Amadeusz Wieczorek is a Senior Software Engineer in Seattle with 12 years of experience building developer-facing tools that keep people productive and in the flow. At Microsoft he shapes the Visual Studio editor—refactoring navigation to be asynchronous and designing async IntelliSense completion—bringing deep expertise in C#, WPF, and editor UX. He co-founded Code Connect, shipping an interactive programming tool integrated with Roslyn that was acquired by Microsoft, demonstrating both product instincts and performance-driven engineering. His open-source contributions include work on Roslyn and Visual Studio extensibility samples, notably implementing context-aware JSON code completion and the Smart Rename UI, reflecting a focus on practical, high-impact IDE features. Comfortable across full-stack editor scenarios, he also brings a background in real-time visualization and patented work from prior roles, showing unusual breadth from low-level graphics and shaders to high-level developer tooling.
12 years of coding experience
4 years of employment as a software developer
BASc, Computer Engineering, BASc, Computer Engineering at University of Waterloo
Samples for building your own Visual Studio extensions
Role in this project:
Full-stack Developer
Contributions:24 commits, 2 PRs, 12 comments in 3 months
Contributions summary:Amadeusz appears to be working on a Visual Studio extension, primarily focused on implementing code completion features for a JSON-based language. Their contributions involve defining a completion source, item manager, and commit manager. The user developed a sample completion source for JSON and implemented features like tooltips and filtering. Furthermore, the code includes the integration of a catalog for elements, suggesting an effort to provide context-aware code completion.
The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.
Role in this project:
Full-stack Developer
Contributions:32 reviews, 10 commits, 26 PRs in 1 year 4 months
Contributions summary:Amadeusz primarily contributed to the development of the Smart Rename feature within the Roslyn compiler. Their work involved implementing UI components, specifically for the WPF-based SmartRenameUserInputComboBox, and integrating them with the backend logic. They focused on managing the display and behavior of rename suggestions, including automatic suggestion toggling, progress indicators, and integration with keyboard shortcuts. They also implemented telemetry to gather metrics on feature usage.
roslyndotnetf-sharpcompilervisual-basic
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Amadeusz Wieczorek - Senior Software Engineer at Microsoft