Caleb Xu
Senior Software Engineer at Red Hat
Cary, North Carolina, United States
Summary
🤩
Rockstar🎓
Top School
Top expert inCross-Platform Developer Tools and Productivity Software
Caleb Xu is a senior software engineer with 12 years of experience building cloud-native infrastructure, CI/CD pipelines, and GitOps-driven configuration for enterprise platforms. He has architected and delivered automation that slashed delivery times for HCL’s Solution Factory, mentored teams on Kubernetes runbooks, and shaped APIs and microservices to support product trials and subscriptions. Caleb contributes to widely used open-source tooling—most notably Homebrew—where he refactored and tested core commands and maintained formulae and patches, demonstrating deep familiarity with package management and build systems. Now at Red Hat, he continues to apply pragmatic engineering to scalable platform problems, pairing hands-on backend work with release and automation expertise. Colleagues describe him as a practical problem-solver who blends careful code hygiene with an appreciation for reproducible builds and developer experience.
12 years of coding experience
5 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at Georgia Institute of TechnologyBachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at University of North Carolina at Chapel Hill
Chinese, English
Github Skills (21)
dependency-management10
git10
package-management10
patch10
build-system10
c1110
makefile10
ruby10
c1710
homebrew10
build-automation10
command-line-interface9
linux9
command-line9
integration-testing9
Programming languages (23)
Github contributions (5)
Homebrew/formula-patches
Aug 2020 - Jun 2022
🏥 Patches for Homebrew formulae
Role in this project:
Backend Developer
Backend DeveloperContributions:9 commits, 20 PRs, 8 pushes in 1 year 10 months
Contributions summary:Caleb primarily contributed to patching and updating various components within the Homebrew formula-patches repository. Their work involved modifying Makefiles to improve build processes, adding missing implementations, and unbundling libraries. The user also updated patches for specific software versions, ensuring compatibility. This demonstrates a focus on maintaining and improving build systems.
formulaehomebrewpatcheshomebrew-formulae
Homebrew/brew
Jul 2018 - Jan 2023
🍺 The missing package manager for macOS (or Linux)
Role in this project:Back-end Developer
Back-end DeveloperContributions:35 reviews, 50 commits, 49 PRs in 4 years 6 months
Contributions summary:Caleb's contributions primarily focused on enhancing the `extract` command within the Homebrew package manager. They refactored the command's implementation, reworked command line options and corrected existing functionality to search through older and deleted formulae versions. Further contributions involved adding integration tests and fixing issues to enhance usability.
brewpackage-managerlinuxrubymissing
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