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Amazon Web Services DevOps Engineer Interview Questions

The questions to prepare for a Amazon Web Services DevOps Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 5 questions · ~45 min
CSV Duration CalculationMedium
Practice

Pair transaction starts and completions with FIFO queues, returning durations and handling unmatched starts.

deduplicationaggregationcsv parsingAmazon Web Services
Second Smallest and LargestHard
Practice

Find the second distinct minimum and maximum in one pass using constant extra space.

ArraysAlgorithmsedge casesAmazon Web Services
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2
Execution19 questions · ~170 min
Improve CI/CD Pipeline ReliabilityMedium
Recently asked

Explain how you would improve a CI/CD pipeline by defining success, reducing release risk, and planning safe rollback paths.

Trade-offsSuccess CriteriaRisk AssessmentAmazon Web Services
Mentoring a Teammate Through DeliveryEasy
Recently asked

Describe how you mentored a colleague or strengthened team capability while still delivering on an important engineering project.

Risk AssessmentScope ManagementAmazon Web Services
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3
Pipelines5 questions · ~45 min
IaC for Pipeline InfrastructureMedium
Recently asked

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

InfrastructureOrchestrationDependenciesAmazon Web Services
Error Handling in CI/CD PipelinesMedium
Recently asked

Tests your ability to make pipelines robust with retries, rollbacks, and clear failure handling.

IdempotencyDependenciesQualityAmazon Web Services
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4
Technical Fundamentals3 questions · ~27 min
Process Memory Leaks vs File Descriptor LeaksMedium
Recently asked

Assesses debugging production resource leaks and isolation strategies.

memory leaksAmazon Web Services
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5
Behavioral & Leadership7 questions · ~62 min
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6
More topics2 questions · ~18 min
Walk Through Your APIsHard

Explain how you would build, deploy, secure, and integrate an ML API with external systems such as Salesforce.

backend integrationauthorizationapi gatewayAmazon Web Services
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