Web & App Development
Building scalable SaaS with Supabase and Next.js
By PSI Square Team
Published: Jul 10, 2026
15 min read
Building scalable SaaS with Supabase and Next.js
Web & App Development • technical guide
Table of Contents
SaaS architecture fundamentals
Modern SaaS applications require secure multi-tenancy, rapid database querying, and robust authentication infrastructure to scale smoothly.consultation
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Database & Security Setup
- PostgreSQL Row-Level Security (RLS) policies - User authentication and role-based access control - Real-time database subscriptions - Automated database backupsBilling & Stripe Integration
- Webhook endpoints for handling subscription events - Metered feature access control - Tenant data isolationAbout 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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