Multi-tenant SaaS running in production for a 16-campus tutoring chain: 476 active students, 63 users, five department modules. Tenant data is isolated with PostgreSQL row-level security, not application-code checks. Next.js · TypeScript · Supabase · Vercel.

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Multi-tenant SaaS running in production for a 16-campus tutoring chain: 476 active students, 63 users, five department modules. Tenant data is isolated with ...