Question bank
4,310 interview questions, answered.
Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.
Easy 0Medium 24Hard 7
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65 questions
- 1Airbnb checkout nudge: the full A/B designData·
Airbnb - 2Bagging vs boosting vs Random ForestData·
Amazon - 3BiLSTM vs TransformerMediumData·
Amazon - 4Dimensionality reduction methodsData·
Amazon - 5Handling imbalanced dataData·
Amazon - 6Netflix homepage experiment with conflicting metricsData·
Netflix - 7RAG vs fine-tuningMediumData· APAI PM/DS interview prep
- 8Transformer vs gradient-boosted trees on tabular dataData· AAAmazon AS depth
- 91M users drop off at 6 monthsMediumData·
Netflix - 10Bias-variance trade-offData·
Amazon - 11Causal inference without randomizationData·
Airbnb - 12Company vs client interests misalignedData·
Amazon - 13Compute the lift, SE and CI: ship or not?Data·
Airbnb - 14Cumulative weekly retention (SQL)MediumData·
Pinterest - 15Delivered something customers didn't know they neededHardData·
Amazon - 16Design and evaluate a book recommenderData·
Amazon - 17Design and evaluate an A/B testData·
Amazon - 18Disagreeing with your managerData·
Netflix - 19Driver fraud: SQL plus modeling pipelineData·
Uber - 20Investigate a 15% CTR dropHardData·
Netflix - 21Know your own project inside-outMediumData·
Duolingo - 22Measure engagement for a productivity appMediumData·
Netflix - 23Missing a long-term commitment (Ownership)Data·
Amazon - 24Outside-the-box simplification (Invent & Simplify)Data·
Amazon