Full-Time Senior Front-End Developer (SC Cleared)

As a Senior Front-End Developer, you'll play a key role in shaping digital products and driving innovation. You'll help deliver outstanding front-end solutions by setting high coding standards, designing architecture, and guiding engineering practices. Additionally, you'll be instrumental in helping lead the team through exciting and complex technical challenges.

Responsibilities:

• Lead and deliver features end-to-end, converting designs into production-grade code.
• Set front-end architecture and coding standards, define patterns, assure quality, and drive component reuse.
• Own the testing strategy across unit, integration, and end-to-end levels.
• Optimise performance and accessibility to meet Core Web Vitals targets and WCAG 2.2 AA.
• Operate the product in production by maintaining CI/CD pipelines, monitoring health, handling incidents, and preventing regressions.
• Collaborate with designers, product managers, QA, and back-end engineers.
• Set realistic commitments, surface risks early, and keep stakeholders aligned on scope and timelines.
• Manage feature flags, canary releases, and rollback plans.
• Seek and apply feedback, share domain knowledge, maintain documentation, and strengthen team learning.

Essential Requirements:

• 6+ years of professional front-end experience.
• Expert-level knowledge of React, including hooks, context, performance optimisation, and modern patterns.
• Proficient in TypeScript for scalable, type-safe codebases.
• Solid experience with Next.js framework and its ecosystem (SSR, SSG, ISR).
• Deep knowledge of front-end engineering practices: state management, code splitting, bundle optimisation.
• Strong testing and debugging with Playwright, Jest, Cypress, or similar.
• Proven mentoring and cross-functional collaboration.
• Strong understanding of design systems and component libraries.
• Track record of technical leadership.
• Experience shaping solutions during discovery and advising on technical feasibility.
• Experience with Git and modern branching strategies.

Desirable Skills:

• Cloud-native delivery on AWS or Azure, serverless or containers.
• GOV.UK Design System and Service Standard experience.
• Storybook ownership for UI documentation and visual review.
• Figma for collaboration and Mural for workshops.
• Front-end security basics, including XSS and CSRF protections.

Security clearance and eligibility:

• Active UK Security Check (SC) to start, or eligible for SC with required residency.
• Must meet residency requirements for SC transfer.

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