25/04/2026
dev
Spec-Driven Development: Writing the Thing Before You Build the Thing
A practical, end-to-end guide to spec-driven development: what a spec really is, why it became load-bearing once LLMs joined the team, the full intent→spec→plan→implement→verify→evolve loop, a fully worked example, when to use SDD and when to skip it, mechanics for working with an LLM, and the failure modes to watch for.
process spec-driven-development llm ai-coding engineering-practice methodology