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Updated weekly · Last refresh Oct 17

IBM Data Engineer Interview Questions

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

50questions
~11htotal time
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1
CodingStart here. 8 questions · ~105 min
Drop Duplicates in PySparkMedium
Practice

Deduplicate records by one or more key columns, retain the greatest timestamp, and return results in descending timestamp order.

deduplicationArraysAlgorithmsIBM
Aggregate with collect_list and collect_setMedium
Practice

Group values into ordered lists and unique collections, then reconstruct rows by exploding each collected list.

deduplicationaggregationArraysIBM
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2
SQL & Data Manipulation12 questions · ~157 min
Identify Bad Schema RecordsMedium
Practice

Identify malformed ingestion values by expected type and report their batch context.

data cleaningdata anomalydata validationIBM
Running Total in TransactionsMedium
Practice

Calculate account running balances by applying deposits and withdrawals in chronological transaction order.

ledgerfinancial dataAggregationsIBM
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3
System Design10 questions · ~131 min
Incremental Data Loading and Azure Data FactoryMedium

Explain incremental loading, failure handling, and restartable executions in Azure Data Factory.

cloud architecturedata ingestionfailure modesIBM
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4
Pipelines13 questions · ~171 min
Enterprise Search and Analytics ToolsHard
Recently asked

Explain how QuickSight SPICE memory is consumed, sized, monitored, and managed during dataset refreshes.

analyticsdata visualizationawsIBM
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5
Behavioral & Leadership5 questions · ~66 min
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6
More topics2 questions · ~26 min
Access Control and SecurityHard

Apply IBM Cloud IAM groups, least privilege, and audit logging to restrict data and platform access by user and team.

least privilegeaccess controliamIBM
Warehouse vs Data LakeMedium
Recently asked

Evaluates understanding of data storage architectures and IBM-relevant implications.

data warehouseIBM
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