Hoyang Tsai

Contact Info

hoyang.t@gmail.com
https://www.linkedin.com/in/hoyangtsai
https://github.com/hoyangtsai

Experience

Senior Software Engineer, Phase 📍Taipei, Taiwan 2023/11 - 2025/07

• Led implementation of key features such as co-editing presence, animation presets and text-on-canvas
• Integrated Figma designs into Phase and converted component variants to be interactive
• Designed and built end-to-end solutions spanning system architecture, UI, and backend APIs
• Maintained test coverage and upheld code quality through unit testing and best practices

• Addressed bugs and optimized system performance across existing features

  Skills: React, Javascript, Typescript, Tailwind

Staff Software Engineer, ShopBack 📍Taipei, Taiwan 2022/05 - 2023/01

• Led the front-end development of ShopBack Chrome extension with over 800k installs and available in 9 regional markets
• Planned and developed a performance evaluation tool for the browser extension. Identified an inefficient scripting execution, which reduced the execution time from 2.3 seconds to 0.2 seconds
• Provided a solution for end-to-end smoke test automation in the CI pipeline to cover one of the QA phase jobs

• Working across regions with colleagues in Singapore and Vietnam

  Skills: Javascript, React, AWS, Kubernetes, Shell script

Senior Front-end Engineer, Tencent 📍 Shenzhen, China 2016/01 - 2021/03

• Built WeChat web applications and mini-programs for millions of users
• Created a high-throughput data management system with interactive visualizations
• Led full-stack A/B testing platform development
• Migrated legacy Java builds from Jenkins to Tencent/BlueKing-CI, cutting maintenance overhead
• Transitioned all SVN repositories to Git
• Mentored backend engineers on front-end best practices

• Developed UI component libraries and refactored mockups for mobile, desktop, and WeChat platforms

  Skills: Javascript, SASS, React, Vue, CMDJS, Typescript, Node.js, MySQL, Shell script

Front-end Engineer, Foxconn 📍 Kaohsiung, Taiwan 2013/07 - 2015/08

• Developed Firefox OS apps and responsive web apps using RequireJS
• Developed the web apps back-end RESTful APIs using CodeIgniter

• Developed character recognition service using Tesseract OCR with Java

  Skills: Javascript, AMDJS, SASS, PHP, MySQL

Software Engineer, Hismax 📍 Kaohsiung, Taiwan 2011/10 - 2013/04

• Customized PTC Windchill PLM system with Java SDK and JRE

• Developed PTC Arbortext document software automation features using XML, XSL and Javascript

  Skills: Java, MySQL, XML/XSL, HTML/CSS, Javascript, JSP

Education

Bachelor of Information Technology, Griffith University 2007/03 - 2010/06

Project

https://hoyangtsai.github.io/projects/