YY Chang
Senior Staff Software Engineer at Ruckus Networks
Taipei, Taiwan
Summary
👤
Senior🎓
Top SchoolYY Chang is a Senior Staff Software Engineer based in Taipei with 11 years of experience designing and optimizing backend systems, particularly in Java RESTful services and large-scale controller platforms. He has a strong track record improving performance—delivering 30x I/O improvements, 30% per-switch gains in network controllers, and faster parsers—by refactoring SQL, redesigning data models, and inventing pragmatic algorithms to avoid memory and topology issues. Comfortable coordinating cross-functional teams, YY has led multi-department projects, defined CI/CD and git flows, and negotiated technical requirements with foreign customers. A former frontend engineer at Binance and Yahoo, he combines full-stack perspective with deep backend performance tuning and a side interest in quantitative trading systems where he applies regression testing to tune strategies.
11 years of coding experience
9 years of employment as a software developer
學士, 資訊工程學系, GPA: 3.86/4.3, 學士, 資訊工程學系, GPA: 3.86/4.3 at 國立交通大學
English, Chinese, Japanese
Github Skills (122)
react-carousel10
stock-quotes10
styled-components10
node-telegram-bot-api10
react-component10
camera10
layout10
react-responsive-carousel10
cross-platform10
react-responsive10
grid-layout10
android10
react-router10
dcard10
reactstrap10
Programming languages (10)
Github contributions (5)
x3388638/x3388638.github.io
Jun 2018 - May 2021
Personal site
Contributions:254 commits, 13 PRs, 164 pushes in 2 years 11 months
reactstyled-components
x3388638/tw-stock-telegram-bot
Sep 2020 - Apr 2021
台股機器人，提供即時個股及大盤報價、走勢、新聞、盤後資料等 Telegram bot to query real-time TW stock quotes, charts, news, and other related information
Contributions:1 release, 64 commits, 2 PRs in 6 months
querytelegram-botchartspythontw-stock
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