Yasuhiro Shimizu
モバイルエンジニア at 株式会社 サイバーエージェント
Saitama Prefecture, Japan
Summary
🤩
Rockstar🎓
Top SchoolYasuhiro Shimizu is a seasoned mobile engineer with 13 years of experience building Android-first products and exploring cross-platform solutions like Kotlin Multiplatform. Based in Saitama, Japan, he has led Android and iOS development for new services at CyberAgent, driven frontend projects with Vue/Nuxt, and recently steered a points-API SaaS across backend and frontend. An active open-source contributor, he modernized an Android KeyboardVisibilityEvent library by migrating it to Kotlin, refactoring package structure, and improving detection logic for real-world reliability. Comfortable across Android, Flutter, and web stacks, he blends hands-on coding with technical leadership on production apps and R&D initiatives such as blockchain-related mobile work. Fluent in English from academic training, he brings cross-cultural communication to engineering leadership and prefers outreach with clear, detailed requests—bonus conversation starter: ask him about his favorite sushi.
13 years of coding experience
8 years of employment as a software developer
英語翻訳, 英語翻訳 at 日本外国語専門学校 / Japan College of Foreign Languages学士, 英語, 学士, 英語 at 東京外国語大学 / Tokyo University of Foreign Studies
Japanese, Chinese
Stackoverflow
1,179reputation
99kreached
16answers
15questions
Github Skills (12)
kotlin10
lib10
mobile-development10
android10
gradle8
gradlew8
material-design6
mobile6
webview6
android-studio6
javascript6
android-databinding6
Programming languages (18)
Github contributions (5)
yshrsmz/KeyboardVisibilityEvent
Mar 2015 - Sep 2021
Android Library to handle software keyboard visibility change event.
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:3 releases, 115 commits, 45 PRs in 6 years 7 months
Contributions summary:Yasuhiro primarily contributed to an Android library focused on handling software keyboard visibility events. Their work involved refactoring the package structure, migrating the codebase to Kotlin, and removing dependencies. The user also focused on improvements such as detecting keyboard visibility via a ratio instead of a constant value.
android-libraryandroid
yshrsmz/HNKotlinNative
Oct 2018 - Jan 2019
Contributions:29 commits, 17 pushes, 3 branches in 3 months
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