Keith Thornhill is a Member of Technical Staff at OpenAI with 17 years of experience designing and operating large-scale distributed systems in fast-paced, product-driven environments. Previously a Principal Software Engineer at Twitch, he has a track record of improving deployments, testing, reliability, and observability while coaching teams to adopt service-oriented architecture and continuous delivery. He combines back-end engineering and DevOps fluency—evidenced by contributions to the well-known hystrix-go library where he implemented core circuit-breaker features and infrastructure tooling—with a pragmatic focus on ship-ready systems. Based in San Francisco, he gravitates toward work that reduces friction for colleagues, often investing his time in tooling and processes that make others more productive. Known for empathy and kindness as much as technical skill, he brings both people-first leadership and deep systems expertise to complex engineering challenges.
17 years of coding experience
20 years of employment as a software developer
BS Computer Science, BS Computer Science at Louisiana State University
Netflix's Hystrix latency and fault tolerance library, for Go
Role in this project:
Back-end & DevOps Engineer
Contributions:236 commits, 52 PRs, 132 pushes in 4 years 5 months
Contributions summary:Keith's contributions primarily involved the development and maintenance of the project's infrastructure and supporting tools. This includes setting up the environment with a Vagrant configuration including shell scripts, modifying golang code, along with integrating puppet for infrastructure management and module installation. Additionally, the user implemented core features of the Hystrix library, including support for command execution, fallbacks, and circuit breaker functionality. The work demonstrates expertise in both back-end development and DevOps practices.
visualize metrics from your factorio game in grafana
Contributions:6 releases, 36 commits, 7 PRs in 1 year 1 month
visualizein-gamefactoriografanagame-factorio
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.