Yasuhiro Matsumoto
Unknown at unknown
Hyogo Prefecture, Japan
Summary
🤩
RockstarYasuhiro Matsumoto is a 23-year veteran software engineer based in Hyogo, Japan, known for deep expertise in Go and extensive open-source contributions across tooling, editors, and Windows compatibility. A long-time Go user and Google Developer Expert for Go, he has authored and improved many Go libraries and developer tools (notably vim plugins, language servers, and utilities like goreman and go-sqlite3) and has repeatedly solved tricky cross-platform and Windows-specific problems. His work bridges back-end systems, DevOps, and editor/IDE integrations—frequently improving developer experience via plugins (vim-plug, emmet-vim, vim-lsp) and language tooling. He also contributes to language and runtime projects (golang/go, golang/crypto) and practical ML examples (Gorgonia), showing a balance of systems-level rigor and applied engineering. An underrated strength is shipping pragmatic cross-platform fixes that keep popular developer tools working reliably on Windows and CJK environments.
22 years of coding experience
Stackoverflow
7,651reputation
1.9mreached
231answers
0questions
linux
top-5%
go
top-5%
Github Skills (200)
dependency-management10
gist10
visual-studio-code-extension10
parser10
package-management10
python10
wp-api10
testing10
windows10
plugin-development10
statusline10
vimscript10
object-model10
command-line-interface10
rspec10
Programming languages (32)
Github contributions (5)
previm/previm
Mar 2016 - Dec 2022
Realtime preview by Vim. (Markdown, reStructuredText, textile)
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:8 reviews, 176 commits, 105 PRs in 6 years 10 months
Contributions summary:Yasuhiro primarily contributed to the front-end of the project, as evidenced by their work on image path handling, HTML structure and asset management. They also made several improvements to the project, including enabling plantuml and implementing auto-close, suggesting attention to the overall user experience and core functionality. They also made code adjustments for Windows compatibility, indicating cross-platform development.
realtimemermaidvimrestructuredtextasciidoc
nsf/termbox-go
Nov 2013 - Dec 2020
Pure Go termbox implementation
Role in this project:Back-end Developer
Back-end DeveloperContributions:13 commits, 14 PRs, 31 comments in 7 years 2 months
Contributions summary:Yasuhiro primarily focused on improving the `termbox-go` library's Windows implementation. They addressed issues related to console handling, including closing handles, setting input modes, and handling CJK character widths. Additionally, the user fixed rendering issues with multi-byte strings, ensuring correct display on Windows 10. Their work included both code fixes and formatting improvements.
golang8bitpure-gogotermbox
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