Dataford
Top 50
Prep plan
Updated weekly · Last refresh Sep 22

Amazon Data Scientist Interview Questions

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

50questions
~7htotal time
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 10 questions + 1 drill · ~95 min
Window Functions for Purchase RankingsMedium
Practice
Recently asked

Use CTEs and window functions to calculate monthly running purchase averages and rank Amazon users by completed purchase frequency.

Window FunctionsData AnalysissqlAmazon
Rolling 7-Day Metric With WindowsMedium
Practice
Recently asked
Practice drill

Rank Amazon seller categories by completed revenue using joins, aggregation, and DENSE_RANK().

Window FunctionsData AnalysissqlAmazon
More SQL & Data Manipulation questions with a free account
2
Product Sense5 questions · ~42 min
Design UI Feature A/B TestMedium
Recently asked

Design an experiment plan to measure whether a new UI feature improves user outcomes without hurting key guardrail metrics.

MetricsExperimentationUser NeedsAmazon
More Product Sense 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
Machine Learning10 questions · ~85 min
Supervised vs Unsupervised LearningEasy
Recently asked

Explain how supervised and unsupervised learning differ, including data requirements, goals, and evaluation.

Unsupervised LearningModel EvaluationSupervised LearningAmazon
More Machine Learning questions with a free account
4
A/B Testing & Experimentation9 questions · ~76 min
Plan Sample Size for Checkout TestMedium
Recently asked

Design a checkout A/B test with explicit MDE, sample-size math, guardrails, and a pre-registered decision rule under a 14-day limit.

MDEPower AnalysisSample SizeAmazon
More A/B Testing & Experimentation questions with a free account
5
Model Evaluation3 questions · ~25 min
Ranking After PredictionsMedium
Recently asked

Evaluates ability to convert model outputs into ranked lists and scoring logic.

RankingAmazon
More Model Evaluation questions with a free account
6
Statistics & Probability3 questions · ~25 min
Sample Size for Low ConversionMedium
Recently asked

Tests your experimental design skills for low-signal metrics and statistical power.

MetricsStatistical SignificanceSample SizeAmazon
More Statistics & Probability questions with a free account
7
More topics10 questions · ~85 min
Explain Transformer Architecture and Attention MechanismsHard
Recently asked

Discuss the architecture of Transformers, focusing on self-attention and its impact on NLP tasks.

Neural NetworksLanguage ModelsDeep LearningAmazon
End-to-End Data Processing PipelineMedium
Recently asked

Tests your ability to design and reason about end-to-end data workflows and dependencies.

data processingAmazon
More questions with a free account
The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.