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Amazon Web Services Interview Questions

The questions to prepare for Amazon Web Services interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 11 questions · ~158 min
Employees Missing Building NumberEasy
Practice

Use a LEFT JOIN to find employees in the company who do not have a building number.

JoinsAmazon Web Services
SQL JOIN With Missing ValuesMedium
Practice

Use a JOIN and COALESCE to return related rows while replacing missing values with defaults.

postgresqlnull handlingJoinsAmazon Web Services
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2
Coding11 questions · ~158 min
Sliding Window OptimizationMedium
Practice
Recently asked

Find the longest contiguous TikTok Shop product sequence containing at most k distinct products using a sliding window.

data processingSliding WindowoptimizationAmazon Web Services
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3
Execution11 questions · ~158 min
Balancing Speed and QualityMedium
Recently asked

Describe a real example of choosing between faster delivery and a higher quality bar, including stakeholder alignment and risk management.

Trade-offsStakeholder ManagementSuccess CriteriaAmazon Web Services
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4
Machine Learning3 questions · ~43 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 Web Services
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5
System Design8 questions · ~115 min
Design a Low Latency RAG PlatformHard
Recently asked

Design a low latency RAG system over millions of documents, with scalable retrieval, ranking, generation, and production monitoring.

low latencyscalabilityRAG architectureAmazon Web Services
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6
Behavioral & Leadership3 questions · ~43 min
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7
More topics3 questions · ~43 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityAmazon Web Services
Investigate User Engagement DeclineMedium
Recently asked

Investigate a 15% engagement decline by decomposing the metric, isolating root causes, and proposing actions.

RetentionDiagnosisEngagement MetricsAmazon Web Services
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