Keisuke Kumada
Engineer at Yahoo! JAPAN
Chiyoda, Japan
Summary
🤩
Rockstar🎓
Top SchoolKeisuke Kumada is a systems engineer with nine years of experience building and operating developer platforms and centralized continuous delivery services at Yahoo! JAPAN. He manages his company's GitHub Enterprise and contributes to open-source CI/CD tooling, including backend and DevOps work on the well-known screwdriver-cd project where he improved command execution, workflow management, and pull-request/event handling. With a master's in Informatics from the University of Tokyo and a bachelor's from Kyoto University, he combines strong academic grounding with practical production-side expertise. Outside work he studies quantum computing, reflecting a curiosity for cutting-edge research that informs his approach to reliable, scalable delivery systems.
9 years of coding experience
修士, Informatics, 修士, Informatics at 東京大学学士, Informatics, 学士, Informatics at Kyoto University
Japanese, Chinese
Github Skills (9)
javascript10
api10
continuous-delivery10
cicd10
testing9
docker8
kubernetes8
kubernetes-pods8
dockers8
Programming languages (4)
Github contributions (5)
screwdriver-cd/screwdriver
Jan 2017 - Jul 2021
An open source build platform designed for continuous delivery.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:47 reviews, 31 commits, 46 PRs in 4 years 6 months
Contributions summary:Keisuke primarily contributed to the continuous delivery platform by fixing bugs and implementing new features related to command execution and workflow management. Their work involved modifications to step definitions, command creation endpoints, and the addition of a command validation endpoint. They also addressed issues in the CI/CD pipeline, specifically related to pull request handling and event processing. The user demonstrated proficiency in server-side logic and CI/CD pipeline configuration.
apidevopsjavascriptcontinuousdocker
kumada626/guide
Jul 2017 - Aug 2020
Screwdriver Documentation
Contributions:55 pushes, 32 branches in 3 years 2 months
screwdriver
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