Senior Frontend Engineer (DRWN)

Job title – Senior Frontend Engineer

Remote work offering – 100%

Client Industry – HR Tech

Contract Length – 6 months, with a strong option to extend

Contract type – Freelance

Project focus

Building and evolving the web applications behind an HR tech platform, including employee-facing and internal admin portals used across multiple product teams. The team works spec-first and AI-native: clear specs drive delivery, and AI coding agents support writing, testing and reviewing code in a React 18 and TypeScript stack.

Key skills and Experience required

• 5+ years of commercial frontend experience with strong React and TypeScript
• Daily use of AI coding agents (e.g. Claude Code), including prompting, reviewing and verifying AI-generated code and owning its quality
• Spec-driven delivery: writing or refining specs with behaviour, acceptance criteria and edge cases before coding, and linking tests and reviews back to them
• End-to-end ownership from solution design with product and design through to build, testing, release and production follow-up
• Testing across unit, component and e2e levels, plus accessibility and performance optimisation
• Working in a monorepo with shared component libraries and design systems
• Strong written English and a habit of documenting decisions (ADRs)
• Bonus: AWS (S3, CloudFront, ECS, IAM) and CI/CD, Java/Spring Boot with REST/OpenAPI contracts, i18n at scale and frontend observability

If this role is of interest, please apply with an updated CV.

Darwin Recruitment is acting as an Employment Business in relation to this vacancy.

Radheen Naiker