Journal.
Writing on AI security, agentic systems, and engineering practice.
Front Lines and Factory Floors: The New Shape of Software Engineering
Practitioner-focused article on forward-deployed engineering and software factories and what they mean for engineering leaders and founders.
Featured — EngineeringLoop Engineering — Builder's Checklist
A desk reference for shipping AI agents that work unattended — distilled to the decisions that determine whether a loop earns its name.
Front Lines and Factory Floors: The New Shape of Software Engineering
Practitioner-focused article on forward-deployed engineering and software factories and what they mean for engineering leaders and founders.
Loop Engineering — Builder's Checklist
A desk reference for shipping AI agents that work unattended — distilled to the decisions that determine whether a loop earns its name.
Loop Engineering: Designing the Systems That Drive AI Agents
A comprehensive guide to loop engineering — the emerging discipline of designing the systems that drive AI agents — and how it compares with prompt, context, and harness engineering.
Simon Willison on the AI inflection point, dark factories, and the disaster he keeps predicting
A wide-ranging look at where AI-assisted software development stands going into 2026
AI-Assisted Development: Security Gaps and Solutions
The security blind spots introduced when AI writes your code — and how to close them.