Engineering notes that show the moving parts.

Technical essays, diagrams, and interactive demos about durable systems, architecture tradeoffs, and production code.

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Build your own webhook transport

How to build a webhook registry and delivery system on Postgres using outbox rows, delivery attempts, signatures, retries, and inbound inbox rows.

16 min read

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Multi-part explorations of complex topics, each building on the last.

Durable Work in Postgres

A practical path from one Postgres claim loop to recovery, idempotency, competing workers, stable ownership, and cross-service handoffs.

11 of 11 parts published

Tactical DDD for enterprise onboarding

A TypeScript-first series on applying Domain-Driven Design to a shared-schema enterprise SaaS onboarding engine without losing sight of business language, context boundaries, operational resilience, and tenant isolation.

6 of 6 parts published

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