Top 28
Prep plan
Updated weekly · Last refresh Oct 17

FDM Group Data Engineer Interview Questions

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

28questions
~4htotal time
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1
PipelinesStart here. 5 questions · ~40 min
Explain ETL in Data EngineeringEasy

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

ETLOrchestrationQualityFDM Group
Cloud AI Deployment Pipeline ExperienceMedium

Discuss experience building cloud-based AI pipelines, including orchestration, processing patterns, infrastructure choices, and data quality controls.

InfrastructureToolsQualityFDM Group
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityFDM Group
Cleaning Incomplete DatasetsMedium

Tests data quality techniques and practical pipeline thinking for incomplete data.

ETLData ModelingQualityFDM Group
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2
Behavioral & Leadership20 questions · ~160 min
Owning Impact During an InternshipEasy

Tests ownership and analytical impact during an internship, with emphasis on data-driven decisions and cross-functional collaboration.

backgroundself introductioninternship experienceFDM Group
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3
More topics3 questions · ~24 min
Optimizing SQL Query PerformanceMedium

Tests your ability to diagnose and improve query performance using indexing, query plans, and efficient SQL patterns.

Window FunctionsJoinsAggregationsFDM Group
Splitting Strings in PythonEasy

Tests Python string manipulation fundamentals and correct use of built-in methods.

ArraysStringsFDM Group
How SQL Data Storage WorksEasy

Tests understanding of how relational data is stored and accessed in SQL databases.

JoinsData WranglingFDM Group

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
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