unvalley
Software Engineer
I’m a software engineer based in Tokyo, writing mostly Rust and TypeScript. I’m a core contributor to Biome, and on the side I build small, focused tools. Curiosity is the key.
Collections
Projects
Talks
- Plugin System in Rust based JavaScript/TypeScript LintersTSKaigi 2025
- OSSと継続的に関わる方法の模索maguro.dev #1
- AIと作るEphemeral Markdown PaperFindy LT
- Thoughts and experiences on Rust and TypeScriptnagoya.ts #3
- Next generation front-end crosstalkVue Fes 2024
- Rust製TypeScript Linterにおける型情報Lintルールの模索TSKaigi 2024
- Behind VS Code Extensions for JavaScript / TypeScript Linting and FormattingVSCode JP 2024
- Behind Biome | Biomeの裏側 (Parser/Linter)burikaigi 2024
- Biome is for JavaScriptersWeJS #43
- Better Unit TestingEnglish Night #13