Forty teams publish APIs through your gateway. Design the platform: central auth, versioning policy, and golden paths.

This is a platform-organization question disguised as infrastructure. Score comes from separating enforcement from ownership and explaining what stops the gateway becoming a smart ESB.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

This is a platform-organization question disguised as infrastructure. Score comes from separating enforcement from ownership and explaining what stops the gateway becoming a smart ESB.

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UP NEXT ON YOUR JOURNEY

Next in this trackRetries make your event pipeline deliver duplicates. Which effects can you make exactly once, and where does that guarantee stop?Next in this trackYour product calls thirty third-party APIs, each with its own rate limits and quotas. Design the integration layer.Next in this trackDesign real-time collaborative editing for documents. Where does operational transform win, and where does CRDT?

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