Fulbbo
Social platform connecting soccer players with nearby fields — featuring real-time chat, booking, payments, and friend coordination.
- ▸ Designed a geographic cache system over Google Places API (PostgreSQL + 5km grid), reducing API costs by ~90% in high-traffic zones.
- ▸ Built a real-time chat system enabling live coordination between players, handling concurrent interactions and real-time updates.
- ▸ Architected a scalable monorepo with end-to-end type safety across frontend and backend, with automated CI/CD pipelines.
- ▸ Designed the full booking and payment flow covering field availability, reservations, and in-app payments.







