Masataka Yakura
Frontend Web Developer at PixelGrid Inc.
Tokyo, Japan
Summary
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RockstarMasataka Yakura is a Frontend Web Developer based in Tokyo with 14 years of experience building modern, user-focused web interfaces. He currently contributes at PixelGrid Inc., applying deep HTML5, responsive images, and performance-oriented techniques to production frontends. An active open-source contributor, Masataka has helped maintain well-known resources like Dive Into HTML5 and HTML5Rocks by modernizing content, fixing specs, and improving multilingual documentation. His work shows attention to detail—updating links, correcting typos, and refining code examples—to keep learning resources accurate and practical for developers worldwide. He blends hands-on implementation with a teacher’s mindset, making complex front-end topics accessible and up-to-date. Colleagues rely on him for pragmatic improvements that lift both product quality and developer experience.
14 years of coding experience
Github Skills (16)
html10
css10
service-worker10
web-performance10
responsive-design10
javascript10
web-development10
web-optimization10
optimisation10
optimization10
translate9
translation9
translators9
translater9
web-components9
Programming languages (16)
Github contributions (5)
diveintomark/diveintohtml5
Oct 2011 - Mar 2012
Dive Into HTML5 online book
Role in this project:
Front-end Developer
Front-end DeveloperContributions:39 commits in 4 months
Contributions summary:Masataka primarily contributed to the "Dive Into HTML5" online book by making various updates related to HTML5 and web development concepts. Their work involved removing outdated specifications, correcting typos, and updating links to reflect current web standards. These changes, spread across multiple files, helped maintain the book's accuracy and relevance, improving the learning experience for readers.
cssjavascripthtml5dive
html5rocks/www.html5rocks.com
Apr 2014 - Sep 2015
....a top-notch resource for web developers
Role in this project:Front-end Developer
Front-end DeveloperContributions:26 commits, 2 PRs, 1 comment in 1 year 5 months
Contributions summary:Masataka primarily contributed to the documentation and content of the html5rocks website. They updated and translated articles related to web technologies, specifically focusing on topics like responsive images, service workers, CSS variables, and high-performance animations. Their work involved updating code examples, fixing formatting issues, and ensuring the accuracy and completeness of the documentation for various languages.
html5notchchrome
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