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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 weekly.

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1
CodingStart here. 5 questions · ~53 min
Implement LRU CacheEasy
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Recently asked

Problem Design a data structure that implements an LRU (Least Recently Used) cache. The cache should support the following operations: - get(key): Retrieve...

Hash TablesQueueLinked ListsAmazon Web Services
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2
SQL & Data Manipulation4 questions + 1 drill · ~52 min
Weekly Signup Cohort RetentionHard
Practice
Recently asked

Calculate weekly retention by signup cohort using CTEs, joins, date truncation, and distinct user counts.

Window FunctionsDate FunctionsAggregationsAmazon Web Services
Employee Dataset SQL QueriesMedium
Practice
Practice drill

Write PostgreSQL queries to analyze managers, direct reports, and hire dates in an employee table.

Date FunctionsJoinsCase WhenAmazon Web Services
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3
Execution5 questions · ~53 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 Learning5 questions · ~53 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 Design5 questions · ~53 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
Metrics5 questions · ~53 min
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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7
More topics21 questions · ~221 min
Use User Feedback to Improve ProductMedium

Tell the story of using user feedback to identify the right product change and make the improvement.

User ResearchFeature PrioritizationUser NeedsAmazon Web Services
IaC for Pipeline InfrastructureMedium
Recently asked

Explain how you use IaC to provision and manage pipeline infrastructure consistently across environments.

InfrastructureOrchestrationDependenciesAmazon Web Services
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The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.