- Redesigned an async data backfill pipeline with MongoDB + Kafka, cutting human error across thousands of monthly requests.
- Built Java endpoints to simulate business logic and generate output diffs, improving debugging and review workflows.
- Migrated data across warehouses and optimized queries, improving performance by roughly 40%.
- Shipped a React/Redux + TypeScript UI that replaced a legacy system for 1000+ users.
- Improved page load times by 50% through tighter data loading and rendering strategies.