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Marcus Rivera

Production Engineering Contributor

Marcus is a senior AI engineer who has shipped agent systems at three YC-backed companies. He writes production case studies and reliability deep-dives — what actually breaks at scale, and how to fix it before it does.

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Articles by Marcus

EngineeringApr 7, 2026

Building Reliable Agents: Lessons from Production

After deploying dozens of agent systems to production, the same failure modes appear again and again. Here's what actually breaks — and how to fix it before it happens.