Gerald Versluis is a Senior Software Engineer at Microsoft with 11 years of experience building cross-platform mobile and desktop apps, currently focused on .NET MAUI. He combines deep platform expertise (iOS/Android) with automation and build/release skills, having contributed to core projects like dotnet/maui, Xamarin.Forms, and the Xamarin Community Toolkit. Gerald is an active open-source contributor and maintainer of developer-friendly tooling and samples—his work includes Appium UI tests for MAUI samples and CI/signing pipelines for the Community Toolkit. He founded and organizes .NET MAUI Day (formerly XamExpertDay), reflecting his ongoing commitment to community education and events. Based in Maastricht, he balances large-company impact at Microsoft with freelance projects and public speaking through his Verslu.is consultancy. Colleagues know him for pragmatic UX-focused engineering and a tendency to surface small cross-platform fixes that dramatically improve developer experience.
10 years of coding experience
15 years of employment as a software developer
MBO Information Technology IT Management IT Infrastructure, MBO Information Technology IT Management IT Infrastructure at Deltion College
Bachelor’s Degree Information Sciences, Bachelor’s Degree Information Sciences at Windesheim
The Xamarin Community Toolkit is a collection of Animations, Behaviors, Converters, and Effects for mobile development with Xamarin.Forms. It simplifies and demonstrates common developer tasks building iOS, Android, and UWP apps with Xamarin.Forms.
Role in this project:
Mobile Developer (Android/iOS)
Contributions:50 releases, 304 reviews, 159 commits in 2 years 6 months
Contributions summary:Gerald primarily contributed to the iOS implementation of the CameraView, including implementing core functionality, code cleanup, and applying suggestions from code reviews. They also refactored the camera view, including the renaming of CameraCaptureOptions and the removal of SavePhotoToFile. The user also fixed various minor issues.
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Role in this project:
Full-stack Developer
Contributions:1 review, 45 commits, 200 PRs in 3 years 11 months
Contributions summary:Gerald contributed to the development of the Planet Xamarin aggregator, primarily focusing on the web interface. Their work included adding author information, implementing styling and UI improvements, and integrating a search bar for authors. Furthermore, they made changes to the feed display, enhancing the presentation of content and updating the site's responsiveness for different devices. They also fixed a non-SSL loading issue for images.
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