> Markdown version of [/jobs/ext/1457457-snr-front-end-developer](https://www.wearedevelopers.com/jobs/ext/1457457-snr-front-end-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Snr Front End Developer - **Company:** som3 Recruitment - **Location:** Bletchley, UK - **Experience:** Expert - **Salary:** £50,000.0 - £60,000.0 - **Contract:** Permanent contract - **Skills:** Adobe Analytics, Clean Code Principles, JavaScript (Programming Language), Web Accessibility, Browser Compatibility, Cascading Style Sheets (CSS), Code Review, Node.Js, Performance Tuning, E2e Testing, Next.js, Responsive Web Design, Software Testing Automation Framework, TypeScript, Web Content Accessibility Guidelines, Web Performance Optimization, Web Usability, Network Routers, ReactJS, Pixel Perfect, Backend, Material UI, Playwright, Front End Software Development, Device Compatibility, Api Management - **Published:** July 27, 2026 - **Apply:** https://jobsthamesvalley.co.uk/jobs/apply/ats-redirect/?id=2896262666-2 ## About the Role You will be a proactive and experienced front-end developer who enjoys solving complex technical challenges and improving the quality of digital products. You will have a strong eye for detail and be passionate about creating accessible, performant and intuitive user experiences. You should be confident making technical decisions, challenging existing approaches where appropriate, and communicating effectively with technical and non-technical stakeholders., * Strong commercial experience in Senior Front End Development. * Excellent hands-on experience with TypeScript and React. * Experience working with Next.js, React Router and Apollo Client. * Strong understanding of component architecture and state management. * Experience with Node.js, ideally Node.js 22. * Experience with authentication technologies such as MSAL. * Strong knowledge of CSS Modules and Styled Components. * Experience working with Axios and API integrations. * Experience building robust forms using React Hook Form and Yup. * Experience with automated component and end-to-end testing. * Good understanding of web accessibility and WCAG 2.1 AA. * Experience optimising web performance and Core Web Vitals. * Strong knowledge of responsive design and cross-browser compatibility. * A strong understanding of clean code, code reviews and modern development best practices. ## Description You will work closely with Product Managers, Designers and Back-End Developers to deliver new features, improve existing components and help shape front-end development standards. You will also take ownership of the front-end build pipeline, performance optimisation and our design system., * Take ownership of the front-end codebase, including maintaining, refactoring and extending UI components. * Develop pixel-perfect, accessible and responsive user interfaces from design specifications. * Lead front-end build and deployment processes, including build configuration and production optimisation. * Champion accessibility, working to WCAG 2.1 AA standards. * Ensure cross-browser and cross-device compatibility. * Develop and maintain automated component and end-to-end tests using appropriate testing tools. * Conduct peer code reviews and help improve development standards and component architecture. * Collaborate with back-end developers on API integration and data-fetching approaches. * Monitor and optimise front-end performance, including Core Web Vitals, bundle size, lazy loading and rendering. * Contribute to the ongoing development and maintenance of the product's design system and component library. * Work with an external development team during a structured knowledge transfer period, ensuring a smooth transition of technical knowledge and ownership. Technical Stack * TypeScript * React * React Router * Next.js * Apollo Client * Node.js 22 * MSAL * CSS Modules * Axios * Styled Components * React Hook Form & Yup * Component and end-to-end testing tools such as Jest, Testing Library and Playwright ## Related Videos - [WeAreDevelopers LIVE – Frontend Inspirations, Web Standards and more](https://www.wearedevelopers.com/videos/1761-wearedevelopers-live-frontend-inspirations-web-standards-and-more) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development) ## Related Articles - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [25 Essential Tools for Front End Developers](https://www.wearedevelopers.com/magazine/210-25-essential-tools-for-front-end-developers)