// writing

Essays, and the book-in-progress.

Long-form thinking on what software engineering looks like now that most of the code is written by agents. Written by Barrie Hadfield, published here first.

A weekly essay series · 14 pieces

Extreme AI Programming

A fourteen-week essay series on what comes after Agile, when the developer is an AI agent. A homage to Kent Beck's Extreme Programming Explained. Covers how the roles recompose, what vibe coding actually costs, where decisions should live now they no longer live in humans' heads, and what a disciplined AI-native engineering practice actually contains.

One piece a week, Tuesdays 8am UK · First piece: Tue 5 May 2026