Hi, I am Yu-Cheng Chuang, or yorkxin / chitsaou / 鴨七 on internet. A Taiwanese living in Tokyo, Japan.

I’m a web developer familiar with Ruby on Rails and front-end JavaScripts.



  • Ruby on Rails
  • Vanilla JavaScript, React.js, jQuery, and CoffeeScript
  • HTML & CSS
  • And other Web Development things

Interests in

  • Anime
  • Typography
  • Railway
  • Linguistics
  • History