Yui Sato

S

Senior Android Engineer at Maple Ops · Android performance, Gradle

Maple Ops
Tokyo, Japan · JST (UTC+9)
7+ years experience
INSEAD Singapore
English, Japanese
Open to work
Messaging unavailable

Overview

Senior Android Engineer at Maple Ops, focused on mobile apps. Built the experimentation framework 32 product teams use to ship changes safely. Wrote the Gradle service that now handles 11 million requests a day. Before that: Stripe and SK Hynix. Most at home with MVVM and Android performance. Into vintage synthesizers.

Good reasons to reach out
  • Roles in mobile apps
  • Speaking or podcast invitations
Please don't message about
  • Crypto token projects
  • Courses and coaching offers

Travels often; replies within 48 hours

Skills
KotlinCoroutinesAndroid performanceMVVMGradleJetpack Compose
Open to workLooking for a role
closes in 3 months

Next role: Android Engineer in consumer apps, Tokyo or hybrid

Target roles
Android Engineer
Level
Mid
Industries
Fintech, AI infrastructure
Work mode
Hybrid
Available
From next quarter
Work authorization
Authorized to work in Japan
What I'm looking for
Early-stage company (seed) where mobile apps is core to the product.
Not interested in
Agencies and outsourcing firms

7 years in mobile apps. Strongest at Kotlin and MVVM. Serving notice now.

Tokyo, Japan · remote OKandroid performancemvvmjetpack compose
Open

Experience

  1. Senior Android Engineer
    Sep 2023 - Present
    Maple Ops · 3 yr 1 mo · Contract · Tokyo, Japan
    • Mentored 7 engineers through their first promotion.
    • Reduced cloud spend on Android by 26% in two quarters.
    • Shipped 19 launches on the Android team without a rollback.
  2. Android Engineer
    Jul 2020 - Sep 2023
    Stripe · 3 yr 2 mo · Full-time · Tokyo, Japan
    • Reduced cloud spend on Android by 45% in two quarters.
    • Cut cold-start time on low-end Android phones by 34%.
  3. Android Engineer
    Sep 2019 - Jun 2020
    SK Hynix · 9 mo · Full-time · Tokyo, Japan
    • Shipped 16 launches on the Android team without a rollback.
    • Cut cold-start time on low-end Android phones by 53%.

References

No references yet.

Education

  1. INSEAD Singapore
    MBA, Business Administration
    2018 - 2020
  2. University of Tokyo
    BEng, Information Technology
    2014 - 2018

Details

Compensation expectations
What they are targeting for their next role.
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