud AI Unified Comms x 3 We’re hiring on behalf of a forward-thinking organisation delivering cutting-edge software across global projects. They’re seeking a driven Software Developer to join their agile, high-performance team and help shape the future of impactful digital solutions. What You’ll Be Doing as … a Software Developer Software Development Write clean, scalable, maintainable code using C# and .NET 5/6 Build modern frontend solutions using JavaScript , TypeScript , and React Contribute to architectural decisions and design secure software components Collaborate closely in Agile/Scrum teams to deliver reliable, user-centric software Carry out rigorous unit and integration testing Work with QA to validate … in C# , SQL , and Microsoft SQL Server Solid understanding of Git and experience in Agile environments Bonus: Familiarity with OWASP ASVS , secure development standards, and modern UI frameworks like React Why Apply Work on worldwide projects with real impact. Be part of a collaborative, agile team focused on innovation. Gain exposure to a broad tech stack and career progression opportunities. More ❯

Contract - Senior Frontend Engineer (React/TypeScript) – Build Beautiful Interfaces for Advanced AI Do you love crafting high-quality, intuitive user interfaces? Are you excited by the idea of working at the intersection of AI and frontend innovation? Looking for a role where you’ll own key parts of a modern product and work with the latest tech? Our client … experiences - this could be your next big move. Why This Role is Great In this role, you'll have the opportunity to: Design and build a modern SPA using React , TypeScript , and Vite , with a strong emphasis on performance, accessibility, and usability. Deliver responsive, accessible interfaces using utility-first CSS (e.g. Tailwind CSS ) and a component-led design system (e.g. … helping to level up team-wide frontend standards and best practices. About You This role would suit someone who: Has solid experience building and scaling single-page applications using React and TypeScript , ideally in production environments. Enjoys working with modern build tools and libraries such as Vite , pnpm , or similar. Has experience (or a strong interest) in real-time applications More ❯

ll be working on critical middle and back-office systems that support trading and operations functions. Key Responsibilities Design, develop, and maintain full stack applications using C# backend and React frontend Build and enhance middle and back-office systems supporting fund operations Collaborate with business stakeholders including fund accounting, operations, and trading teams Develop scalable, high-performance solutions for financial … data processing Participate in code reviews and maintain high development standards Required Skills & Experience Strong proficiency in C# .NET (Core preferred) for backend development Solid experience with React and modern JavaScript frameworks Experience with SQL Server and database design Proven experience working on middle/back-office systems in financial services Understanding of fund operations workflows and processes Experience with More ❯

top talent through employee benefits, strategic reward and recognition, well-being, and much more. Our mobile development team is expanding, and we have an exciting opportunity for a Lead React Native Engineer . We are looking for someone who is passionate about creating high-quality mobile experiences and is comfortable balancing hands-on technical delivery and leadership with mentoring a … reviews, recommending improvements, and fostering consensus through clear communication and your strong technical skills to support your recommendations. Key Responsibilities Design, develop, and maintain high-quality mobile applications using React Native Collaborate with cross-functional teams, including Product, Design, and Backend Engineering, to ensure seamless integration of new features and improvements in our mobile applications using Typescript and React Native … high standard of code quality for mobile applications Stay informed on mobile development trends, tooling, and best practices Skills, Knowledge, and Expertise Extensive development experience building mobile applications in React Native, with experience in a technical lead role Experience developing large-scale business-critical SaaS applications In-depth knowledge of the React and React Native frameworks Excellent programming skills in More ❯

Software Engineer – Python/FastAPI/React/Functional programming/Typescript Location: London, UK (Hybrid) Type: Full-time Level: Mid to Senior Salary: £70,000 to £100,000 About the Role: This startup is building a cutting-edge platform to transform how engineers design physical products. Instead of creating one solution at a time, this system enables users to … just building software, but helping change how things are designed and built. Opportunities: Frontend or Backend Tech Stack within the engineering environment: Backend: Python, FastAPI, Pydantic, PostgreSQL, Docker Frontend: React, TypeScript, Vite Infrastructure: GitHub Actions, GCP, Kubernetes (optional) Paradigms: Functional programming, async APIs, event-driven architecture Responsibilities Build and maintain backend services using FastAPI and Python for geometry, simulation, and … data workflows Develop responsive, performant frontends using React and TypeScript Work closely with domain experts (engineers, designers) to translate complex physical problems into usable software features Follow functional programming practices to write testable, composable code Own features from idea to implementation to deployment Contribute to architectural decisions in a fast-moving, early-stage product Requirements Bachelor’s degree in Computer More ❯

join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but also happy to mentor and offer guidance to the more junior members of an already successful team. This is predominantly … functional system. Develop software verification plans and follow quality assurance procedures. Document and maintain software functionality. Mentor junior developers Follow a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 … comfortable with CSS animations and flexbox). Extensive ReactJS experience JavaScript, TypeScript Ability to mentor junior staff Code reviews and technical guidance. Degree level education in an engineering/software in beneficial Good understanding of asynchronous request handling, partial page updates. If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on or More ❯

join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but also happy to mentor and offer guidance to the more junior members of an already successful team. This is predominantly … functional system. Develop software verification plans and follow quality assurance procedures. Document and maintain software functionality. Mentor junior developers Follow a specific build and deployment process. Skills required: Extensive ReactJS experience Be familiar with Agile development practices, including Continuous Integration and 5+ years' experience in enterprise level front-end web development: Solid understanding of semantic mark-up, including HTML5, CSS3 … comfortable with CSS animations and flexbox). Extensive ReactJS experience JavaScript, TypeScript Ability to mentor junior staff Code reviews and technical guidance. Degree level education in an engineering/software in beneficial Good understanding of asynchronous request handling, partial page updates. If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson on (phone More ❯

Principal JavaScript Engineer (TypeScript/React/Node.js) £150,000–£170,000 + Equity | Hybrid – 3 days in London We’re helping a VC-backed SaaS scaleup reinvent how organisations manage and approve spend, from software requests to supplier onboarding, and they’re gearing up for serious growth. With enterprise clients already on board and revenue climbing, they’re looking … day — thanks to a rock-solid CI/CD setup Collaborate closely with product, design, and leadership to shape the roadmap Tech stack you’ll be working with : TypeScript, React, Node.js, AWS Serverless (Lambda, DynamoDB, EventBridge) What you’ll be doing: This isn’t just about writing code, it’s about owning problems end-to-end and influencing every part … observable as we scale to hundreds of enterprise customers. Collaborate closely with product, design, and leadership to set roadmap priorities and define technical strategy. Work across the stack — from React frontends to AWS serverless backends — and own your projects from infrastructure to styling. Deploy continuously (multiple times per day) using their robust CI/CD pipelines. Mentor other engineers and More ❯

Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer … specing out, designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The … application is a Real Time Trading application which displayed 1000’s points of Data for Trading decisions. Key Tech Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. Experience with Financial More ❯

Wipro is seeking a Senior Full Stack Developer to join our high-performing engineering team. As the Senior Full Stack Developer, you will focus on both frontend (Angular/React) and backend development with .NET Core, driving scalable and efficient digital solutions. You'll work closely with a dynamic, Agile team that thrives on continuous improvement and innovation. About Wipro … pension, and access to quarterly bonuses. Your Responsibilities As a Senior Full Stack Developer, you will: · Develop and maintain modern full stack applications using .NET Core and Angular/React · Contribute to Agile ceremonies and collaborate on sprint planning, coding, testing, and reviews · Implement Infrastructure as Code (IaC) and CI/CD pipelines with Azure DevOps · Apply design patterns, best … to improve performance · Act as an individual contributor, delivering hands-on development and analysis Mandatory Skills You’ll bring expertise in: · Full stack development (.NET Core backend, Angular/React frontend) · Azure DevOps CI/CD pipelines and YAML configuration · Unit testing frameworks for .NET applications · Agile methodology and cloud design patterns · Azure services (minimum of 3) such as App More ❯

company’s clients and customer success team to identify the source of a technical problem and then fixing those problems. This role covers a lot of technologies, from UI, React, system configuration, Node.js backend code, databases and AWS hosting. So this is a great opportunity to learn and expand all those skills. What we’re looking for from a Back … the company’s platform features and technologies from the ground up. Experience needed as a Back End Developer: 3+ years of Node.js development Type Script/Strong JavaScript skills React REST API development SQL Git More ❯