Extend Interview Questions
The questions to prepare for Extend interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Calculate the monthly spending trends for customers using window functions and joins.
ExtendUse joins, CASE WHEN, and date filtering to compare outcome rates before and after a decision.
HarbourVest PartnersIdentify the highest-credit-score 5% of applicants within each state using percentiles and window ranking.
American Credit AcceptanceExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
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Build and execute an engineering roadmap when product, reliability, and platform priorities compete for the same team capacity.
ExtendDesign an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.
ExtendSet a clear north star, supporting KPIs, leading indicators, and guardrails for a new product feature.
ExtendDescribe how you used market or customer data to change course, and how you made the new strategy credible and measurable.
ExtendExplain which classification metrics to use and how metric choice depends on the business objective and error tradeoffs.
ExtendA framework for prioritizing AI product features based on user value, feasibility, evaluation quality, and trade-offs.
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