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Job Description

Principal React Engineer - £100 - 120k

The Role

This may be the best role of its kind this year. The feedback from the candidates placed within the team has been stellar.

This is a frontend leadership position for someone who wants to own architecture, influence product direction, and raise the bar across engineering teams.

You’ll take control of a large-scale React ecosystem, drive best practice, and build experiences that actually matter to users.

Why This Role?

You’ll be stepping into a high-impact position where your decisions shape how frontend is done across the business.

Own the frontend vision and architecture Work closely with Product, UX, and Backend teams Influence long-term technical strategy Build scalable, modern UI systems used across multiple products

This is for someone who enjoys being hands-on but also leading from the front.

What You’ll Be Doing

Lead and define frontend architecture and standards Drive React + TypeScript across multiple teams Build and scale component libraries and design systems Partner with Product & UX to deliver clean, intuitive interfaces Mentor engineers and elevate overall team capability Improve performance, accessibility, and maintainability Work closely with backend teams on API integration Champion modern tooling, testing, and CI/CD practices Contribute to technical roadmap and strategic direction

What We’re Looking For

Strong commercial experience with React and TypeScript Proven track record of frontend leadership at scale Deep understanding of state management, performance, and UI architecture Experience building or working with design systems (Storybook etc.) Solid knowledge of testing (Jest, RTL, Cypress) Passion for mentoring and developing engineers Comfortable operating in cross-functional teams Ability to turn complex problems into simple, elegant UI

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 Speak to Us?

This is a chance to step into a true Principal role

Not just a title,real ownership, real influence, real impact.

Interested?

Reach out to Ryan Quinn on LinkedIn for a confidential chat. This may be one of the very few roles in 2026 at this level. This role will close out quickly, please reach out to me on LinkedIN directly if you want to apply today. Thanks.

If you are interested in applying for this job please press the Apply Button and follow the application process. Energy Jobline wishes you the very best of luck in your next career move.