Top 23
Prep plan
Updated weekly · Last refresh Oct 17

Criteo Site Reliability Engineer Interview Questions

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

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1
CodingStart here. 9 questions · ~103 min
Efficient Dataset Sorting or SearchMedium
Practice

Sort Criteo event records by timestamp and use binary search to return events within an inclusive time range.

SearchingSortingCriteo
Connected Components in an Undirected GraphEasy
Practice

Count disconnected groups in a Criteo service dependency graph using adjacency lists and DFS.

Criteo
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2
Security & Infrastructure5 questions · ~57 min
Design Highly Available AWS ApplicationHard

Architect a highly available AWS application with clear trust boundaries, resilient failover, and security controls that preserve availability.

InfrastructureNetworkingQualityCriteo
What Happens When You Open a URLMedium

Assesses understanding of browser-to-network steps that affect reliability and debugging.

NetworkingCriteo
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3
Behavioral & Leadership5 questions · ~57 min
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4
More topics4 questions · ~46 min
Web Services Troubleshooting FocusMedium

Evaluates operational troubleshooting approach for web services in an SRE context.

NetworkingTroubleshootingCriteo
Monitoring and Alerting ApproachMedium

Tests ability to design effective observability and alerting strategies for distributed systems.

alertingtechnical experienceCriteo
Design a Web Search EngineHard

Evaluates large-scale system design tradeoffs for indexing and search infrastructure.

InfrastructureCriteo
Concurrency in Your CodeMedium

Tests understanding of concurrency hazards and designing safe parallel execution.

CodingperformanceconcurrencyCriteo
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