Tech Leadership with Fexingo: Engineering Managers, CTOs, and Technical Leadership Conversations

How One CTO Uses Decision Logs to Stop Repeating Mistakes


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Lucas and Luna explore the concept of a decision log — a lightweight practice where engineering leaders document every major technical decision, including the context, alternatives considered, and the actual outcome. Lucas shares a case from a mid-stage fintech where a CTO introduced a decision log after the team accidentally rebuilt a data pipeline three times in eighteen months because nobody remembered why the previous architecture was chosen. They break down what goes into a good entry, how often to review the log, and why the exercise forces clarity in distributed teams. The episode closes with a practical suggestion: start next week with just one decision, write it down in a shared doc, and see what happens. Listeners walk away with a specific, implementable habit that costs nothing and compounds over time.

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Tech Leadership with Fexingo: Engineering Managers, CTOs, and Technical Leadership ConversationsBy Fexingo