Criteo Data Engineer Interview Questions
The questions to prepare for a Criteo Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Find the longest substring with all unique characters using a sliding window.
CriteoReturn the sorted multiset intersection of two nondecreasing integer lists using two pointers.
CriteoTests algorithmic fundamentals and ability to reason about performance tradeoffs.
CriteoApproach for handling missing values in a pipeline with data quality checks and repeatable transformations.
CriteoExplain a complex ETL transformation you built, including the main challenges and how you handled them.
CriteoDesign an ETL pipeline to process 10TB of data daily from multiple sources into a data warehouse with strict data quality checks.
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Tests foundational database knowledge and when to choose each type.
CriteoTests your ability to improve SQL performance through indexing, query structure, and execution strategy.
CriteoAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
Total Wine & More
Inc.
Benjamin MooreCompute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.
ADPUse joins, CTEs, and row ranking to resolve conflicting customer profile values across ACME House systems.
Ramsey Solutions
ACME House