Dataford
Dataford
Top 33
Prep plan
Updated weekly · Last refresh Oct 17

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 daily.

33questions
~5htotal time
Track your progressSign up free to work through all 33 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 3 questions + 1 drill · ~37 min
Top 10 Products SQL QueryEasy
Practice
Recently asked

Task Artefact's commerce analytics team needs a monthly view of its strongest-selling products. Write a PostgreSQL query using the productsales table to fi...

sqlAmazon Development Center U.S.
Optimize a Slow SQL QueryHard
Practice
Recently asked
Practice drill

Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAmeripriseEEltro Cyberchrome PrivateEnergyHub
More SQL & Data Manipulation questions with a free account
2
A/B Testing & Experimentation3 questions · ~27 min
Design Test for New FeatureMedium
Recently asked

Design an A/B test for a new platform feature, including success metrics, power, guardrails, and a clear ship decision.

experiment designfeature evaluationA/B TestingAmazon 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
Machine Learning8 questions · ~72 min
Bias-Variance in Model SelectionMedium
Recently asked

Explain how the bias-variance tradeoff guides model selection and generalization.

Cross-ValidationBias-Variance TradeoffRegularizationAmazon Development Center U.S.
More Machine Learning questions with a free account
4
Statistics & Probability4 questions · ~36 min
Choosing a Significance TestEasy
Recently asked

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
5
Product Sense3 questions · ~27 min
Build an Engagement FeatureMedium
Recently asked

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
6
Behavioral & Leadership9 questions · ~81 min
More Behavioral & Leadership questions with a free account
7
More topics3 questions · ~27 min
Common Model Evaluation MetricsEasy
Recently asked

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

PrecisionAccuracyRecallAmazon Development Center U.S.
Diagnose Conversion Drop Post LaunchMedium
Recently asked

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.
AWS Architecture for ML AutomationHard
Recently asked

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

AutomationawsAmazon Development Center U.S.
The finish line: interview-readyComplete all 33 questions plus 1 hands-on drill to finish this plan.