Mitsuyuki Shiiba
VP Of Technology at 株式会社カケハシ
Osaka, Japan
Summary
👤
Senior🎓
Top SchoolMitsuyuki Shiiba is a seasoned technology leader with 13 years of experience building web applications and leading engineering teams across Japan and internationally. Currently VP of Technology at 株式会社カケハシ, he has a hands-on background in Java, Clojure, PHP, JavaScript/TypeScript and modern delivery practices like Docker, Kubernetes, Agile and Scrum. His career includes long-form product and platform work at Rakuten and full-stack cloud engineering at CircleCI, giving him deep experience in scalable, reliable systems and CI/CD. He speaks about cultural influences on process — notably rethinking Scrum from a Japanese perspective — and blends technical craftsmanship with people-centric leadership. Trained in physics at Kyoto University, he brings analytical rigor and a practical, multidisciplinary approach to complex engineering challenges, and is known for balancing technical drive with family life as a devoted father.
13 years of coding experience
14 years of employment as a software developer
Bachelor's degree, Physics, Bachelor's degree, Physics at Kyoto University
Japanese, Chinese
Github Skills (84)
circleci10
api-blueprint10
redoc10
documentation10
api-documentation10
jekyll10
thymeleaf10
reactive9
circleci-orb9
akka9
high-performance9
streaming9
kotlin9
concurrent9
java9
Programming languages (10)
Github contributions (5)
bufferings/kanjava-party-2017
Jun 2017 - Jun 2017
Contributions:41 commits, 37 pushes, 1 branch in 7 days
bufferings/jsug-shop
Feb 2016 - Jul 2022
Contributions:1 push, 4 branches in 6 years 5 months
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