We Rewrote Our Angular 18 App in React 20 and Increased Developer Velocity by 40%

Last quarter, our engineering team made the bold call to rewrite our 3-year-old Angular 18 production application in React 20. After 6 months of development, we cut over to the new stack with zero downtime, and the results have exceeded our expectations: we’ve measured a 40% increase in developer velocity, alongside major gains in performance and team satisfaction.

Why We Migrated Away from Angular 18

Our Angular 18 app had grown to over 400 components, with a mix of NgRx for state management, custom RxJS operators, and a complex dependency injection tree.…