• Several years of experience (typically 5+ years) in backend development, including proven experience in a senior role.

• Strong knowledge of Node.js with TypeScript, or a comparable modern backend stack.

• Experience in API design (REST, ideally also GraphQL) and database design/optimization (PostgreSQL or similar) and designing microservices.

• Experience with event-driven architectures (e.g. Kafka, Azure Service Bus) and caching strategies (Redis).

• Solid knowledge of authentication/authorization (OAuth2, JWT, session management).

• Experience with containerization (Docker) and cloud platforms, ideally Microsoft Azure (Azure knowledge is required) and K8S.

• Experience integrating external systems, ideally ERP systems or payment gateways.

• Personal competencies:

  • Clean, maintainable engineering with an eye for scalability and operations.

  • Independent, structured way of working, even on complex integration topics.

  • Enjoys helping build a system from the ground up rather than maintaining legacy code.

  • Team orientation and willingness to share knowledge.

A big plus:

• Experience connecting cloud ERP systems.

• Knowledge of observability tools (e.g. Azure Monitor).

• Experience building multi-tenant/multi-shop backends.

• Experience with AI-assisted development tools (Claude Code, GitHub Copilot) in daily work.