PrincipalStrategy

You have 8 product teams all building AI features independently. Do you build a central AI platform team, and if so, what does it own?

What they are really testing: The org-design question behind every scaling AI effort. The failure modes are known, a platform team that becomes a bottleneck priesthood, or sprawl where 8 teams solve identical problems divergently, and the answer reveals whether they have lived either.

A real interview question

You have 8 product teams all building AI features independently. Do you build a central AI platform team, and if so, what does it own?

What most people say

drag me

Yes, centralising avoids duplication, the platform team owns models, prompts and AI quality standards, and product teams request AI capabilities through them.

"Request through them" is the sentence that kills it. That is a priesthood: 8 teams queueing behind one backlog, prompts owned by people without product context, and within two quarters the teams route around the platform or die waiting.

The follow-ups they ask next

  • Two teams refuse the gateway because it lacks a provider feature they need. What happens?

    That is a platform roadmap signal with a deadline, not a compliance problem: fast-track the feature or grant a documented direct exception with budget accountability. Every workaround is data about where the paved road has potholes.

  • How do quality and safety standards propagate if teams own their prompts?

    Standards live in the rails: guardrail middleware on by default, eval gates in the shared CI harness, spend and trace visibility automatic. Encode policy in the platform defaults, not in a review meeting.

What the interviewer is listening for

  • Charters the platform from an inventory of actual duplication and pain
  • Rails versus outcomes split, prompts stay with product context
  • Self-service with no approval gates, measured by adoption and team velocity

What sinks the answer

  • Platform owns prompts or gates feature work behind requests
  • No measurement of whether the platform accelerates anyone
  • Mandated adoption with no escape hatch, breeding shadow infrastructure

If you genuinely do not know

Say this instead of freezing. Reasoning out loud from what you do know beats silence every single time, and a good interviewer is listening for exactly that.

Yes, chartered by [an inventory of what 8 teams duplicate]: platform owns [gateway, eval harness, guardrail middleware, RAG components, dashboards], teams keep [prompts, features, their own eval sets, outcomes]. Design against the priesthood: [self-service golden paths, no approval gates, adoption and velocity as the platform grade, legal escape hatch].

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