Top 12
Prep plan
Updated weekly · Last refresh Sep 21
I

itD Data Engineer Interview Questions

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

12questions
~2htotal time
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1
PipelinesStart here. 5 questions · ~40 min
Pipeline Alerting and Monitoring DesignMedium

Set up pipeline monitoring and alerting that catches critical failures quickly while limiting noisy alerts.

InfrastructureToolsQualityiitD
Design an ETL Pipeline for Large DatasetsMedium

Design an ETL pipeline to process 10TB of data daily from multiple sources into a data warehouse with strict data quality checks.

InfrastructureETLData ModelingiitD
Data Quality and Schema EvolutionMedium

Approach for handling schema changes and data quality checks in a high-volume data lake pipeline.

schema evolutionData ModelingQualityiitD
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityiitD
Choosing Orchestration ToolsMedium

Tests your decision-making framework for orchestrating itD data pipelines.

airflowiitD
2
Behavioral & Leadership5 questions · ~40 min
Handling a Critical Production IncidentMedium

Tests ownership and prioritization under pressure during a high-severity production incident, including communication and recovery discipline.

resilienceproduction issuesOwnershipiitD
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3
More topics2 questions · ~16 min
Real-Time and Batch Data ArchitectureHard

Evaluates your system design for combining streaming and batch pipelines reliably.

Batch Processingdata architectureiitD
Data Warehousing Architecture Trade-offsMedium

Tests your ability to compare warehouse architectures and make sound design decisions.

scalabilityiitD

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