Morten Nielsen
Lead Developer, Senior Principal Software Engineer at ESRI
Redlands, California, United States
Summary
🤩
Rockstar🎓
Top SchoolMorten Nielsen is a Lead Developer and Senior Principal Software Engineer with nearly two decades building .NET-driven GIS platforms, currently steering the ArcGIS Runtime SDK for .NET at Esri. He combines deep API design expertise with hands-on cross-platform UI work across WPF, WinUI, Xamarin and .NET MAUI, and has led award-winning APIs that enable rich mapping applications. A long-time Microsoft MVP (since 2008) and early .NET adopter, he thrives on challenging R&D problems involving large spatial datasets, imagery and performant geometry handling. Morten is also a prolific open-source maintainer—original author of SharpMap and Proj.NET—and contributes to prominent projects like .NET MAUI and the Windows Community Toolkit. He mentors teams, reviews multi-platform API designs across Esri’s runtimes, and regularly shares knowledge via conference talks and live-coding. Based in Redlands, CA, he balances day-job GIS engineering with IoT and .NET hobby projects that keep his platform skills sharp.
20 years of coding experience
6 years of employment as a software developer
Math, English, Music, Math, English, Music at SvendborgTechnical University of Denmark
Danish, English, German, Norwegian, Swedish
Stackoverflow
1,967reputation
233kreached
126answers
0questions
Github Skills (50)
ios10
c-language10
xaml10
msbuild10
maui10
uwp10
net10
xamarin10
dotnet-new10
dotnet10
winui10
arcgis10
asp-net-core10
net-maui10
asp-net10
Programming languages (21)
Github contributions (5)
Esri/arcgis-maps-sdk-dotnet-samples
Mar 2014 - Dec 2022
Sample code for ArcGIS Maps SDK for .NET – WPF, WinUI, .NET MAUI
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:55 reviews, 61 commits, 68 PRs in 8 years 9 months
Contributions summary:Morten's commits primarily focus on the development of samples for the ArcGIS Maps SDK for .NET. Contributions include adding and modifying samples, particularly related to graphics layers, to demonstrate functionality across different .NET platforms such as WPF, WinUI, and .NET MAUI. The user also updated samples to leverage immutable geometry and viewpoint features. The user is also responsible for fixing and improving samples based on the API changes.
arcgisdotnetmauiwinuiwpf
microsoft/XamlBehaviorsWpf
Dec 2018 - Oct 2019
Home for WPF XAML Behaviors on GitHub.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:22 commits, 4 PRs, 50 comments in 10 months
Contributions summary:Morten primarily focused on refactoring and modernizing the project's build process. They migrated the project to use .csproj files, removing strong naming and scripts. They added support for .NET Core 3.0 and fixed platform-specific references. They also addressed PR feedback by removing output paths and license URLs, switching to a license expression, and fixing unit tests for .NET Core, showing a strong understanding of the project's build configuration and compatibility.
wpfxaml
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