Takahiro Menju is an Android developer with 11 years of experience building production mobile apps at Yahoo! JAPAN and currently at AbemaTV/Abema, and is recognized as a Google Developers Expert for Android. He specializes in Kotlin, Jetpack Compose, Kotlin Multiplatform and modern Android tooling, contributing to high-profile open-source projects such as the DroidKaigi conference apps and Google’s nowinandroid reference app. His work spans architecture and build-system improvements—MPP setup, dependency and proguard management, Compose compiler metrics—and hands-on UI features like session lists, favorites, and navigation. Comfortable both refactoring legacy code and driving Compose-based modernizations, he brings a pragmatic focus on code quality and developer experience. Based in Tokyo with a degree in information engineering from Shibaura Institute of Technology, he pairs conference-app pedigree with production-grade app delivery at scale.
11 years of coding experience
4 years of employment as a software developer
Bachelor's degree, Information engineering, Bachelor's degree, Information engineering at Shibaura Institute of Technology
The Official Conference App for DroidKaigi 2020 Tokyo
Role in this project:
Mobile Developer (Android)
Contributions:546 commits, 312 PRs, 299 pushes in 1 year 6 months
Contributions summary:Takahiro made several commits focused on modifying the official DroidKaigi 2020 conference app. They addressed issues related to removing unused modules and fixing the main menu's look. They also worked on adding and adjusting the layouts and design, including creating a session detail fragment, implementing favorite button and bottom sheet and added the filter behavior. These changes indicate a focus on both functionality and user interface improvements within the Android mobile app.
The Official Conference App for DroidKaigi 2018 Tokyo
Role in this project:
Mobile Developer (Android)
Contributions:5 releases, 517 commits, 282 PRs in 10 months
Contributions summary:Takahiro primarily worked on the Android application for the DroidKaigi 2018 conference. Their contributions included moving and refactoring the `MainActivity` and creating the view hierarchy using Kotlin and DataBinding. They also introduced Dagger for dependency injection and implemented the structure for the tab bar navigation and session details. They also added Google's Crashlytics to aid in debugging.
androiddroidkaigikotliniosflutter
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