John Haley
Phoenix, Arizona, United States
Summary
🤩
Rockstar🎓
Top SchoolJohn Haley is a seasoned engineering executive and tech advisor with over 14 years of hands-on software experience and a proven track record scaling teams and products from seed to Series B. As a former VP of Engineering who helped grow revenue from $80k to $80M and led rapid post-COVID expansion, he blends strategic leadership with deep technical chops across frontend, backend, GraphQL APIs, mobile, and ML systems. He co-created GitKraken, maintains nodegit/libgit2 contributions, and has optimized core libraries like reselect—demonstrating a rare mix of product vision and low-level open-source expertise. John is passionate about continuous improvement, mentorship, and building cross-functional teams that ship reliable, high-performance software. Based in Phoenix, he pairs a computer science foundation with liberal arts and audio-engineering studies, which informs a creative, user-focused approach to product design.
14 years of coding experience
18 years of employment as a software developer
The University of ArizonaBS, Computer Science, BS, Computer Science at Arizona State UniversityTechnical, Audio Engineering, Technical, Audio Engineering at Conservatory of Recording Arts and SciencesComputer Science, Computer Science at Scottsdale Community College
Stackoverflow
1,163reputation
84kreached
18answers
2questions
Github Skills (44)
apim10
git10
libgit210
javascript10
typesc10
c-language10
memoization10
flow-control10
testing10
github-webhooks10
work-flow10
typescript10
c1110
redux10
ruby10
Programming languages (20)
Github contributions (5)
nodegit/nodegit
Sep 2014 - Apr 2017
Native Node bindings to Git.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:42 releases, 811 commits, 409 PRs in 2 years 7 months
Contributions summary:John primarily worked on fixing tests within the `nodegit/nodegit` repository, a project related to native Node bindings for Git. Their contributions centered around addressing test failures and adapting test configurations for different environments. The user was observed to have made changes to multiple test files. Based on the commits, their focus appears to have been improving the test suite, primarily around remote functionality, as well as templating and the overall build system.
electronwindowsjavascriptlibgit2c-plus-plus
github/github-services
Sep 2011 - Sep 2012
Legacy GitHub Services Integration
Role in this project:Back-end Developer & Integration Engineer
Back-end Developer & Integration EngineerContributions:26 commits in 1 year
Contributions summary:John primarily contributed to the development of the `ontime.rb` service within the `github-services` repository, which suggests integration with a third-party system, likely for issue tracking. Their work involved implementing the core logic for receiving and processing data from GitHub push events, including parsing commit messages for related item IDs. They also addressed syntax errors, added API version checks, implemented data hashing for security, and refactored the service to align with API changes.
github-servicesintegration-services
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