Dec 2024 – Present · 1 yr 5 mos · Tokyo, Japan · Hybrid

May 2012 – Sep 2023 · 11 yrs 4 mos · Tokyo, Japan

• Solve developers problems by writing libraries, reference apps, sample code and blog posts.
• Current focus is Android.
• Main contributor for reference apps.
• Google Santa Tracker. Led the rewrite of the app including migration to Kotlin and Architecture Components.
• Google I/O app. Played a tech lead in 2019 (my contributions: https://github.com/google/iosched/commits?author=thagikura).
• FlexboxLayout: https://github.com/google/flexbox-layout
• Brings same functionalities of CSS Flexbox to Android.
• Worked as a product owner. Designed the architecture and implemented most of the part with the other team member.
• Gained 16K+ GitHub stars as of April 2021. Adopted by various major apps both internally and externally examples including Google Translate, Google Photo, Google Play Services etc.
• Google Authenticator, Google Prompt
• Made the Android Wear support available for both apps.
• Google Authenticator: https://security.googleblog.com/2015/12/a-new-version-of-authenticator-for.html
• Google Prompt: http://www.androidpolice.com/2016/11/19/google-two-factor-authentication-prompts-now-work-android-wear-users/
• Android samples on GitHub: https://github.com/googlesamples
• Implemented bunch of Android samples that showcase best practices.
• Examples:
• https://github.com/googlesamples/android-FingerprintDialog
• https://github.com/googlesamples/android-AsymmetricFingerprintDialog
• https://github.com/googlesamples/android-DirectBoot
• https://github.com/googlesamples/android-ScopedDirectoryAccess

Sep 2009 – May 2012 · 2 yrs 8 mos · Tokyo, Japan

• Worked on cloud instances management console (like AWS Management Console) using Java, MySQL, Jenkins, ReviewBoard, Trac.
• Worked on technologies related to cloud computing, for example try to replace existing batch processing with Hadoop.

Apr 2005 – Aug 2009 · 4 yrs 4 mos · Tokyo, Japan

• Designing, developing, testing, installation of foreign exchange systems.
• Mainly use C, HP-UX, Oracle, TUXEDO.