Engineering blog

Todd Zhang

I write about taking AI systems from prototype to production: LLM gateways, RAG evaluation, agent reliability and observability, plus the data platforms and cloud infrastructure they run on.

Featured

Start here: pinned pieces and recent writing on AI in production.

Recent writing

  1. Three Doors to MWAA Permissions: A Deep Dive into Missing Roles
  2. fix macOS option key traps and rebuild your terminal with fzf and zoxide
  3. Ignoring SBOM Diff? Your Project Might Have a Fatal Flaw!
  4. How SBOM Diff Exposes the Silent Killer in Your Supply Chain
  5. Are You Using Dicts Correctly, or Just Guessing?
  6. Why "Make the Red Go Away" Is a Dangerous Objective Function
  7. Developer's Darkest Hour: When Git Locks Become Lethal Traps in the Process Table
  8. The Silent Cost of AI: Observability, Multi-Model Routing, and Production Telemetry in Enterprise Systems
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