Amazon Development Centre Data Scientist Interview Questions

The questions to prepare for a Amazon Development Centre Data Scientist interview. Questions from real interview reports rank first. Updated daily.

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SQL & Data ManipulationStart here. 4 questions + 1 drill · ~48 min

Calculate the monthly spending trends for customers using window functions and joins.

7-Day Rolling Active UsersMedium

Practice

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning Totals

Amazon Development Centre

Optimize a PostgreSQL transaction query that filters, aggregates, ranks, and returns top merchants efficiently on large tables.

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Product Sense5 questions · ~47 min

Framework for judging whether an AI feature creates real user value, not just technically correct output.

Define Metrics for New FeaturesMedium

Define a success metric for a new feature that captures real user value, not just raw usage.

MetricsFeature Prioritizationuser value

Amazon Development Centre

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A/B Testing & Experimentation4 questions · ~38 min

Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio Mismatch

Amazon Development Centre

P-Value vs Confidence IntervalMedium

Evaluates understanding of uncertainty quantification and interpretation in experiments.

Amazon Development Centre

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Behavioral & Leadership4 questions · ~38 min

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