Barry O'reilly
Software Engineer at Google
San Francisco Bay Area United States
Summary
👤
Senior🎓
Top SchoolBarry O'reilly is a seasoned software engineer with 13 years of experience and a strong 6+ year track record in defense systems, now working at Google from the San Francisco Bay Area. He specializes in real-time, safety-critical C++ systems on UNIX/Linux and has a proven aptitude for integrating disparate team codebases with commercial and custom hardware. Barry has deep troubleshooting skills—routinely diagnosing complex root causes from race conditions to synchronization flaws—and was designated Key Code Inspector for his C++ expertise. His background includes satellite, radar, and radiation-detection systems where he led integration, networking, and build-system modernizations that enabled fielded demonstrations and follow-on contracts. He holds prior DoD secret clearance with TS/SCI access via SSBI and is recognized by multiple individual and team awards for technical impact. Colleagues describe him as highly skilled, amiable, and effective across small and very large interdisciplinary teams.
14 years of coding experience
9 years of employment as a software developer
BS, Mathematics and Computer Science, BS, Mathematics and Computer Science at University of Colorado at Denver
English, Japanese
Github Skills (19)
aquamacs9
emacs7
editing7
gnu6
gutter6
mercurial5
debian5
chrome-extension4
vim4
version-control4
editor3
extensible3
chrome3
emacs-package2
parser2
Programming languages (2)
Github contributions (5)
epich/unihome
Mar 2015 - May 2026
Contributions:113 pushes in 11 years 3 months
epich/apear
Jul 2017 - Nov 2017
Contributions:21 pushes, 1 branch in 4 months
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