Hiroki Takatsuka
Head Of SRE at primeNumber Inc.
Suginami, Japan
Summary
🤩
Rockstar🎓
Top SchoolHiroki Takatsuka is a Head of SRE with 11 years of experience building and operating reliable production systems from Yahoo to primeNumber Inc., where he progressed from SRE to Lead Engineer and now leads the SRE organization. He combines hands-on backend and DevOps skills—demonstrated by contributions to the popular open-source CI/CD platform Screwdriver—with leadership in incident management, CI/CD configuration, and test automation. Based in Suginami, Japan, he pairs a Master’s in Computational Science from Kobe University with a track record of shipping durable, observable systems at scale. Colleagues describe him as a pragmatic engineer-manager who refactors tests and pipelines as readily as he defines SRE strategy. He’s particularly strong at bridging developer workflows and operational reliability, turning nuanced test and webhook improvements into measurable deployment stability.
11 years of coding experience
8 years of employment as a software developer
Master of Engineering - MEng, Department of Computational Science, Master of Engineering - MEng, Department of Computational Science at 神戸大学
Github Skills (11)
javascript10
continuous-delivery10
continuous-integration10
cicd10
testing10
api9
kubernetes8
kubernetes-pods8
dockers7
docker7
python3
Programming languages (15)
Github contributions (5)
screwdriver-cd/screwdriver
Apr 2017 - Nov 2019
An open source build platform designed for continuous delivery.
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:29 reviews, 37 commits, 22 PRs in 2 years 7 months
Contributions summary:Hiroki contributed to improving the notification plugin registration process and added a step definition for shared steps, indicating work on backend functionality and testing. They also refactored and fixed tests related to notifications and banner plugins, implying work on test automation and possibly the API. Additionally, the user made changes related to environment variables for functional tests and updated the webhook plugin, showing involvement in CI/CD configurations and potentially deployment.
apidevopsjavascriptcontinuousdocker
trocco-io/push-gem-to-gpr-action
Dec 2021 - Jun 2023
Contributions:6 releases, 1 review, 2 PRs in 1 year 5 months
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