Holmes Murphy & Associates Data Engineer Interview Questions

The questions to prepare for a Holmes Murphy & Associates Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

Optimize Multi-Terabyte ETL Pipeline

Medium

Explain how you improved a slow ETL pipeline on multi-terabyte data, including bottleneck analysis, tuning choices, and validation.

ETL optimizationdata processingperformance

Holmes Murphy & Associates

Data Modeling Tools and Architecture

Easy

Preferred tools and patterns for data modeling and pipeline architecture in a modern data platform.

InfrastructureToolsData Modeling

Holmes Murphy & Associates

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Prioritizing Conflicting High-Stakes Work

Easy

Tests prioritization under pressure, stakeholder management, and ownership when multiple urgent requests compete for limited time.

Stakeholder ManagementOwnershipDealing With Ambiguity

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Extract Unique Records in SQL

Easy

Tests proficiency writing correct SQL for deduplication and uniqueness constraints.

SubqueriesData Wrangling

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Handling Missing Values

Medium

Tests data cleaning decisions and handling missingness in analytics and reporting pipelines.

Data WranglingCase WhenAggregations

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Implementing Python Data Transformations

Medium

Tests ability to write maintainable Python transformations for structured data processing.

Hash TablesArraysStrings

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