Andy Himberger is a Principal Software Engineer and engineering leader with over two decades of experience and a decade in senior roles, based in Portland, Oregon. He currently leads Copilot infrastructure and service efforts for Outlook at Microsoft and previously managed cross-platform and mobile Outlook teams focused on AI, personalization, and device form factors. Andy blends deep systems and UI expertise—from C++/Objective-C/Swift to React Native—with hands-on contributions to high-profile open source work like react-native-windows. Known for shipping major modernizations (including the Windows Mail & Calendar rewrite and Word display/scrolling overhauls), he excels at turning platform complexity into polished user experiences. He pairs people leadership with continued technical craftsmanship, often driving accessibility, cross-platform compatibility, and migration of legacy components to modern stacks. Colleagues rely on him for pragmatic architecture decisions that balance long-term maintainability with shipping customer-facing features.
10 years of coding experience
9 years of employment as a software developer
Bachelor of Science (BS) Computer Science, Bachelor of Science (BS) Computer Science at Iowa State University
A framework for building native Windows apps with React.
Role in this project:
Full-stack Developer
Contributions:67 commits, 136 PRs, 64 pushes in 5 months
Contributions summary:Andy primarily contributed to the React Native Windows project by porting recent changes to RNWCPP. This involved modifications to core components such as `LegacyWebSocket.cpp`, `CalendarViewViewManager.cpp`, and `ViewViewManager.cpp`. They also made updates to accessibility features, including implementation of view role support, and accessibility events, along with fixes for focus events and other code cleanups. The user further enhanced various components like <Glyph> and updated the codebase to be compatible with newer versions of React Native.
A framework for building native UWP and WPF apps with React.
Contributions:45 pushes, 66 branches in 6 months
xamlreactdotnetuwpcsharp
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Andy Himberger - Principal Software Engineer at Microsoft