Kohsuke Kawaguchi
Co-head Of AI at Jenkins project
San Jose, California, United States
Summary
🤩
Rockstar🎓
Top SchoolKohsuke Kawaguchi is a veteran software builder and leader with 22 years of experience who created and continues to steward the Jenkins ecosystem—an open-source CI/CD platform with 1,500+ plugins—and now co-heads AI at CloudBees from San Jose. He blends deep hands-on engineering (Java, CI/CD, DevOps) with product and community strategy, having scaled CloudBees from a small startup to a company supporting large enterprise deployments. His open-source contributions span core Jenkins components, plugins, testing harnesses and tooling (including work on Jenkinsfile Runner and Git/EC2/S3 integrations), reflecting rare expertise across backend, full-stack and test automation. Known for shipping pragmatic fixes and refactors—ranging from security hardening to UI improvements—he pairs technical rigor with an ability to incubate new products and grow developer communities. A Cornell M.Eng and University of Tokyo alumnus, he also advises startups and organizations, quietly influencing CI/CD and developer productivity practices industry-wide.
22 years of coding experience
24 years of employment as a software developer
University of TokyoM.Eng Computer Science, M.Eng Computer Science at Cornell University
Japanese, English
Stackoverflow
3,567reputation
228kreached
31answers
11questions
Github Skills (115)
ec10
github10
cloud-computing10
sendmail10
testing10
plugin-development10
maven-plugin10
authentication10
test-framework10
sc10
security10
e-mail10
asp-net10
javas10
automation10
Programming languages (21)
Github contributions (5)
jenkinsci/maven-plugin
Nov 2010 - Oct 2014
Role in this project:
Back-end Developer
Back-end DeveloperContributions:795 commits in 3 years 11 months
Contributions summary:Kohsuke primarily contributed to the maintenance and enhancement of the Maven plugin. Their work involved refactoring and fixing several bugs within the project, including addressing issues with the classworlds and class loading, and fixing NullPointerExceptions. They also made improvements to the plugin's handling of environment variables and the automatic inclusion of test dependencies. The commits indicate a focus on improving the plugin's reliability and functionality.
kohsuke/args4j
Jun 2011 - Dec 2022
args4j
Role in this project:Back-end Developer
Back-end DeveloperContributions:269 commits, 21 PRs, 63 pushes in 11 years 8 months
Contributions summary:Kohsuke's commits primarily focus on modifying the `args4j` library, particularly related to the parsing of command-line arguments and the handling of different option types. They introduced new features such as handling array options and refactored the existing code base to improve the way the map option handler works. The commits also include fixes and improvements to the documentation. In addition, they contributed to the sub-command pattern implementation.
javacommand-line-parserargument-parsing
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