Weihang Jian
Software Architect
New Taipei, Taiwan
Summary
👤
Senior🎓
Top SchoolWeihang Jian is a software architect and experienced Rubyist with 14 years building web applications, teaching, and leading engineering teams across Taiwan. He founded 5xRuby to deliver Ruby on Rails training and authored a practical Rails book, while also founding Brainana and serving as CTO at Ziltag where he introduced microservices, Docker, and core API patterns. An active open-source contributor, his jaro_winkler gem has over 30k dependents and has been used by rubocop and Ruby itself, demonstrating impact beyond his commercial work. He has hands-on expertise in upgrading legacy Rails apps, custom JS MVC frameworks, DevOps workflows, and algorithmic problem solving (including a Ruby Held–Karp implementation for scheduling). Outside of work he mixes creativity and craft as an amateur piano composer and conference speaker, blending pedagogy with production-grade engineering.
14 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at National Chiao Tung University
Chinese, English
Stackoverflow
8,264reputation
1.0mreached
98answers
40questions
lodash
top-5%
javascript
top-5%
Github Skills (200)
ui-components10
testing10
material-ui10
interpreter10
docbook10
automation10
linter10
rack10
isolation10
jaro-winkler10
api10
html10
middleman10
json10
mdbook10
Programming languages (17)
Github contributions (5)
tonytonyjan/libpuzzle_ruby
Jun 2015 - Sep 2016
Contributions:29 commits, 37 pushes, 1 branch in 1 year 3 months
tonytonyjan/guest-chat
Jul 2014 - Jan 2017
（前）五倍紅寶石匿名聊天室
Contributions:99 commits, 1 PR, 19 pushes in 2 years 7 months
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