Changhao Han
Staff Software Engineer at Google
Munich, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolChanghao Han is a Staff Software Engineer at Google Munich with a decade of experience building front-end and full-stack systems across Asia, the US, and Europe. He progressed from research and startup co-founder roles into leadership positions at Shopee and now leads engineering work at Google, blending hands-on development with team mentorship. His open-source contributions to Puppeteer demonstrate a solid grasp of browser automation, compatibility maintenance, and Chromium integrations that improve real-world testing workflows. Comfortable across Angular, JavaScript, and backend APIs, he pairs practical product sense with a history of shipping cross-regional products and infrastructure. An early career focus on computational biology and machine learning for business intelligence gives him an unusual mix of data-driven curiosity and production engineering discipline.
10 years of coding experience
11 years of employment as a software developer
Bachelor of Engineering (B.Eng.) Computer Engineering, Bachelor of Engineering (B.Eng.) Computer Engineering at University of Washington
Chinese, English
Github Skills (14)
automation10
chromium10
javascript10
nodejs10
automations10
chrome10
typescripts8
typescript8
typescript-types8
firefox6
developer-tools6
webpages6
testing6
web-content6
Programming languages (4)
Github contributions (5)
puppeteer/puppeteer
Nov 2019 - Nov 2021
JavaScript API for Chrome and Firefox
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:2 releases, 8 reviews, 28 PRs in 2 years
Contributions summary:Changhao primarily contributed to the Puppeteer project by implementing and refining various features related to browser automation and testing. They updated the codebase to support newer Node.js versions and remove support for older versions, showing a focus on code maintenance and compatibility. The user also rolled Chromium to a new version, integrating Chromium updates and improving cookie handling, thus enhancing browser functionality. Additionally, they improved the project's utility scripts by adding more options for checking availability and migrating documentation for HTTPResponse and Page to TSDoc.
developer-toolschromiumheadlessjavascriptnodejs
hanselfmu/fe-play
Dec 2016 - Dec 2019
Random notes about Javascript and other front-end related stuff.
Contributions:38 pushes, 1 branch in 2 years 11 months
cssjavascriptfront-endnotes
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