Ming-ying Chung is a Senior Software Engineer with 14 years of experience building scalable, user-facing systems at Google, specializing in YouTube full-stack and mobile platforms as well as metrics, client logging, ranking, and personalization. He has led product verticals—most recently as Tech Lead for Photos within Google Assistant—and has driven measurable improvements in recommendation quality and revenue through rigorous experimentation. A proven technical mentor, he has shipped cross-platform features for YouTube comments, revamped movie recommendation backends, and helped expose browser-level networking primitives like the FetchLater API to Android WebView. Ming-ying is also an active contributor to major open web projects such as Chromium and web-platform-tests, where he authored bfcache and fetch-related tests and fixes that improve web standards compliance and performance. Based in Chiyoda, Japan, he combines deep systems-level work with product sensibility and a history of shipping at Google scale.
14 years of coding experience
4 years of employment as a software developer
Bachelor of Science (BS), Computer Science and Information Engineering, Bachelor of Science (BS), Computer Science and Information Engineering at National Taiwan University
Master of Science (MS), Computer Science, Master of Science (MS), Computer Science at Columbia University in the City of New York
Test suites for Web platform specs — including WHATWG, W3C, and others
Role in this project:
Front-end Developer & Test Automation Engineer
Contributions:18 commits, 1 comment in 5 months
Contributions summary:Ming-ying primarily contributed to the web platform tests for back/forward cache (bfcache) behavior related to embedded content, specifically `<object>` and `<embed>` elements. The contributions involved writing new tests and fixing existing ones to ensure correct functionality within the wpt test suite. The user also added tests for the `fetchLater` API, addressing CORS-related scenarios. Their work focused on writing test cases and adapting existing test infrastructure for the purpose of testing web standards.
Contributions summary:Ming-ying's commits primarily involve fixing and improving the "fetch-later" API, suggesting they work on core browser features related to network requests and performance. They addressed incorrect quota behavior within same-origin iframes and made adjustments to quota calculations. The user also exposed the FetchLater API to Android WebView and enabled it in the stable release. Furthermore, they fixed potential crashes, replaced a string with a constant, and mapped the FetchLater use counter to WebDXFeature.
chromiumbrowser
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