Mobile

Wise Tech Stack (2022 edition)

An overview of our tech stack as of 2022.

Diffable datasource for heterogeneous items in iOS/Swift

Introduction to Accessibility on iOS

I’m a firm believer that apps should be designed and developed inclusively, with a fantastic…

The TransferWise stack, 2020 edition

Here’s how the TransferWise engine looks like under the hood, and…

Type erasure in Swift: a real example

A practical case where hiding the type becomes useful

RxJava to Coroutines: end-to-end feature migration

Flow: an evolution of Coordinator for iOS

Defining Flows to allow composition of smaller ones to…

Clean UI Testing for Android

A guide on how to write flexible, maintainable, and reliable UI tests.

Testing a Flow on iOS

How to write unit tests

Implementation of a Flow on iOS

Examples of implementation and composition of Flows