Yutaka Hirano
Research Scientist at Nanofiber Quantum Technologies
Tokyo, Japan
Summary
🤩
Rockstar🎓
Top SchoolYutaka Hirano is a research scientist and seasoned software engineer with 13 years of experience building web platform technologies and browser internals, now based in Tokyo. He spent nearly a decade at Google shaping Chrome’s networking stack, designing and implementing the Streams API, Fetch integrations, WebTransport, and performance-minded Promise helpers for Blink. His open-source contributions include improving Web Platform Tests and Respec tooling, demonstrating a knack for hardening specs and test suites for real-world interoperability. Earlier work at Toshiba involved WebKit porting and a JavaScript–C++ bridge for consumer devices, reflecting deep systems and embedded experience. Currently transitioning into quantum-related research engineering, he brings a rare combination of standards-level spec authorship, production browser implementation, and pragmatic test automation skills.
13 years of coding experience
14 years of employment as a software developer
Master of Science (M.S.), Mathematical and Computing Sciences, Master of Science (M.S.), Mathematical and Computing Sciences at Tokyo Institute of Technology基礎工学研究科, 基礎工学研究科 at 大阪大学
Japanese, English
Github Skills (17)
javascript10
service-worker10
webidl10
web-standards10
fetch10
html10
webtest10
fetch-api10
test-automation10
cors9
apidoc9
css9
front-end-development9
api9
webtransport8
Programming languages (14)
Github contributions (5)
whatwg/fetch
Sep 2015 - Jul 2022
Fetch Standard
Role in this project:
Back-end Developer
Back-end DeveloperContributions:69 reviews, 39 commits, 45 PRs in 6 years 10 months
Contributions summary:Yutaka primarily contributed to the `whatwg/fetch` repository by modifying the Fetch Standard. The user fixed a quotation issue, avoided the use of "?" in cross-references, and added missing quotes. Additionally, the user added "Streams" section as part of Response.body introduction, and also added code that handled suspension, resuming, and garbage collection. Furthermore, the user added the Response.prototype.body property.
fetchwhatwg
web-platform-tests/wpt
Jan 2017 - Jul 2022
Test suites for Web platform specs — including WHATWG, W3C, and others
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:107 reviews, 131 commits, 100 PRs in 5 years 7 months
Contributions summary:Yutaka's commits primarily focus on expanding and refining the test suite for the Web Platform Tests (WPT) project. They addressed flakiness in existing tests, particularly around fetch, beacon, and streaming upload functionalities, suggesting a focus on improving the reliability of these tests. The user also integrated new test cases for features like CORS, mixed-content, and WebTransport APIs. Their contributions demonstrate a proficiency in identifying and resolving testing issues, as well as expanding the test coverage.
microsoft-edgetest-runnerspecssafarifirefox
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