Shintaro Katafuchi
Software Engineer Engineering Manager(Mobile) at SmartNews, Inc.
Chiyoda, Japan
Summary
🤩
Rockstar🎓
Top SchoolShintaro Katafuchi is a seasoned mobile software engineer and engineering manager with 13 years of experience building Android products and leading cross-functional teams from Tokyo’s Chiyoda district. Currently an Engineering Manager and Site Director at SmartNews, he has progressed from tech lead to managing ads and mobile engineering, blending hands-on development with people leadership. His open-source contributions—ranging from maintaining Spek’s test suite to enhancing widely used Android libraries like PermissionsDispatcher and Android-Rate—show a consistent focus on test quality, UX, and maintainable code. Prior roles at Quipper and Recruit Holdings reflect deep domain experience in large-scale mobile apps and conference apps such as DroidKaigi. Unusually for an engineer with a literature degree from Waseda University, he brings strong communication skills and a knack for translating product needs into robust engineering practices.
13 years of coding experience
5 years of employment as a software developer
Bachelor’s Degree, Literature, Bachelor’s Degree, Literature at Waseda University
Japanese, English
Stackoverflow
86reputation
17kreached
3answers
1question
Github Skills (24)
kotlin10
mobile-development10
testing10
android-sdk10
ui-design10
android-development10
java10
javas10
uid10
front-end-development10
android10
bdd10
spek10
android-permissions10
tdd9
Programming languages (14)
Github contributions (5)
permissions-dispatcher/PermissionsDispatcher
Aug 2015 - Apr 2022
A declarative API to handle Android runtime permissions.
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:41 releases, 7 reviews, 552 commits in 6 years 8 months
Contributions summary:Shintaro primarily contributed to the `permissions-dispatcher/permissionsdispatcher` repository, which is an Android library for handling runtime permissions. Their commits focused on updating the sample application, fixing formatting issues in various files, and refactoring code to use compatibility classes. The user also made several changes related to the Android build process and Kotlin.
apiruntimedeclarativeandroidpermission
hotchemi/Android-Rate
Feb 2014 - Jul 2017
Android-Rate is a library to help you promote your android app by prompting users to rate the app after using it for a few days.
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:6 releases, 195 commits, 44 PRs in 3 years 5 months
Contributions summary:Shintaro primarily contributed to the `android-rate` library, focusing on promoting app rating prompts. The commits show implementation of features for controlling the launch conditions for showing the rating dialog, updating the dialog's display, and adding a debug flag. These changes reflect a focus on user experience and controlled feature release within an Android application.
android-libraryandroidandroid-appkotlinprompting
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