In plain words: we run one system with separate views for fans, staff, admins, and sponsors.
Multilingual help, directions, food, rewards, and safety support.
Live request queue and response workflows.
Content, events, and operational settings.
Campaign performance and sponsor outcomes.
Next.js apps for each audience.
NestJS API for routing, logic, and integrations.
PostgreSQL for persistent data and analytics.
Redis for speed and async jobs.