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Amazon Development Center U.S. Interview Questions

The questions to prepare for Amazon Development Center U.S. interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 4 questions · ~42 min
Two Sum with TargetEasy
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Recently asked

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsAmazon Development Center U.S.
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2
SQL & Data Manipulation4 questions · ~42 min
Optimize a Slow SQL QueryHard
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Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAmazon Development Center U.S.
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3
Pipelines3 questions · ~31 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityAmazon Development Center U.S.
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4
Execution4 questions · ~42 min
Prioritize Work Under Tight DeadlinesEasy
Recently asked

Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.

Trade-offsRoadmappingScope ManagementAmazon Development Center U.S.
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5
Machine Learning4 questions · ~42 min
Supervised vs Unsupervised LearningEasy
Recently asked

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.
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6
Metrics4 questions · ~42 min
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.
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7
More topics27 questions · ~283 min
Tell Me About YourselfEasy
Recently asked

Craft a concise self-introduction that highlights fit, communication style, and relevance for an Account Executive role.

brand cultureBusiness AcumenCompetitive AnalysisAmazon Development Center U.S.
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.
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