Senior TS/React Full-Stack Engineer — London, Onsite + Bonus

Client Server is hiring a Senior Full Stack Engineer for London onsite to £120k. You will join early in the UK operation, owning architecture, design decisions, and building products from ground up in a hands-on start-up environment.

This role requires strong TypeScript/React skills, backend services, and APIs, with optional Rust knowledge. You’ll ship consumer products, own features end-to-end, and contribute to data reporting in a small team.