Salary: 90 000€
We are working with an early-stage European tech startup building a high-impact B2B software product with strong technical ambitions and a long-term vision.
The company is now looking for its Founding Engineer, someone who wants to build the technical foundations from scratch, shape engineering culture, and grow into a CTO role over time.
This is a unique opportunity for an experienced backend engineer who wants to move from execution to ownership.
Responsibilities :
Design and build the backend architecture from the ground up
Develop core product features in Node.js or Python
Define engineering standards, tooling, and infrastructure
Set up deployment pipelines and production environments
Make long-term architectural decisions
Participate in product and technical strategy
Help build the future engineering team
Tech direction (Exact stack still flexible — you will help define it ) :
Backend: Node.js or Python
API-first architecture
Cloud infrastructure
Modern development practices
Scalable SaaS architecture
5–10+ years of backend engineering experience
Strong experience with Node.js and/or Python
Experience building products from scratch or early-stage systems
Comfortable making architecture decisions independently
Interest in startup environments
The role is fully English-speaking, so fluency in English is required