Hajime Morrita
Software Engineer at Google
Sunnyvale, California, United States
Summary
👤
Senior🎓
Top SchoolHajime Morrita is a software engineer with 17 years' experience specializing in client-side performance across Android, web browsers, and embedded systems, currently working on Pixel Camera app performance at Google in Sunnyvale. He has deep expertise in startup latency reduction, jank elimination, telemetry-driven debugging, and system health automation using tools like Perfetto and Simpleperf. His background as a Blink/WebKit contributor who led HTML Imports design and contributions to WebFontLoader and RxAndroid shows a rare blend of standards-level web platform work and hands-on mobile engineering. Notably comfortable across Java, C++, and JavaScript, he pairs low-level instrumentation and build-system DevOps with front-end rendering optimizations to shave milliseconds off real user flows.
18 years of coding experience
14 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Meiji University
English, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (30)
javascript10
rxjavafx10
web-components10
android-build10
webfonts10
makefile10
java10
javas10
dom10
observable10
android10
rxjava10
view-binding10
build-automation10
observables10
Programming languages (12)
Github contributions (5)
WICG/webcomponents
Jun 2013 - Dec 2014
Web Components specifications
Role in this project:
Front-end Developer
Front-end DeveloperContributions:104 commits in 1 year 6 months
Contributions summary:Hajime made several commits focused on the HTML Imports specification, indicating a contribution to web component standards. Their primary work involved modifying and extending the HTMLLinkElement interface, adding support for the async attribute to the link element, and clarifying the content security policy (CSP) implications for imports. They also worked on incorporating changes related to the document.write() method and document.currentScript.
web-components
ReactiveX/RxAndroid
Nov 2014 - Nov 2014
RxJava bindings for Android
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:13 commits in 21 days
Contributions summary:Hajime made significant contributions to the RxAndroid library, including adding the `bindView()` method for easier integration with Android Views and refactoring the code into new packages. They modified several files related to View and Android observable operations, introduced new features, and refactored the project's structure. The user demonstrated an understanding of RxJava bindings and Android UI lifecycle management.
androidrxjava
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