Why we developed a Server Driven UI framework at Nubank
Article Summary
Nubank built a Server Driven UI framework that now powers 43% of their app and 70% of all new features. Here's why they ditched traditional mobile releases.
As Nubank expanded from credit cards into investments, insurance, and loans, they needed faster iteration. Their Backend Driven Content (BDC) platform lets them update UI instantly from the server instead of waiting weeks for app store approvals.
Key Takeaways
- Updates go live instantly without app store approval or user downloads
- 43% of the app now uses BDC, 70% of new screens built with it
- Teams control feature rollouts and run A/B tests same day
- Built on Flutter components with Clojure, enforces design system compliance
- Dedicated developer advocate role created to support internal adoption
Critical Insight
Nubank's Server Driven UI framework cut feature deployment from weeks to same day while enabling granular rollout control and rapid experimentation.
