How to build a multi-tenant SaaS platform — architecture decisions explained
How to build a multi-tenant SaaS platform — architecture decisions explained
Web & App Development • technical guide
Table of Contents
What multi-tenancy means and why it matters
Multi-tenancy is an architectural model where a single instance of a software application serves multiple distinct customer accounts (tenants), while maintaining complete data isolation and security.Need a custom quantitative solution?
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1. **Database-Per-Tenant**: Highest security, highest maintenance cost. 2. **Schema-Per-Tenant**: Isolated Postgres schemas within a single database instance. 3. **Shared Schema with Row-Level Security (RLS)**: Most cost-effective and scalable approach. Every table contains atenant_id column enforced by Supabase or PostgreSQL Row-Level Security policies.
Billing integration — Stripe setup for SaaS
Implement Stripe Webhooks to handle tenant subscription state changes (customer.subscription.created, invoice.payment_succeeded, customer.subscription.deleted) and sync entitlement flags instantly to database tenant records.About the PSI Square Team
We are a team of quantitative developers, AI system architects, and full-stack software engineers specializing in execution latency optimization, autonomous systems orchestration, and custom broker integrations.
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