Masahiro Fujimoto
Software Engineer at フリーランス
Kyoto, Japan
Summary
🤩
Rockstar
Top expert inCross-Platform Development and Productivity Tools
Masahiro Fujimoto is a software engineer based in Kyoto with 11 years of professional experience, currently working as a freelance developer. He focuses on front-end development and technical documentation, with substantial open-source contributions to MDN Web Docs where he improved accessibility for Japanese-speaking developers through precise localization and content fixes. His work spans translating APIs and authoring clear documentation for HTML, CSS, JavaScript, WebAssembly, and WebExtension topics, demonstrating both technical fluency and an eye for editorial clarity. Masahiro’s contributions to prominent MDN repositories like content, translated-content, yari, and kumascript show a consistent commitment to internationalization and developer education. Colleagues value him for turning nuanced technical material into accurate, user-friendly Japanese content—an often-overlooked skill that directly improves developer onboarding and web standards adoption in Japan.
11 years of coding experience
Github Skills (17)
javascript10
translation10
css10
mdns10
mdc10
internationalization10
j10
localization10
japa10
mdt10
html10
web-development10
documentation10
content-management-system9
content-management9
Programming languages (9)
Github contributions (5)
mdn/translated-content
Mar 2021 - Jan 2023
7 community-maintained translations of MDN Web Docs in ES, FR, JA, KO, PT-BR, RU, and ZH, to learn and contribute in your native language.
Role in this project:
Technical Writer
Technical WriterContributions:2299 reviews, 4411 commits, 13726 PRs in 1 year 10 months
Contributions summary:Masahiro is focused on contributing documentation for the MDN Web Docs project, specifically translating existing content and creating new content. The commits involve updating and translating documentation related to various web technologies, including HTML, CSS, JavaScript, and WebAssembly, and also focus on documentation for WebExtension APIs. The contributions range from basic API documentation to the structure of MDN's documentation, demonstrating a solid understanding of content organization and the technologies being documented.
translatedmdnl10nweb-platformweb-development
mdn/content
Dec 2020 - Jan 2023
The official source for MDN Web Docs content. Home to over 14,000 pages of documentation about HTML, CSS, JS, HTTP, Web APIs, and more.
Role in this project:Front-end Developer
Front-end DeveloperContributions:28 reviews, 501 commits, 568 PRs in 2 years
Contributions summary:Masahiro primarily contributed to the MDN Web Docs repository by addressing issues and improving the documentation for CSS and HTML. The commits demonstrate a focus on refining the documentation by fixing markup errors, correcting links, and removing unnecessary elements to improve clarity and accuracy. The changes cover a wide range of topics, including CSS properties and HTML attributes.
cssjsmdnjavascriptreference
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