London Founding Senior Full-Stack Engineer (TS/React, Rust)

Client Server in London is seeking a Senior Full Stack Engineer to own features end-to-end using TypeScript, React, APIs, and potentially Rust. This is a hands-on, founding-engineer level role in a fast-growing startup environment.

As one of the UK’s first engineers, you’ll shape architecture, drive technology decisions and help build products from ground up, with a clear path to impactful growth and a salary up to £120k plus a bonus.