Senior Backend Engineer (Node.js / TypeScript)

We are looking for a highly experienced Senior Backend Engineer to join an innovative and fast-growing company in the fitness tech industry.

You will play a key role in building and scaling the backend architecture of a cutting-edge platform used by gyms across Europe. This is an exciting opportunity to work in a startup environment where your ideas, ownership, and technical expertise will have a direct impact on the product and customers.

About the Mission

Your mission will be to build and evolve the platform from the ground up, leveraging the experience acquired during the Beta phase and current product usage.

You will work closely with product, customers, and the engineering team to deliver a scalable, reliable, and high-performance application.

Responsibilities

• Design and implement scalable backend architectures and server-side application logic
• Develop APIs, reusable libraries, and core system components