I'm Thomas Sebastian Jensen β most people just call me Sebastian.
Iβm a Senior Software Engineer & Team Lead focusing on modern .NET development, building apps, tools, samples and libraries for developers around the world.
I love creating open-source packages, writing technical articles, and exploring the latest in AI, .NET, and cross-platform development.
- π» Focusing on C#, ASP.NET Core, Blazor, and .NET MAUI
- π¨ Learning Swift & SwiftUI
- π¦ Publishing NuGet packages and maintaining OSS libraries
- βοΈ Writing blog posts in
- π©πͺ German: tsjdev-apps.de
- π¬π§ English: medium.com/@tsjdevapps
- π¦ X/Twitter: @tsjdevapps
- πΌ LinkedIn: in/thomassebastianjensen
βΆοΈ YouTube: youtube.com/@tsjdevapps- π§ Email: [email protected]
- Boost YourΒ .NET Workflow with the New TOON File Support in Visual Studio
- Compare OpenAI Models Side-by-Side with Blazor Server
- Create AI videos with Sora-2 usingΒ .NET
- Exploring GitHub Models with aΒ .NET Console Chat Application
- GitHub Actions Locally with act
- Desktop-Apps entwickeln β schnell, modern und plattformΓΌbergreifend mit Avalonia
- PicCaptionr erhΓ€lt ein groΓes Update: Jetzt mit .NET 10 & den neuesten OpenAI-Modellen
- Flags Quiz β Ein interaktives Flaggen-Quiz mit HTML, JavaScript und Bulma
- Meine GitHub-Projekte β Innovation mit .NET, KI und KreativitΓ€t
- Event-Tipp: .NET Conf 2025
If you like what I do, feel free to support me β by using my projects, sharing my work, or buying me a coffee.






