Paul Hammond

(1)

Product Engineer and advocate for Feedback-Driven Development. Former BBC Sport, Sky, EA, and Equal Experts. Specializes in TDD, pair programming, and tight feedback loops.

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Notes (1)

Mutation Testing Skill

by paul-hammond

Code coverage lies about test quality—mutation testing exposes weak tests by asking 'if I introduced a bug here, would my tests catch it?'

testing tdd claude-code code-qualityJan 6, 2026