Software Engineer · Test Engineer · OSS Contributor
Building useful tools, improving software quality, and contributing to the projects I use.
About / Extensions / Stack / Open source
I'm a Japanese engineer working across web, mobile, test automation, and developer tooling. I enjoy making everyday development smoother — through a useful extension, a reliable test, or a small OSS improvement.
- What I work on — software development, test engineering, CI, and developer experience.
- What I'm exploring — cloud platforms, backend frameworks, and mobile development with Kotlin and Gradle.
- How I contribute — bug fixes, tests, docs, maintenance, typing, and tooling.
- Beyond code — studying English to communicate better with global communities.
Small tools for everyday development and mobile testing.
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Manage npm dependencies from your editor and make dependency maintenance part of your everyday workflow. DEPENDENCIES · DEVELOPER TOOLS Marketplace ↗ · Source ↗ |
Copy file paths directly from your editor with a small, focused utility. FILE PATHS · PRODUCTIVITY Marketplace ↗ · Source ↗ |
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Bring Appium Inspector closer to your development workflow. APPIUM · MOBILE TESTING Marketplace ↗ · Source ↗ |
Manage mobile emulators from your editor for smoother mobile app testing. MOBILE TOOLING · IN DEVELOPMENT Marketplace ↗ · Source ↗ |
| Area | Tools & technologies |
|---|---|
| Web & backend | JavaScript, TypeScript, React, Node.js, Express, Java |
| Testing & CI | Jest, Selenium, Jenkins, GitHub, GitLab |
| Data & development | PostgreSQL, MySQL, Firebase, Git, Android Studio, VS Code, IntelliJ IDEA |
| Learning next | AWS, Azure, Google Cloud, Kotlin, Gradle, Spring |
Small, practical improvements to projects I use and care about. My contributions span mobile testing, JavaScript tooling, documentation, and developer experience.
Browse contributions by organization & repository
- AppiumTestDistribution
- DefinitelyTyped
- DiemasMichiels
- Hacker0x01
- KanbanGuides
- Kong
- RooCodeInc
- ScrumGuides
- SeleniumHQ
- SudoKillMe
- TheSGJ
- Tochijihai
- adaltas
- antfu
- appium
- apple
- axios
- azu
- bcomnes
- biomejs
- brianc
- cheeriojs
- colinhacks
- digitaldemocracy2030
- dotenvx
- dougle
- editorconfig
- electric-sql
- express-validator
- expressjs
- faker-js
- forwardemail
- gitkraken
- google-gemini
- honkit
- instana
- istanbuljs
- janisdd
- jest-community
- jestjs
- js-primer
- kelektiv
- kizitonwose
- lint-staged
- lmstudio-ai
- marp-team
- mechatroner
- microsoft
- mizchi
- mozilla
- mswjs
- mui
- nodejs
- nvm-sh
- open-cli-tools
- plusone-masaki
- pmndrs
- prettier
- reactjs
- receptron
- redhat-developer
- rxhanson
- secretlint
- sidorares
- statelyai
- stripe
- team-mirai
- team-mirai-volunteer
- textlint
- tj
- tonybaloney
- toss
- ts-safeql
- twpayne
- type-challenges
- vadimdemedes
- validatorjs
- vavkamil
- vitest-dev
- web-infra-dev
- webdiscus
- webdriverio
- webdriverio-community
- webpack
- wojtekmaj
- yargs
- yoshiko-pg
Let's keep making software better.
One useful tool, one reliable test, one small contribution at a time.



