Cash App

Cash App by Block (formerly Square) is a mobile payments platform for sending, receiving, and investing money. With over 50 million monthly active users, their mobile engineering team focuses on secure payments infrastructure, Bitcoin integration, and a seamless peer-to-peer experience.

12 articles · Android, iOS, Kotlin Multiplatform

Website Tech Blog

Cash App App Store

Cash App Play Store

Kotlin Multiplatform Oct 30, 2024

Kotlin Multiplatform parameterized tests with Burst

iOS May 1, 2024

Reducing the Size of Cash App for iOS

iOS / Android Oct 12, 2023

From 30 Minutes Down to 10: Taming our Monolith's CI Build Times

Kotlin Multiplatform / Android Jul 5, 2023

Native UI and multiplatform Compose with Redwood

iOS / Android Jun 21, 2023

Flow testing with Turbine

Android Nov 21, 2022

How We Sped Up Zipline Hot Reload

Android Sep 7, 2022

Molecule: Build a StateFlow stream using Jetpack Compose

Android Nov 11, 2021

The state of managing state (with Compose)

iOS Mar 16, 2021

Investigating Crashes with Aardvark

Android Jun 9, 2020

A Great Way to do Android Presenters

iOS May 20, 2020

Making iOS Accessibility Testing Easy

iOS Jan 23, 2020

Improving Animations on iOS with Stagehand