Senior Backend Engineer — Node.js/TypeScript (Fully Remote)

HireTech is seeking a highly experienced Senior Backend Engineer to join its innovative and fast‑growing fitness tech company in Madrid. The role involves building and scaling the backend architecture of a cutting-edge platform for gyms across Europe.

Applicants should have 10+ years of experience in backend development, with strong skills in Node.js, TypeScript, and PostgreSQL. This is a fully remote position with benefits including a sport card and private medical insurance.