Shopify Dev
How we rebuilt the Shopify app in 12 weeks (opens in a new tab)
Shopify Engineering shares how they rebuilt the Shopify app in just 12 weeks, revealing new architecture and practices.
Shopify Engineering· Nov 10, 2026· 8/10
From the article
Thirty engineers just rebuilt the Shopify app from React Native to Swift and Kotlin in 12 weeks. The app has more than 300 screens, home and lockscreen widgets, an Apple Watch app, complications, and Siri Shortcuts. Agents wrote most of the code. If you have read our other posts in this series, that won’t be a surprise. The real surprising part is how much we had to change around the code. Once agents started producing large amounts of code quickly, everything surrounding that code became more…
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