You develop and operate backend applications based on C# and .NET within a predominantly Microsoft-based tech stack (e.g. Windows Server, MS SQL).
You implement new features and further develop existing applications — from requirements analysis through implementation to operations.
You work closely with product managers and stakeholders, challenge requirements and contribute your own technical solution proposals.
You are part of an agile team (Scrum with a tendency toward Kanban) and actively help shape the development process.
You ensure software quality through testing, code reviews and clean architectures.
You support the growth and further development of the engineering team and contribute as a sparring partner and technical driver.

Strong knowledge of C# / .NET
Experience with relational databases (e.g. Microsoft SQL Server) and API interfaces.
Solid understanding of software architecture, clean code, maintainability, performance and security.
Experience with agile development processes and enjoyment of cross-team collaboration.
Willingness to treat testing as an integral part of your development work (unit, integration and end-to-end tests).
Excellent English skills (at least C1) and good German skills (at least B2).
Motivation to take on responsibility, share knowledge and help shape technical standards.

Feelgood: Events such as team activities, a summer party and regular offsites strengthen team cohesion and ensure cross-location exchange.
Feedback & Communication: We address employee needs through regular 1:1 conversations, anonymous employee surveys and an annual culture feedback process.
Office Benefits: Our offices feature height-adjustable desks, stability balls, free drinks & snacks and much more. You can even bring your dog.
Quality Time: We offer 30 days of annual leave for full-time employees. In addition, we have internal special leave arrangements and the option for flexible leave. Mobile working is also possible in accordance with our policy.
On top: You benefit from Hypoport perks, e.g. discounts at 300 online shops, an allowance for workplace glasses, special conditions for a JobRad (company bike) and much more.

Senior C# Developer

Key skills