Som3

Som3

Milton Keynes, South East

Snr Front End Developer

Full-Time£50,000 - 60,000 per year前天United Kingdom
IT

Job Description

Salary: £50,000 - 60,000 per year

Requirements:
  • 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.
  • Strong understanding of clean code, code reviews and modern development best practices.
Responsibilities:
  • Take ownership of our front-end codebase, including maintaining, refactoring and extending UI components.
  • Develop pixel-perfect, accessible and responsive user interfaces from design specifications.
  • Lead our 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 our design system and component library.
  • Work with an external development team during a structured knowledge transfer period to ensure a smooth transition of technical knowledge and ownership.
Technologies:
  • API
  • Apollo
  • CSS
  • React
  • TypeScript
  • Web
  • UX UI Design
  • NodeJS
  • JavaScript
  • Jest
  • Playwright
  • Frontend

More:

We are based in Milton Keynes and are looking for an experienced Senior Front End Developer to take genuine ownership of a key codebase and play a key role in developing high-quality, accessible and high-performing digital products. You will work closely with Product Managers, Designers and Back-End Developers to deliver new features, improve existing components and help shape our front-end development standards. This is an excellent opportunity to influence technical standards and help shape the future of a growing digital product.

last updated 30 week of 2026

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  • An updated resume highlighting relevant experience
  • A compelling cover letter (if required)
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About Som3

Som3

Som3

Milton Keynes

IT

Skills & Technologies

JavaScriptTypeScriptJavaGoReactNext.jsNode.jsGitAIUXUICSS

Inferred from job description

Salary Insight

£55,000

This role

£55,000

UK median

This salary is 0% above the UK median for Developers55,000/yr).

Based on 2024–2025 UK technology sector benchmarks

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