Principal React Engineer Remote (UK) | Permanent At a Glance Role:Principal React Engineer Salary:£100,000 £120,000 Location:Remote (Northern Ireland based) Employment type:Permanent, full-time Stack:React, TypeScript, Storybook, Jest, RTL, Cypress The Role This is a frontend leadership position for someone who wants to own architecture, set direction, and genuinely raise the bar across an engineering organisation. You will take control of a large-scale React ecosystem, drive best practice across multiple teams, and build experiences that matter to users. You will work closely with Product, UX, and Backend, influence the long-term technical roadmap, and have a direct hand in how frontend engineering is done across the business. What You'll Be Doing Lead and define frontend architecture and standards across the organisation Drive adoption of React and TypeScript best practice across multiple teams Build and scale component libraries and design systems Partner with Product and UX to deliver clean, intuitive interfaces Mentor engineers and contribute to the overall capability of the team Own performance, accessibility, and long-term maintainability of the frontend Work closely with backend teams on API design and integration Champion modern tooling, testing practices, and CI/CD Contribute to the technical roadmap and broader engineering strategy What You'll Bring Essential Strong commercial experience with React and TypeScript at scale A proven track record of frontend technical leadership in a commercial environment Deep understanding of state management, performance optimisation, and UI architecture Experience building or working closely with design systems (Storybook or equivalent) Solid knowledge of modern testing approaches: Jest, React Testing Library, Cypress A genuine interest in mentoring and developing engineers around you Comfortable operating across cross-functional teams, including Product and UX Nice to Have Backend or full stack exposure Cloud experience, ideally AWS Experience in data-heavy or complex product environments Background in product-led organisations Why Apply This is a rare opportunity to step into a genuine Principal-level role with real ownership and real influence. If you are a senior React engineer ready to move into or further establish yourself at Principal level, this is worth a conversation. Skills: React AWS TypeScript Benefits: Work From Home Bonus
