Top 19
Prep plan
Updated weekly · Last refresh Oct 17

ADP Data Engineer Interview Questions

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

19questions
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1
SQL & Data ManipulationStart here. 3 questions + 2 drills · ~47 min
2
Coding4 questions · ~35 min
Spark Narrow vs Wide DependenciesMedium

Explain how narrow and wide Spark dependencies differ, when shuffles occur, and how they affect performance and fault recovery.

Data ModelingADP
Tune a Slow PySpark JobHard

Tests your performance tuning skills for large-scale PySpark workloads.

efficiencyData ModelingoptimizationADP
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3
Pipelines12 questions · ~106 min
ETL vs ELT and Ingestion ModesMedium

Tests your design choices for ingestion patterns and transformation strategies in data pipelines.

Stream ProcessingETLData ModelingADP
Scalable Data Model StrategiesHard

Tests your methods for scaling modeling, performance, and maintainability as data grows.

scalabilityData ModelingQualityADP
Data Governance in PracticeMedium

Tests your ability to operationalize governance for quality, lineage, ownership, and compliance.

GovernanceData ModelingQualityADP
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The finish line: interview-readyComplete all 19 questions plus 2 hands-on drills to finish this plan.