Hironao Otsubo
最高技術責任者 at 株式会社はてな
Kyoto, Kyoto Prefecture, Japan
Summary
🤩
Rockstar🎓
Top SchoolHironao Otsubo is a seasoned engineering leader with 18 years of experience, currently serving as Chief Engineer at Hatena in Kyoto. He blends hands-on backend development with team-level technical stewardship, shipping pragmatic tooling and improving developer workflows. An active open-source contributor, Hironao has made notable contributions to popular Go projects such as gore (a feature-rich Go REPL) and ghq (remote repository management), focusing on usability, command handling, and integrations like Pocket. Known for refactoring and designing clear repository layouts and authentication flows, he brings a practical emphasis on maintainability and developer experience. Quietly detail-oriented, he often surfaces small usability fixes that disproportionately improve productivity across teams.
18 years of coding experience
学士 (工学), 学士 (工学) at 東京大学
Japanese, スペイン語
Github Skills (15)
apim10
command-line-interface10
rep10
go10
code-completion10
api10
repr10
command-line10
cli10
git9
user-authentication8
authentication8
command-line-tool8
github-api8
testing7
Programming languages (19)
Github contributions (5)
x-motemen/ghq
Apr 2014 - Nov 2018
Remote repository management made easy
Role in this project:
Back-end Developer
Back-end DeveloperContributions:18 releases, 203 commits, 32 PRs in 4 years 7 months
Contributions summary:Hironao primarily focused on enhancing the core functionality of the `ghq` project, introducing features like a Pocket integration for retrieving GitHub entries. They implemented new commands and configurations for authentication and retrieval of data from external services. The user also refactored the project, changing the repository layout and refactoring existing code to improve clarity.
remote-repository
x-motemen/gore
Feb 2015 - Mar 2018
Yet another Go REPL that works nicely. Featured with line editing, code completion, and more.
Role in this project:Back-end Developer
Back-end DeveloperContributions:122 commits, 45 PRs, 58 pushes in 3 years 1 month
Contributions summary:Hironao primarily contributed to the development of "gore", a Go REPL. Their work focused on implementing core functionalities such as line editing, code completion, and import handling. They worked on integrating and testing code, including implementing quick fixes, managing session state and file handling. The user also designed and added features for command handling, which greatly impacted the usability of "gore".
code-completiongo
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