Backend Engineer (Node.js / TypeScript)

We help marketing teams unlock their growth potential with AI. Our attribution shows how advertising investments perform across channels, and our optimizations shift budgets to where they drive the bottom line. Leading European brands in e-commerce, telco, banking, insurance, energy and more rely on us.

• You build and run the [link] services behind the Nexoya app: the GraphQL API, ad channel integrations and data ingestion, and new LLM- and agent-based features. You join a team of about 10 engineers across backend, ML, frontend and platform, and you own your features from design to production.
• How we build software
• AI coding agents change how software gets built, but not who is responsible for it.
• Decisions are made together. Important technical decisions start as an Architecture Decision Record reviewed by the team. Good arguments win, not seniority.

Engineers design, agents implement. Your design is the input for our coding agents, guided by a shared rule set in our agent harness that the team evolves together.

Working is not done. Code is ready when it is maintainable: readable, tested, robust on unhappy paths. Larger changes are reviewed, so at least two engineers know every change.

You build it, you run it. A rotating internal support duty shows us which decisions worked.

Ship backend features end to end on our Kubernetes-based Azure cloud.

Evolve our GraphQL API with clear schemas and stable contracts.

Build reliab