Senior Backend Developer C# / .NET (m/f/d)

As a (Senior) Backend Developer, you work at the core of our product and platform landscape and take end-to-end ownership of critical e-commerce backend systems. You ensure stability, performance, and scalability while continuously evolving a mature technical landscape.
You go beyond implementation: you analyze and understand complex problems, challenge assumptions, and actively drive technical decisions in close collaboration with developers, architects, product, and business stakeholders.

• Own and evolve e-commerce backend systems where performance really matters
• Optimize SQL queries and ensure high performance in data-intensive workloads
• Evolve database structures in a living, business-critical environment
• Collaborate on software architecture, maintainability, and system evolution to reduce technical complexity instead of adding to it
• Modernize legacy structures pragmatically – step by step, without breaking the business
• Use Git (GitLab and/or GitHub) and contribute to modern CI/CD pipelines
• Work closely with product, developers and business stakeholders to identify real problems and create effective solutions

• Flexible working hours and remote options
• Agile work environment with clear Scrum processes
• Continuous learning with a guaranteed training budget
• Access to cutting-edge technologies and tools
• Company pension scheme for long-term security
• Regular team events like summer parties and monthly lunches
• A diverse and international team culture