1 to 25 of 31 Front-End Developer (Client-Side Developer) Jobs in the Thames Valley

Front-End Developer (Junior–Mid Level) Location: Fully Remote Tech Stack: JavaScript/TypeScript, Angular About the Role We're looking for a talented Front-End Developer to join our client … responsible for building intuitive, responsive user interfaces that deliver a seamless experience across devices. hat You'll Do Develop and maintain front-end applications using JavaScript/TypeScript and Angular. Collaborate with designers, back-end developers, and product teams to bring ideas to life. ...

Senior Frontend Engineer Full remote role with office in London, 12 month contract, Outside IR35 A global consumer-facing technology organisation is refining its web strategy to focus on building secure, scalable, and high-quality ...

Front End Software Engineer Start: Jan 2026 Location: Remote (must be EU timezone) Rate: £350-£400 per day (outside IR35) Length: 4 weeks (possible extensions) We're looking for an experienced ...

Front End Software Engineer Start: Jan 2026 Location: Remote (must be EU timezone) Rate: £350-£400 per day (outside IR35) Length: 4 weeks (possible extensions) We're looking for an experienced ...

Want to build from the ground up for a leading company? Best of both worlds right.... Well you can! We are currently partnered with a globally leading iGaming company who have opened a brand new ...

Outside IR35) - Hybrid Seeking a passionate Frontend Developer with experience working with Content Management Systems (CMS) front-end development and launch a modern, secure, and user-friendly corporate website using the Builder.io Visual Development Platform to enable faster iteration and future content … configure the necessary Builder.io Models (e.g., Page model, Section model, Data model for structured content like navigation menus or author profiles). Front-End Development: Implement the visual design using the chosen front-end framework, utilizing the components created. Initial Content Seeding ...

Senior Frontend Developer At least 4+ years' experience in frontend or full-stack web development with a front-end focus Strong hands-on experience with React, TypeScript and Tailwind, and ideally GraphQL in medium to large-scale codebases Solid understanding of Next.js … modern frontend architectures, and front-end standards and best practices A user-experience-focused mindset with attention to performance and usability Experience in developing web apps for iOS OR Android would also be an advantage Experience building data-driven interfaces that integrate multiple information sources Comfortable ...

Senior JavaScript Developer – Vue.js Greater London | Hybrid | Full-time The mission Join a profitable payments/fintech business modernising its customer‐facing platforms and internal tools. You'll be one of the go‐to engineers for the front end, shaping how customers ...

brilliant new team member to join us. What we're looking for We're on the lookout for a Junior Front-End Developer to join our growing digital team. This is a great opportunity for someone early in their development career … delivery of high-quality, user-friendly digital experiences and help turn creative ideas into clean, responsive code. What you'll be doing Front-end development Supporting the build and maintenance of responsive web pages and UI components using HTML, CSS and JavaScript Translating designs from Figma ...

Frontend Developer Up to £70,000 + Bonus Central London – Flexible Hybrid Options Health-Tech A fast-growing healthtech company is seeking a Frontend Developer to help build a user-centric SaaS platform transforming pharmaceutical R&D. You'll contribute … architecture, advance component systems, and collaborate closely with product and design to elevate usability and responsiveness. As a Frontend Developer, you will have: Strong commercial experience in React with TypeScript Exposure to UI/UX principles and design collaboration Background in healthtech or data-driven applications ...

Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all teams … thrive in an Agile environment. · Proficient in addressing cross-browser compatibility issues and employing effective strategies to resolve them. · Well-versed in front-end build tools, such as Webpack. · Skilled in utilizing code versioning tools, notably Git. · Sound understanding of browser rendering behavior and techniques ...

Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all teams … thrive in an Agile environment. · Proficient in addressing cross-browser compatibility issues and employing effective strategies to resolve them. · Well-versed in front-end build tools, such as Webpack. · Skilled in utilizing code versioning tools, notably Git. · Sound understanding of browser rendering behavior and techniques ...

Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all teams … thrive in an Agile environment. · Proficient in addressing cross-browser compatibility issues and employing effective strategies to resolve them. · Well-versed in front-end build tools, such as Webpack. · Skilled in utilizing code versioning tools, notably Git. · Sound understanding of browser rendering behavior and techniques ...

Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all teams … thrive in an Agile environment. · Proficient in addressing cross-browser compatibility issues and employing effective strategies to resolve them. · Well-versed in front-end build tools, such as Webpack. · Skilled in utilizing code versioning tools, notably Git. · Sound understanding of browser rendering behavior and techniques ...

Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all teams … thrive in an Agile environment. · Proficient in addressing cross-browser compatibility issues and employing effective strategies to resolve them. · Well-versed in front-end build tools, such as Webpack. · Skilled in utilizing code versioning tools, notably Git. · Sound understanding of browser rendering behavior and techniques ...

Senior Frontend Developer (React.js) | Brand New Trading Payments Desk | £130,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React focus for a Trading House that build cross asset trading systems. The FinTech are building from the ground … terms of the build. Responsible for developing new features for the public website and client portal. This Senior Frontend developer role is paying up to £130,000 + bonus + benefits Located in London City, St Paul's, with 3 days per week from ...

welcomed and supported by some truly talented people, in a company that is constantly innovating. We are looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. ...

welcomed and supported by some truly talented people, in a company that is constantly innovating. We are looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. ...

welcomed and supported by some truly talented people, in a company that is constantly innovating. We are looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. ...

welcomed and supported by some truly talented people, in a company that is constantly innovating. We are looking for a Senior Frontend Developer, based in the UK. This role will involve building and maintaining our new website platform using Next.js, React, TypeScript, TailwindCSS and MongoDB. ...

closely with backend and AI teams to embed semantic search and conversational UI Ensure performance, accessibility, and security best practices Contribute to front-end architecture and long-term platform direction What They're Looking For 3+ years' front end development experience Strong … experience with React, JavaScript, and TypeScript Experience with modern front-end patterns, component libraries, and state management Exposure to cloud-hosted applications (Azure preferred) Interest or experience in AI-driven UI/UX Comfortable working in evolving, product-led engineering teams ...

mathematical concepts into accessible UX flows Use functional and declarative programming patterns to create composable, reusable, testable UI components Architect and maintain client-side state management solutions that handle large, rapidly changing datasets Optimise performance using techniques such as memoisation, batching, Web Workers, and incremental rendering ...

Engineer as the business continues to scale. What will you be doing: Be responsible for taking ownership of projects and running the front-end development for their customers Build the interfaces that allow customers to choose between different products to best find the product that meets ...

Front-End Lead | Data-Heavy Platform We're partnering with a fast-growing technology company building a mission-critical, data-intensive platform used at scale. The product is live, trusted, and entering its next phase of growth — and front-end architecture … central to what comes next. They're hiring a Front-End Lead to take ownership of front-end strategy, architecture, and engineering standards, working closely with the CTO and senior engineers. What You'll Do Own and evolve a large React/ ...

Front-End Lead | Data-Heavy Platform We're partnering with a fast-growing technology company building a mission-critical, data-intensive platform used at scale. The product is live, trusted, and entering its next phase of growth — and front-end architecture … central to what comes next. They're hiring a Front-End Lead to take ownership of front-end strategy, architecture, and engineering standards, working closely with the CTO and senior engineers. What You'll Do Own and evolve a large React/ ...