Signals

Long-form essays on software engineering in the age of LLMs. Considered takes on quality, testing, and what Deming would say now.

Clean Code Was Never More Important

AI amplifies the judgement already present in an organisation; it does not supply the judgement that is missing. Clean code is not prettiness - it is the structure that lets a competent human understand the problem. In the AI era, it is the steering wheel.

Shewhart, Toyota, and the Probabilistic Turn

LLMs break software’s binary view of correctness. The discipline that replaces it already exists - it was built at Bell Labs, refined in Nagoya, and has been waiting for software to need it.