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Updated weekly · Last refresh Aug 30

Reddit DevOps Engineer Interview Questions

The questions to prepare for a Reddit DevOps Engineer interview. Questions from real interview reports rank first. Updated weekly.

17questions
~2htotal time
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1
PipelinesStart here. 4 questions · ~32 min
Container Orchestration for PipelinesEasy

Discuss preferred container orchestration tools for running pipelines, and explain the trade-offs behind the choice.

InfrastructureToolsOrchestrationReddit
Design for Viral Traffic SpikesHard

Tests system design for elasticity, reliability, and performance under sudden demand surges.

system designscalabilityarchitectureReddit
Global Deployment for MicroservicesHard

Tests deployment architecture, rollout safety, and global latency considerations.

cloud infrastructurearchitecturemicroservicesReddit
Observability for Distributed SystemsHard

Tests observability strategy, instrumentation, and incident readiness across services.

monitoringdistributed systemsobservabilityReddit
2
Execution7 questions · ~56 min
Database Trade-offs for Read HeavyMedium

Tests database selection reasoning, performance trade-offs, and operational implications.

Trade-offsperformancescalabilityReddit
Defining SLOs for User ServicesMedium

Tests SLO design, error budget thinking, and translating user impact into measurable targets.

performanceuser experienceReddit
Choosing Critical MetricsMedium

Tests metric selection, signal-to-noise thinking, and alignment to user impact.

monitoringMetricsData AnalysisReddit
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3
Behavioral & Leadership6 questions · ~48 min
Leading a Team Through AmbiguityMedium

Tests leadership in ambiguous, high-stakes team delivery situations, including stakeholder alignment, ownership, and execution under changing conditions.

Conflict ResolutionStakeholder ManagementCommunicationReddit
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