Engineering notes

Cloud

Notes from production — LLM systems, cloud platforms and interfaces that had to survive real traffic. No newsletter filler.

The cost curve nobody models before launch

Inference cost scales with success. The teams that model it before launch are the ones still running the feature a year later.

Security controls that engineers route around are worse than no controls, because they create the illusion of coverage.

Engineering notes

What we learned shipping AI systems, cloud platforms and interfaces that had to survive real traffic. No newsletter filler.