Dataford
Top 37
Prep plan
Updated weekly · Last refresh Aug 30

Amazon Development Center U.S. Data Scientist Interview Questions

The questions to prepare for a Amazon Development Center U.S. Data Scientist interview. Questions from real interview reports rank first. Updated weekly.

37questions
~5htotal time
Track your progressSign up free to work through all 37 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 4 questions + 1 drill · ~45 min
Analyze Customer Purchase Trends with Window FunctionsEasy
Practice

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

Amazon Development Center U.S.
Top Products by Sales RevenueEasy
Practice
Practice drill

Find the top 10 products by total sales revenue using joins, aggregation, and a CTE.

RankingGroup ByAggregationsRTXiSmile TechnologiesCatalina
More SQL & Data Manipulation questions with a free account
2
A/B Testing & Experimentation3 questions · ~26 min
Pitfalls in Streaming Experiment AnalysisHard

Identify major online experiment pitfalls and explain how they can bias results in a streaming product A/B test.

Network InterferenceNovelty EffectSample Ratio MismatchAmazon Development Center U.S.
More A/B Testing & Experimentation questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Product Sense3 questions · ~26 min
Build an Engagement FeatureMedium

Approach for identifying, prioritizing, and launching a new feature that increases user engagement.

Feature PrioritizationUser NeedsUse CasesAmazon Development Center U.S.
More Product Sense questions with a free account
4
Machine Learning9 questions · ~79 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffAmazon Development Center U.S.
More Machine Learning questions with a free account
5
Statistics & Probability4 questions · ~35 min
Choosing a Significance TestEasy

Explain how to choose an appropriate significance test based on metric type, study design, and the null hypothesis.

Confidence IntervalsHypothesis TestingStatistical SignificanceAmazon Development Center U.S.
More Statistics & Probability questions with a free account
6
Behavioral & Leadership11 questions · ~96 min
More Behavioral & Leadership questions with a free account
7
More topics3 questions · ~26 min
Diagnose Conversion Drop Post LaunchMedium

Diagnose why conversion fell from 4.8% to 3.1% after a launch by breaking the metric across funnel steps, cohorts, and segments.

Funnel AnalysisConversion RateDiagnosisAmazon Development Center U.S.
Common Model Evaluation MetricsEasy

Explain common machine learning evaluation metrics and when each is useful.

PrecisionAccuracyRecallAmazon Development Center U.S.
AWS Architecture for ML AutomationHard

Evaluates your ability to design scalable AWS-based ML systems with automation.

AutomationawsAmazon Development Center U.S.
The finish line: interview-readyComplete all 37 questions plus 1 hands-on drill to finish this plan.