A geo-aware listing platform for badminton and pickleball players to find teammates and join games — featuring a hybrid data pipeline (manual posts + LLM-extracted from Vietnamese social posts), PostGIS spatial search, and a React map interface. Built solo in one month.
System Ready
Architecting Scalable Digital Infrastructure.
I build high-performance backend platforms and share practical lessons through my blog.
Production Focus
- Distributed systems with predictable latency
- Cloud-native architecture and pragmatic scaling
- Engineering playbooks from real project delivery
Featured Projects
Featured case studies and achieved results.
A real-time interaction platform featuring live chat, karaoke synchronization, and YouTube Live streaming integration, built to handle thousands of concurrent users.
An O2O ERP solution for restaurants covering reservations, order management, staff shift scheduling, inventory tracking, and an AI-powered personalized ordering assistant.
Latest Posts
Latest posts about architecture, backend, and growth.
Real-world lessons from engineering a low-latency messaging engine that handles thousands of concurrent users — using ActionCable, Redis pub/sub, and careful connection management.
How we architected the core matching logic for a social carpool platform — covering transactional integrity, spatial queries, and real-time confirmations with ActionCable.
How I built a Go + LLM pipeline that reads raw Vietnamese Facebook posts about badminton and pickleball meetups, extracts structured data, geocodes addresses in Ho Chi Minh City, and feeds it into a Rails app — end to end in under 2 seconds per listing.