CU Openhouse.

Scalable service for Chulalongkorn Openhouse 2025 supporting 12,000 concurrent users and 120,000 registered users. QR scanning, real-time updates.

date
Jan 2025
type
Web
area
fullstack · devops · integration
stack
Next.js · Golang · LINE LIFF · PostgreSQL
links
[ CU Openhouse — hero screenshot ]
about
Registration, QR check-in and live schedule updates for the university open house — 120,000 registered, 12,000 concurrent on the day.
what i did
Architected the Go backend for the traffic peak and built the LINE LIFF frontend.
stack
Next.jsGolangLINE LIFFPostgreSQL
features
  • 01QR scanning
  • 02Real-time updates
  • 03Scalable system