About this role

Responsibility for architecture decisions and the technical advancement of the backend stack
Responsibility for complex database and integration topics, including data modeling and migration strategies
Design and operation of scalable, secure, and resilient services and APIs
Technical conception of new features in close coordination with internal stakeholders
Reviewing, mentoring, and providing technical support to other developers on the team

5+ years of experience in C#/.NET development
Very good understanding of software architecture, API design, distributed systems, and data modeling
Experience with CI/CD and Docker-based deployment
Excellent written and verbal communication skills (German + English)
High degree of ownership when faced with unclear requirements and complex problem-solving
Nice-to-have: experience in mentoring and technical leadership (including people/disciplinary management)
Open attitude toward and practical experience with coding agents

Flexible working hours and the option to work remotely, hybrid, or from our attractive office in downtown Hamburg
Subsidized Deutschland-Ticket
Wellpass membership
Option to work from a pleasant office in Hamburg
Regular team events

Senior Backend Developer C# – .NET

Key skills