Interview questions in Product Strategy, page 7
Detecting and fixing metric hacking
Look for diverging counter-metrics and anomalous patterns, then pair KRs with guardrail metrics or redefine to a truer proxy.
Getting tech work onto a feature roadmap
Translate debt into velocity, risk, and cost impact; attach it to upcoming features; propose a sustainable allocation.
Phased rollout with feature flags
Targeting rules by segment, percentage ramps, monitoring at each gate, and a fast kill switch.
Designing a tiered entitlements backend
Plans map to features and limits, subscriptions link account to plan, an entitlement check enforces access; handle upgrade/downgrade with effective dates and proration.
Event-driven sync between billing and CRM
Billing emits a tier-changed event via outbox to a broker, CRM consumes idempotently with retries and DLQ.
Building a cross-product case for shared-lib debt
Map each product's exposure and blast radius, quantify risk and migration cost, propose a coordinated phased plan with an owner.
Monorepo vs polyrepo for a product portfolio
Monorepo eases atomic shared-component changes and consistency but needs tooling; polyrepo gives autonomy but version drift; tie choice to deploy independence.
Strict tenant isolation in a multi-tenant data layer
Choose silo, pool, or bridge by risk; enforce tenant scoping at multiple layers with RLS; encrypt and audit.
Keeping a level playing field for partners
First-party consumes the same public APIs, equal rate limits and data access, technical walls against privileged data, transparent changes.
Making the case for reliability over a risky feature
Quantify reliability cost in churn and revenue, show the feature's risk to existing customers, propose a sequenced path.
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