Top 20
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Updated weekly · Last refresh Oct 17

Criteo DevOps Engineer Interview Questions

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

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1
Security & InfrastructureStart here. 9 questions · ~87 min
Scaling Network ArchitectureMedium

Assesses your approach to scaling network infrastructure for a high-traffic web environment like Criteo.

scalingCriteo
OSI and DNS in Web SystemsMedium

Tests your foundational networking knowledge relevant to troubleshooting and service connectivity.

InfrastructureToolsQualityCriteo
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2
Behavioral & Leadership5 questions · ~49 min
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3
More topics6 questions · ~58 min
Design a Production Rollback PlanMedium

Design a rollback plan for a failed production deployment, including triggers, ownership, validation, and safe recovery steps.

Rollback PlanSuccess CriteriaRisk AssessmentCriteo
DevOps Roles: Engineer vs EngineerEasy

Tests your understanding of DevOps collaboration boundaries and responsibilities across engineering roles.

Stakeholder ManagementCommunicationOwnershipCriteo
Array Sorting ImplementationEasy
Practice

Sort Airbus Americas Customer Services part numbers numerically using a comparison-based algorithm and explain its time and space trade-offs.

ArraysSortingProgrammingCriteo
CI/CD for MicroservicesHard

Tests your ability to design automated delivery workflows for microservices in a production environment.

SchedulingOrchestrationDependenciesCriteo
Automate an Operational TaskMedium
Practice

Automate operational steps by producing a valid dependency order with topological sorting and cycle detection.

Hash TablesArraysStringsCriteo
Data Replication and ConsistencyHard

Tests your knowledge of distributed data replication, consistency models, and operational implications.

DependenciesData ModelingQualityCriteo

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