Rex Hoffman
Software Engineer at Google
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolRex Hoffman is a software engineer with 14 years of hands-on experience building developer productivity tooling and JVM-based ecosystems, currently improving Android developer testing at Google. He specializes in build systems, compilers, annotation processors, and CI/CD automation—having led large-scale efforts at Salesforce, Facebook/Diem, and other enterprises to speed feedback and reduce technical debt. Rex favors meta-programming and dependency injection to enforce architecture and correctness automatically, and has implemented compile- and runtime checks used by thousands of developers. He contributed CI/CD and automated testing improvements to the high-profile Diem project, optimizing builds and Docker-based pipelines to prevent OOMs and automate image publishing. Comfortable across languages (Rust, Python, C++, TypeScript), he blends hacker curiosity with teaching instincts, enjoying pair programming and mentoring teams in testing and modular design. Based in San Francisco, he trusts machines to catch architectural violations so engineers can move faster with confidence.
14 years of coding experience
21 years of employment as a software developer
Bachelors Computer Science, Bachelors Computer Science at University of Central Florida
Github Skills (19)
github-ci10
docker10
scripting10
dockers10
cicd10
script10
lang10
sh10
move10
rust10
shell10
movelang10
githubaction-workflow10
blockchain9
smart-contracts9
Programming languages (5)
Github contributions (5)
diem/diem
Jan 2020 - Sep 2021
Diem’s mission is to build a trusted and innovative financial network that empowers people and businesses around the world.
Role in this project:
DevOps Engineer
DevOps EngineerContributions:719 reviews, 290 commits, 353 PRs in 1 year 8 months
Contributions summary:Rex primarily contributed to the continuous integration and continuous deployment (CI/CD) aspects of the project. They added a test layer to the Docker file, modified build and test scripts, and improved the build process. These changes included modifying coverage reports, and optimizing the build process to prevent out-of-memory errors during linking. The user also worked on automating image publishing.
diemfinancialtrustedethereumblockchain
diem/actions
Apr 2021 - Jul 2021
Contributions:34 reviews, 43 commits, 26 PRs in 3 months
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.