Senior Software Engineer (C#)

A well-established European technology company developing cloud-based platforms for business customers is looking for a Senior .NET Engineer to join its product engineering team.

This is a hands-on senior development role with an interesting additional dimension: AI agents are already integrated into the software development workflow. The successful candidate will combine traditional software engineering with modern AI-assisted development, helping structure work for both engineers and coding agents.

What You'll Be Doing

• Design and develop new features for a cloud-based B2B platform.
• Work primarily with C# and modern .NET technologies.
• Translate product and business requirements into clear technical solutions.
• Structure development tasks for both human developers and AI coding agents.
• Use and improve AI-assisted engineering workflows.
• Review code and validate AI-generated development output.
• Maintain high standards through testing, code review and technical verification.
• Help prioritise development work and coordinate releases.
• Work with product and other stakeholders to ensure technical delivery remains aligned with business priorities.

What We're Looking For

• Strong professional experience with C# / .NET.
• Previous exposure to AI-assisted software engineering, coding agents or agentic development workflows.
• Ability to break complex requirements into clearly defined technical tasks.
• Experience working within agile software development teams.
• Strong understanding of software quality, testing and maintainable architecture.
• Comfortable combining hands-on engineering with coordination and technical ownership.
• Very good German and English language skills.

Experience in any of the following: Microsoft Azure, Cloud-native systems, SaaS platforms, Multi-tenant applications, Microsoft 365 or Entra ID, CI/CD pipelines, GitHub Actions, Azure DevOps, MCP servers.

• This is a permanent hybrid position in Germany, with 3 days per week in the office.
• Candidates can work from one of two offices in the Frankfurt/Hesse region.