Andrew Steinmetz

Staff-level Android Engineer expert in Kotlin Multiplatform (KMP), Jetpack Compose, and AI-augmented workflows. Proven track record of architecting scalable mobile systems and driving technical excellence at Square, Redfin, and Starbucks.

Staff Android Developer (L6) - Square (Block Inc.)

(2025-07 - 2026-02)

• AI Leadership: Pioneered high-velocity workflows using Goose and Claude Code to automate complex refactors and accelerate organization-wide feature delivery.
• Payments & Deposits: Collaborated on a high-impact, multi-year project to ship the Square Appointments deposit framework; integrated automated surcharging capabilities across the mobile ecosystem to support millions of merchants.

Senior Android Developer (L5) - Square (Block Inc.)

(2022-08 - 2025-07)

• Modernization: Led the migration of high-traffic screens to Jetpack Compose using a modular workflow architecture; managed phased rollouts via feature flags and sharded testing.
• Infrastructure: Architected data and DI layers with Dagger/Anvil and SQLDelight to improve developer velocity and system maintainability.

Senior Android Developer - Redfin

(2021-06 - 2022-08)

• Product Rewrite: Led the search and rentals overhaul using CLEAN architecture and RxKotlin; built the Rental Detail Page from scratch with Jetpack Compose and BLoC patterns.

Android Developer I – Senior - Starbucks

(2018-05 - 2021-06)

• Technical Impact: Spearheaded PDP redesign with focus on accessibility; engineered a Kotlin tool to automate analytics type-safety, reducing errors by 30%.
• Architecture: Migrated legacy Java to Kotlin VIPER; implemented Google Pay for card reloads and modernized the core mobile ordering engine.

BS - Software Engineering - Arizona State University