Migrating to Jetpack Compose: How AI Accelerated Our Journey at Caper Introduction At Instacart, our Caper smart carts bring together AI, computer vision, and real-time data to power the future of …

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Instacart's Caper team migrated their Android smart cart app from Fragments to Jetpack Compose using a four-phase strategy. AI coding assistants accelerated the migration by 5-7x, reducing what was planned as a multi-quarter effort. The approach involved: implicit Fragment hosts, type-safe navigation with Kotlin DSL, Fragment-to-Compose conversion, and finally Compose Navigation. Key insights include treating AI instructions as code, using git history as context, iterative refinement of migration guides, and establishing verification checkpoints. The team formalized their workflow into reusable AI skills, demonstrating how AI fundamentally changes the economics of addressing technical debt.

Migrating to Jetpack Compose: How AI Accelerated Our Journey at Caper

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