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AI Engineering 26 Jun 2026

Greenfield Is a Diagnosis, Not a Prize

Teams ask for a rewrite as though greenfield were a reward for enduring the old codebase - it is a diagnosis with a test attached, and misdiagnosis is how rewrites fail. Part 1 of 2 on choosing the field you build on.

Engineering Practice 11 May 2026

Coupling, Cohesion and the Main Sequence

Measuring the lines between the boxes - afferent and efferent coupling, the instability ratio, Robert C. Martin's main sequence, and the cohesion metric that catches a class doing two jobs, plus where every one of them needs a human to overrule it.

Engineering Practice 16 Apr 2026

Engineering Craft and Its Nine Sub-Disciplines

Engineering Craft carries 25 of the framework's 100 points and splits into nine sub-disciplines - why writing code earns only 18 of them, why architecture is the most leveraged skill in the model, and why reading code overtakes writing it by the time seniority arrives.