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Updated weekly · Last refresh Oct 15

PNC Financial Services Group Data Engineer Interview Questions

The questions to prepare for a PNC Financial Services Group Data Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
PipelinesStart here. 13 questions · ~104 min
Handle PySpark Data SkewMedium

Approach for detecting and mitigating skew in PySpark pipelines using partitioning, join strategies, and runtime monitoring.

Data Qualitypysparkdata skewnessPNC Financial Services Group
Data Quality in ML PipelinesMedium

Practical approach for maintaining data quality across ML ETL pipelines, orchestration, and repeatable data processing.

Data QualityETLData ModelingPNC Financial Services Group
Batch vs Stream Processing Trade-offsMedium

Compare batch and stream processing across latency, complexity, cost, and data quality in a modern analytics pipeline.

InfrastructureStream ProcessingETLPNC Financial Services Group
OpenShift for Data WorkloadsMedium

Assesses trade-offs of container platforms for running data engineering workloads.

data engineeringcontainerizationPNC Financial Services Group
ETL for High-Volume StreamingHard

Evaluates design choices for reliable, scalable streaming ETL.

data processingETLPNC Financial Services Group
Hadoop Ecosystem and Resource ManagementMedium

Tests practical experience with Hadoop components and cluster resource management.

data engineeringhadoopPNC Financial Services Group
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2
Behavioral & Leadership5 questions · ~40 min
Disagreeing on Technical Debt PrioritiesMedium

Tests conflict resolution and influence when balancing technical debt against product delivery with cross-functional stakeholders.

Conflict ResolutionStakeholder Managementtechnical debtPNC Financial Services Group
Fixing a Critical Process BottleneckMedium

Tests ownership and prioritization in process improvement, with emphasis on root-cause diagnosis, execution, and measurable operational impact.

process improvementLeadershipProblem SolvingPNC Financial Services Group
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The finish line: interview-readyComplete all 18 questions to finish this plan.