Decision Debt: The Engineering Work That Starts After “Approved”
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Reaching consensus on an architectural RFC or design doc often feels like the finish line, but true engineering leadership begins after approval. This piece introduces the concept of decision debt—the friction and ambiguity that arise when teams treat sign-off as the final step. To prevent architectural drift, senior engineers must explicitly define long-term ownership, establish clear reversibility criteria, and document the specific metrics or evidence that would trigger a re-evaluation of the decision. For developers stepping into staff and lead roles, mastering this operational phase is crucial. Architecture isn't just about selecting technologies; it is about establishing sustainable governance so that technical choices adapt gracefully over time as systems and organizational requirements evolve.