
•AI
I Built Multi-Tenancy on Day 2. On Day 67, I Rebuilt It
I thought adding org_id to every table meant bulletproof multi-tenancy. Then my security audit revealed agencies were writing to SME tables—not through a bug, but by design.
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I thought adding org_id to every table meant bulletproof multi-tenancy. Then my security audit revealed agencies were writing to SME tables—not through a bug, but by design.

After 20 years in agencies, I knew multi-tenant architecture couldn't wait—so on Day 2, with just one working AI agent, I tripled my dev complexity to avoid a future rewrite.