I'm full stack software engineer and designer with 10+ years experience, especially focused on frontend development.
- π Web Frontend: 10+ years (React, Vue 1.x)
- π± Android/iOS: 4+ years
- βοΈ Backend: 7+ years
- π¨ UX Design: 3+ years
- π Remote Work: 5+ years
- ε ₯γγγγδΏθ²εγγγ (nursery school map visualizes admission difficulty) which is a finalist of OpenData Hackathon held by Tokyo Metropolitan Government. With @sagaraya.
- See pinned repo and Qiita.
- Currently I'm working on TypeScript Compiler and MUI type check performance. mui/material-ui#27381
- 10x speed up on slow path in TypeScript type checker, affects MUI and emotion. microsoft/TypeScript#45195
- Reported a bug in Xamarin.Forms which caused possible data-loss in COCOA (COVID-19 Contact-Confirming Application). xamarin/Xamarin.Forms#13676
- Fix performance issue in Node.js child_process, improved 2x-4x nodejs/node#10557
- Added RuboCop rules to check unexpected return in interator rubocop/rubocop#1728
- See public pull requests.
- Notable StackOverflow answer: "JavaScript: How come map.has is so much faster than set.has and array.indexOf?" (dive into V8 code) https://stackoverflow.com/a/69338420/1474113