Alexander Cooper
Senior Software Engineer at Google
Greater Seattle Area United States
Summary
🤩
Rockstar🎓
Top SchoolAlexander Cooper is a Senior Software Engineer with seven years of professional experience building user-facing and systems software at Google and Microsoft, now based in the Greater Seattle Area. He specializes in mixed-reality and web platform work, contributing to Chromium and the Web Platform Tests where he improved WebXR/OpenXR features, test coverage, and Android edge-to-edge rendering. His background includes shipping first-party HoloLens and Windows apps, as well as infrastructure for performance and model-based testing, reflecting a blend of product-facing development and tooling. Comfortable across the full stack, he focuses on stability and correctness in complex real-time input and XR scenarios. Colleagues would note his steady iteration on tests and runtimes—an often-overlooked strength that keeps features reliable in production.
7 years of coding experience
8 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science, 3.68, Bachelor of Science (B.S.), Computer Science, 3.68 at University of Virginia
Github Skills (13)
javascript10
web-development10
webxr10
openxr10
test-automation10
testing10
cprogramming-language9
dom9
android9
c-language9
browser9
html9
chrome8
Programming languages (8)
Github contributions (5)
web-platform-tests/wpt
Mar 2019 - Jan 2023
Test suites for Web platform specs — including WHATWG, W3C, and others
Role in this project:
Front-end Developer
Front-end DeveloperContributions:47 commits, 34 comments in 3 years 10 months
Contributions summary:Alexander contributed to the WebXR test suite, focusing on implementing and refining tests for various WebXR features. They addressed issues related to WebXR device behavior, including ensuring correct session handling, and implementing and expanding functionality within the testing API. The commits demonstrate a focus on user input, with additions to input-related test cases and the handling of gamepad functionality within the test environment. They have also made changes to the test framework to improve test stability and correctness.
microsoft-edgetest-runnerspecssafarifirefox
chromium/chromium
Oct 2019 - Jan 2023
The official GitHub mirror of the Chromium source
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:28 commits in 3 years 3 months
Contributions summary:Alexander's contributions primarily focus on enhancing and maintaining the Chromium browser's WebXR (Web Real Reality) and OpenXR (Open eXtended Reality) features. They addressed various issues related to WebXR tests, including those involving incognito mode and the integration of mock XR devices. The user also implemented fixes and improvements for the OpenXR runtime, including updating dependencies, and improving the end-session flow on Android. Furthermore, the user also worked on adjusting the ARCode activity for edge-to-edge rendering.
chromiumgithub-mirrorchrome
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