Tommy Klein is a Systems Architect and seasoned C++/C# engineer with nearly a decade of experience modernizing native Windows UI across WinUI, File Explorer, Copilot, and Visual Studio. He has led cross-team integrations—most notably enabling WinUI 3 to run alongside WinUI 2 and integrating it into explorer.exe—while architecting tooling like Hot Reload and a .NET Core markup compiler to dramatically speed developer inner loops. Tommy combines deep low-level Windows expertise with front-end XAML work (contributing to the WinUI Gallery) and a track record of shipping high-quality staged rollouts and monitoring plans at scale. He mentors and ramps new engineers quickly, and has a knack for making complex, multi-team projects feel manageable. After a one-year sabbatical he’s seeking his next challenge where he can act as a force multiplier across product, platform, and developer tooling. Based in the Greater Seattle Area, he holds a CS degree from Carnegie Mellon and brings both product-focused pragmatism and framework-level craftsmanship.
6 years of coding experience
9 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Carnegie Mellon University
This app demonstrates the controls available in WinUI and the Fluent Design System.
Role in this project:
Front-end Developer
Contributions:3 reviews, 20 commits, 22 PRs in 1 year 3 months
Contributions summary:Tommy primarily focused on updating the XamlControlsGallery application to align with WinUI 3 and subsequent preview releases. Their contributions included updating existing UI elements, implementing new features, and modifying XAML code. They also made adjustments to the desktop version of the gallery, addressing windowing and layout issues. The user's work involved adapting the application to the evolving WinUI framework.
Contributions:2 reviews, 4 comments, 4 issues in 1 year
winui3dotnetprojectionwindows-runtimewindows
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Tommy Klein - Systems Architect at US Tech Solutions