Cooper Partin
Senior Software Engineer at Microsoft
Bellevue, Washington, United States
Summary
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RockstarCooper Partin is a senior software engineer with 12+ years of experience building low-level graphics, media, and OS features at Microsoft, based in Bellevue, Washington. He has deep C++/C# expertise across Windows and Xbox platforms, contributing to core components like DirectStorage, OpenGL ES-to-DirectX translation (ANGLE), image decoding and media playback, and portable device frameworks. At Microsoft he has moved between teams—from XNA and Xbox core platform work to operating systems graphics—demonstrating versatility in both platform and hardware-near development. His open-source contributions to the high-profile microsoft/angle project include robustness fixes, Windows Store and certification compliance, and rendering improvements, reflecting a practical focus on reliability and certification readiness. Known for diagnosing subtle memory-corruption issues and hardening rendering paths, he pairs long-term product stewardship with hands-on bug fixing and performance-minded enhancements.
12 years of coding experience
2 years of employment as a software developer
Github Skills (11)
egl10
memory-management10
debug10
c-language10
direct3d10
cprogramming-language10
directx10
opengl-es9
api8
apidoc8
geometry-shader7
Programming languages (6)
Github contributions (5)
microsoft/angle
May 2014 - Feb 2016
ANGLE: OpenGL ES to DirectX translation
Role in this project:
Back-end Developer
Back-end DeveloperContributions:130 commits, 1 PR, 16 pushes in 1 year 9 months
Contributions summary:Cooper primarily contributed to bug fixes and enhancements within the ANGLE project. Their work involved fixing a potential memory corruption issue related to null renderer dereferencing. Furthermore, they added support for Universal Windows Store and Windows certification kit compliance. Also, the user improved several rendering methods such as point sprite rendering to be more resilient.
opengl-estranslationdirectxangleopengl
coopp/llvm-project
Feb 2024 - Jan 2025
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
Contributions:27 pushes, 4 branches in 11 months
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