Konstantin Preißer
.NET-Softwareentwickler at Traeger GmbH
Weismain, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolKonstantin Preißer is a .NET software developer with 10 years of experience, currently engineering desktop and system-level solutions from Weismain, Bavaria. At Traeger GmbH he focuses on .NET and Windows Forms, and has made notable open-source contributions such as implementing the Windows Task Dialog in dotnet/winforms and improving CefSharp to support .NET Core and ARM64. His work spans low-level interop, performance optimization, and compiler/runtime fixes—evident from contributions to Microsoft TypeScript and the Jurassic .NET JavaScript engine. Comfortable across back-end and full-stack tasks, he combines practical product delivery with deep platform expertise and a penchant for stabilizing complex native-managed boundaries.
10 years of coding experience
Informatics, Informatics at Ostbayerische Technische Hochschule Regensburg
Github Skills (42)
application-framework10
debug10
javascript10
wp-api10
net10
app-framework10
typescript10
dotnet10
winapi10
interop10
cefsharp10
data-structure10
typechecker10
standard-library10
netframework10
Programming languages (8)
Github contributions (5)
paulbartrum/jurassic
Aug 2016 - Jan 2019
A .NET library to parse and execute JavaScript code.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:16 commits, 14 PRs, 42 comments in 2 years 6 months
Contributions summary:Konstantin primarily focused on improving the Jurassic .NET library for parsing and executing JavaScript code. Their contributions involved refactoring and enhancing the stack trace functionality, enabling source mapping and hiding specific stack frames. They also addressed several bugs, including issues with object creation, the `in` operator, and the `MapInstance.Set()` method. Furthermore, they improved the error handling and overall stability of the JavaScript engine.
net-librarydotnetjavascriptcompilercsharp
dotnet/winforms
Dec 2019 - Nov 2020
Windows Forms is a .NET UI framework for building Windows desktop applications.
Role in this project:Back-end Developer & Windows Forms Specialist
Back-end Developer & Windows Forms SpecialistContributions:3 reviews, 11 commits, 11 PRs in 11 months
Contributions summary:Konstantin primarily contributed to bug fixes and performance improvements within the .NET Windows Forms framework. Their work involved addressing issues in interop functions like `GetWindowText` and `BitBlt`, resolving COM exceptions for legacy dialogs, and optimizing interop functions like `Enum*Windows()` for better performance. Additionally, the user implemented the Windows Task Dialog and addressed incorrect argument calls, demonstrating a deep understanding of Windows API and system-level programming.
dotnetuwpwindows-desktopwindowsui-framework
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