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Have you hit issues scaling an API gateway in front of model inference? What were they and how did you fix them?

A real customer-interview question that rewards scar tissue: the 29-second timeout wall, retry storms that triple your own load, and connection pools sized for web traffic meeting 30-second inferences. The issues worth claiming and the fixes that prove you were there.

Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.

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Have you hit issues scaling an API gateway in front of model inference? What were they and how did you fix them?

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