Jamie Craane personal blog

My views, thoughts and experiences about Fullstack software development.

Multi-Tenancy With Postgres Row-Level Security in Ktor

Enforcing tenant isolation in the database instead of in every query

How I use Postgres Row-Level Security, a non-owner application role, and a small Kotlin transaction wrapper to guarantee tenant isolation in a production Ktor and Exposed application.

Posted by Jamie Craane on Thursday, July 9, 2026

Operational Guardrails for Autonomous AI Agents in Production

Reliability Engineering in the AI Era

Defense in Depth practices for running autonomous AI agents safely — from least-privilege credentials and environment segregation to soft deletes, PITR, and RPO/RTO targets.

Posted by Jamie Craane on Thursday, April 30, 2026

Fullstack software engineer with a passion for Android, Kotlin and Kotlin Multiplatform Mobile

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ai ai-assisted development android aws firebase intellij ios kmm kotlin ktor machine learning security