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Engineering notes

Notes on AI, software, cloud and startups, from the people doing the work.

Layers of glass code under a precision inspection bridge, one flaw lit in violet

AI & Automation

How to maintain software quality in an agentic world

Agents rarely produce obviously wrong code. They produce plausible code. Here's the machinery we run on our own site so plausible can't ship.

Rowin Hernández · September 15, 2026