Krzysztof Kasprowicz
Starszy Inżynier Ds. Oprogramowania at QIAGEN
Kuyavian-Pomeranian Voivodeship, Poland
Summary
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RockstarKrzysztof Kasprowicz is a .NET and C# full-stack developer with four years of professional experience, blending backend expertise in ASP.NET Core and Entity Framework with desktop (WPF, WinForms) and Blazor web interfaces. He has a strong freelance background and currently holds senior engineering roles at Sii Poland and QIAGEN, delivering production-ready solutions and UI/UX-aware desktop apps. An active open-source contributor, Krzysztof has contributed bug fixes, unit tests, and security patches to Microsoft’s high-profile Semantic Kernel repository, demonstrating attention to build quality and secure coding. He’s also exploring AI integration and prompt engineering with Gemini and OpenAI models, bringing LLM capabilities into .NET projects. Known for pragmatic problem solving and a commitment to clean, testable code, he balances community contributions with hands-on delivery for enterprise clients.
4 years of coding experience
9 years of employment as a software developer
Stackoverflow
1reputation
0reached
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Github Skills (11)
net10
asp-net10
dotnet10
openai10
sdk10
csharp10
dotnet-core10
llm9
ai9
artificial-intelligence9
unit-testing8
Programming languages (7)
Github contributions (5)
microsoft/semantic-kernel
Dec 2023 - Mar 2025
Integrate cutting-edge LLM technology quickly and easily into your apps
Role in this project:
Back-end Developer
Back-end DeveloperContributions:248 reviews, 79 PRs, 447 comments in 1 year 3 months
Contributions summary:Krzysztof primarily contributed to the .NET implementation of the Semantic Kernel, specifically fixing bugs and enhancing example code. They addressed issues related to incorrect plugin output and exception handling within the example applications. Furthermore, the user demonstrated a clear understanding of the repository's contribution guidelines by ensuring code builds without errors, adhering to formatting standards, and adding unit tests. The user also addressed a security vulnerability related to the use of hidden parameters.
aiartificial-intelligencellmopenaisdk
Krzysztof318/semantic-kernel
Dec 2023 - Mar 2025
Integrate cutting-edge LLM technology quickly and easily into your apps
Contributions:520 pushes, 149 branches, 1 issue in 1 year 3 months
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