[ EXPERIENCE ]

Work History

Career BreakSep 2024 – Present
Exploring & Building
  • ▸Traveling and exploring technologies beyond Android
  • ▸Personal projects and open source work
  • ▸Actively seeking the next opportunity
Block Inc.Aug 2018 – Sep 2024
Staff Android Engineer
  • ▸Promoted twice in 5 years — maintained Staff scope with Senior Staff trajectory
  • ▸Technical DRI for Square Register launch in Japan — coordinated 4 teams across PST/EST/JST timezones
  • ▸Strong Customer Auth SDK — led surprise 3-month EU/UK regulatory sprint for Android & iOS
  • ▸In-App Payments SDK — architected and shipped in first 5 months; maintained 4+ years
  • ▸Mock Reader SDK — Hackweek-winning tool enabling automated hardware payment testing
ZenefitsJun 2017 – Aug 2018
Android Engineer
  • ▸Built full mobile Hiring experience in first month; pitched demo to sales leadership
  • ▸Owned iOS/Android parity decisions with designers and PMs
  • ▸Stepped into iOS development when the mobile team went from 8 to 2 engineers

[ PROJECTS ]

Featured Work

Square Register — Japan Launch
Block Inc.·Mar 2022 – Jan 2024
  • ▸Enabled Square to enter the Japanese market with its flagship POS hardware
  • ▸Technical DRI coordinating 4 engineering teams across PST / EST / JST timezones
  • ▸Built hardware-agnostic E-money transaction flow to support swift future hardware launches
  • ▸Biweekly stakeholder reports; weekly sessions with Japanese legal and partner teams
KotlinHardware APIsE-moneyCross-team Lead
In-App Payments SDK
Block Inc.·Aug 2018 – Jan 2019 (+ 4 yrs)
  • ▸Shipped within first 5 months — unlocked e-commerce capability for Square's developer platform
  • ▸Beautifully animated credit card form built on low-level Canvas APIs
  • ▸Dual Kotlin/Java API surface with iOS-parity naming conventions
  • ▸Maintained and expanded for 4+ years post-launch
KotlinJavaCanvas APIsSDK ArchitectureDagger
Strong Customer Authentication SDK
Block Inc.·Sep 2019 – Dec 2019
  • ▸3-month sprint on a surprise EU/UK PSD2 regulatory requirement
  • ▸Led both Android and iOS implementation; designed public-facing API surface
  • ▸Integrated Mastercard's SDK and fixed critical blocking crashes upstream
  • ▸Authored copywriter templates for all public documentation
KotlinSecurityPSD2Mastercard SDKAndroid + iOS