C# Software Developer | Softwareentwickler C# (m/w/d)

GfG Gesellschaft für Gerätebau mbH

Dortmund, Nordrhein-Westfalen, Deutschland
Published Mar 16, 2026
Full-time
Permanent

Job Summary

As a C# Software Developer at GfG, you will play a critical role in developing and designing PC software used to configure portable and stationary gas detection devices. Working for a global leader in gas measurement technology based in Dortmund, your daily responsibilities will include optimizing existing systems for industrial and laboratory technology, visualizing data from measurement systems, and collaborating closely with hardware and firmware teams. You will also lead the development of mobile applications using .NET MAUI and integrate systems with cloud services, MQTT, and web services. This position is ideal for professionals who want to work on safety-critical technology that protects lives and the environment. GfG offers a crisis-proof environment, flexible working hours via a flextime model, and a collaborative family-owned business culture with flat hierarchies and long-term career perspectives.

Required Skills

Education

Technical training or degree in Computer Science, Electrical Engineering, Physics, Chemistry, or a related field.

Experience

  • Several years of professional experience as a programmer
  • Proven experience working with C#, .NET, WPF, MVVM, and SQL databases
  • Experience in cloud connectivity, MQTT, and web services
  • Practical experience in mobile application development using .NET MAUI
  • Professional experience in software design and conceptualization

Languages

German (Fluent)English (Basic)

Additional

  • The position is based in Dortmund. Applications must be submitted exclusively through the company's application portal.