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 — ArchitectureLoop 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.
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: 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
Understanding LLM Specialization: RAG vs. Fine-Tuning
When to use RAG and when to fine-tune: a decision framework for engineering teams.
What Is Retrieval-Augmented Generation (RAG)?
RAG explained: architecture, tradeoffs, and implementation patterns for production systems.