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

GfG Gesellschaft für Gerätebau mbH

Dortmund, Nordrhein-Westfalen, Deutschland
Published Feb 3, 2026
Full-time
Permanent

Job Summary

This role involves contributing to safety and environmental protection by developing and optimizing software for advanced gas detection systems for a leading hidden champion in Dortmund. The C# Software Developer will focus on the design and development of PC software used for configuring portable and stationary gas measuring devices, as well as the optimization of existing industrial and laboratory systems. A core part of the job includes modern application development, specifically creating apps using .NET MAUI, and integrating these systems via Cloud Services, MQTT, and Web Services. You will collaborate closely with hardware and firmware teams to evaluate and visualize measurement data. The ideal candidate possesses a technical background in fields like Computer Science or Electrical Engineering, several years of programming experience, and strong proficiency in C#, .NET, WPF, and SQL databases. This position offers stability, flexible hours, flat hierarchies, and the chance to work on impactful safety-critical technology.

Required Skills

Education

Technical education or training in Computer Science, Electrical Engineering, Physics, Chemistry, or a similar technical field.

Experience

  • Several years of professional experience as a programmer
  • Experience with C#, .NET, WPF, MVVM, and SQL databases
  • Experience in developing and connecting to Cloud Services, MQTT, and Web Services
  • Experience in app development using .NET MAUI

Languages

German (Fluent)English (Intermediate)

Additional

  • Not specified