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August 8, 2026

Senior Backend Engineer (.NET)

Senior • Hybrid

24,000 - 32,000 PLN/yr

Krakow, MA, Poland

We are looking for a Senior Backend Engineer to join a team developing advanced desktop applications for manufacturing and testing environments.
This role is a good fit for someone who has strong experience with C#/.NET, enjoys solving complex technical problems.

✅ Your responsibilities:

  • Develop and maintain C# / .NET desktop applications for manufacturing and testing systems

  • Build GUI features using WPF / MVVM

  • Work with hardware integration, instrument control and automated test execution

  • Integrate Python-based test scripts into .NET applications

  • Support parallel execution, thread safety and application stability

  • Troubleshoot issues using logs, traces and system data

🧠 Our requirements:

  • 5+ years of experience with C# / .NET

  • Experience with WPF or similar GUI frameworks and MVVM

  • Good understanding of async programming, multithreading and thread safety

  • Understanding of clean architecture and testable code design

  • Experience with MongoDB or similar databases

🌟 What we offer:

  • Private healthcare

  • Real influence on technical decisions

  • Opportunity to work on a modern AI / ML product platform

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