Dataford
Dataford
Top 29
Prep plan
Updated weekly · Last refresh Oct 17

DoubleVerify Data Engineer Interview Questions

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

29questions
~4htotal time
Track your progressSign up free to work through all 29 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 5 questions + 2 drills · ~63 min
Top Products by Sales RevenueEasy
Practice

Find the top 10 products by total sales revenue using joins, aggregation, and a CTE.

RankingGroup ByAggregationsDoubleVerify
SQL vs NoSQL for Go-to-Market DataEasy

Explain how SQL and NoSQL differ in schema, consistency, scaling, and Demandbase-style analytics use cases.

JoinsData WranglingDoubleVerify
SQL Aggregations on TablesMedium

Assesses understanding of SQL aggregation patterns and common pitfalls in analytical queries.

aggregationData AnalysisDoubleVerify
7-Day Rolling Active UsersMedium
Practice
Practice drill

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsMetaSpotifyMeta IT
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
More SQL & Data Manipulation questions with a free account
2
Pipelines11 questions · ~95 min
Secure DevOps Data PipelinesMedium

Approach for embedding security controls into data pipeline delivery, orchestration, and operations.

InfrastructureOrchestrationQualityDoubleVerify
Debugging Production Data PipelinesMedium

A structured approach to debugging production data pipelines, with focus on orchestration, data quality, idempotency, and safe backfills.

InfrastructureToolsQualityDoubleVerify
Explain ETL in Data EngineeringEasy

Explain the ETL process, why it matters, and how it fits into a practical data pipeline.

ETLOrchestrationQualityDoubleVerify
More Pipelines questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Coding5 questions · ~43 min
SQL, Python, and Linux CodingMedium

Tests your ability to implement data transformations using SQL and Python in a Linux-based workflow.

sqlpythonDoubleVerify
Sorting Algorithm and ComplexityMedium

Tests core computer science fundamentals and ability to reason about algorithm performance.

RecursionArraysSortingDoubleVerify
More Coding questions with a free account
4
Behavioral & Leadership8 questions · ~69 min
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 29 questions plus 2 hands-on drills to finish this plan.