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Updated weekly · Last refresh Sep 24

Datadog DevOps Engineer Interview Questions

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

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1
CodingStart here. 7 questions · ~98 min
Top 10 Frequent Error CodesMedium
Practice

Count error codes from an Affirm log stream and return the top 10 using a hash map and bounded heap.

log parsingerror handlingscriptingDatadog
Validate Custom Config SyntaxHard
Practice

Validate nested configuration text using recursive descent parsing and strict token consumption.

coding challengeCodingAlgorithmsDatadog
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2
Pipelines5 questions · ~70 min
Choosing Metrics, Logs, TracesHard

Compare Datadog metrics, logs, and traces, then select the right signal for pipeline monitoring and incident diagnosis.

Data Qualitydata pipelinesdata lineageDatadog
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3
Security & Infrastructure3 questions · ~42 min
Container Image Scanning in CIMedium

Tests how you integrate vulnerability scanning into pipelines with actionable gating and reporting.

Datadog
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4
More topics5 questions · ~70 min
Database Latency Spike ResponseHard

Plan the investigation, mitigation, stakeholder communication, and follow-up for database latency spikes at Datadog.

latencyalertingdatabaseDatadog
Terraform vs Pulumi vs CDKHard

Compare Terraform, Pulumi, and CDK across real-world infrastructure ergonomics, workflows, risks, and operational tradeoffs.

cloud architecturecost constraintsarchitecture patternsDatadog
Concurrency on Shared ResourcesHard

Explain how you would prevent corruption, lost updates, and inconsistent state when multiple processes write to one resource.

Executionconsistencytechnical discussionDatadog
Cutting AWS Cloud SpendHard

Design an ML system to detect, explain, and prioritize Datadog AWS cost optimization opportunities.

cloud architectureanomaly detectioncost constraintsDatadog
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