Latest / Tech Leadership with Fexingo: Engineering Managers, CTOs, and Technical Leadership Conversations
How One CTO Uses Architecture Fitness Functions to Prevent Drift
Episode 49 of Tech Leadership with Fexingo explores architecture fitness functions—automated guardrails that catch architectural drift before it becomes tech debt. Lucas and Luna break down a real example from a mid-stage fintech that used fitness functions to enforce its hexagonal architecture boundaries. They discuss how one CTO defined rules around layer violations, dependency direction, and cyclic dependencies, then automated them as CI pipeline checks. The episode covers why traditional architecture reviews fail at scale, how fitness functions shift enforcement left, and what happens…
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