Etsy Data Scientist Interview Questions
The questions to prepare for a Etsy Data Scientist interview. Questions from real interview reports rank first. Updated weekly.
Build a monthly customer retention cohort table using CTEs, date math, and conditional aggregation.
EtsyUse joins, CASE WHEN, and date filtering to compare outcome rates before and after a decision.
HarbourVest PartnersRank the top 3 completed rides per vehicle per day using joins, a CTE, and ROW_NUMBER.
WaymoIdentify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.
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Explain a practical feature selection process using validation, regularization, and model-based importance to improve generalization.
EtsyInvestigate why a key KPI moved the wrong way after a product change and separate signal from noise.
EtsyEvaluates breadth across ML, coding, and system design in a single interview flow.
EtsyDefine a success metric for a new feature that captures real user value, not just raw usage.
EtsyTests hypothesis testing and statistical significance reasoning for conversion metrics.
EtsyAssesses ability to choose appropriate metrics, thresholds, and validation strategies.
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