A neo-bank serving 30M active users.
- Spearheaded the React 17 → 18 migration, unlocking concurrent rendering and boosting interaction responsiveness by 50%.
- Migrated our build-system from Vite 6 to Vite 8, replacing Rollup with Rolldown and reducing production build times by 60%, while modernizing the build infrastructure and improving CI/CD efficiency.
- Upgraded TypeScript from v5 to v7, optimizing the type-checking pipeline and achieving a 9× faster type-checking process, significantly improving developer feedback loops and CI validation speed.
- Integrated Protocol Buffers for efficient client-side serialization with backend services.
- Implemented a Query Key Factory pattern to standardize cache keys, eliminating inconsistencies and improving developer experience.
- Refactored the core loan module for better code reliability and scalability.