Strategy question
A strategic enterprise customer wants a custom capability that would accelerate their launch, but it may not generalize across Sierra’s broader agent platform. How would you decide whether to build a customer-specific feature, create a reusable platform capability, or say no, and what criteria would drive that decision?
- Sierra
- Strategy
- Hard
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What this question tests
Tests the build-bespoke-versus-platform-versus-decline decision for a strategic customer's custom capability request.
How to approach it
- Assess the capability's reuse potential by checking whether it maps to a pattern seen in other accounts or industries, not just this customer's framing.
- Estimate the cost of each path: a bespoke build's ongoing maintenance burden, a platform capability's larger upfront investment, or the relationship cost of declining.
- Weigh the strategic value of the account itself, since a highly strategic customer may justify a bespoke investment even with low reuse potential.
- If reuse potential is high, build it as a platform capability, scoping a minimal version first if the timeline is tight.
- If reuse potential is low but the account is strategic enough, build bespoke but cap scope tightly and flag it as tracked technical debt.
- If reuse potential is low and the account is not strategic enough to justify bespoke cost, decline and offer an alternative, like a services engagement or partial workaround.
What a strong answer includes
- Uses reuse potential and account strategic value together as the two real axes of the decision, not either alone.
- Treats declining as a legitimate third option with an alternative offered, not framed as bespoke-or-platform only.
- Caps bespoke scope explicitly and tracks it as technical debt rather than letting it grow unmanaged.
Common mistakes
- Treating this as a binary bespoke-or-platform choice with no option to decline.
- Building bespoke without capping scope or tracking the resulting technical debt.
Likely follow-up questions
- How would you decide how strategic an account needs to be to justify a bespoke build?
- What would you do if the customer rejects the offered alternative?
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More questions from Sierra
Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovering and Sizing AI Opportunities
- Chapter 9: Measuring AI Product Economics
- Chapter 14: Interviewing for AI PM Roles