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Top 50 data integration Interview Questions

The most frequently asked data integration questions across all roles and companies, ranked by real interview frequency. Updated daily.

50questions
~7htotal time
92companies covered
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1
PipelinesStart here. 38 questions · ~304 min
Legacy Database to Observability PlatformMedium
Recently asked

Explain how to connect a legacy on premises database to a cloud observability platform, including API protocol and security choices.

data integrationAPIsobservabilityNiCEAirbus HelicoptersStellantis
Multi-Cloud IAM for PipelinesMedium

Approach for keeping IAM policies consistent across data pipelines running in multiple clouds.

data integrationSecurityCloudNTT DATAPluralsightGEICO
Cloud Migration Plan for Risk SystemHard
Recently asked

Structure a governed migration from an on-premise risk system to a cloud data platform with reliable ingestion, validation, cutover, and rollback.

data integrationmigrationdata pipelinesMcKinsey &
Integrating Third-Party ServicesHard

Explain how you would ingest, normalize, monitor, and reliably deliver third-party service data into Datadog.

data integrationInfrastructureAPIsDatadog
Hybrid Cloud ArchitectureHard

Design a secure hybrid-cloud telemetry pipeline using Datadog for unified ingestion, processing, storage, observability, and failure recovery.

data integrationInfrastructuredata pipelinesDatadog
Designing a Custom IntegrationHard

Design an ETL pipeline for a reliable, observable custom integration with Datadog.

data integrationdata pipelineAPIsDatadog
Integrate CRMs into AnalyticsHard
Recently asked

Design a reliable batch and streaming pipeline connecting customer sources and Salesforce or Dynamics to Adobe Experience Platform analytics.

Data Qualitydata integrationdata pipelinesAdobe
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2
System Design3 questions · ~24 min
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3
SQL & Data Manipulation5 questions + 3 drills · ~70 min
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
Contact Center Agent Performance MetricsHard
Practice
Recently asked
Practice drill

Compute daily agent call KPIs and SLA using joins, aggregations, and window ranking in a contact center model.

ETLAggregationsData ModelingADP
Handle Missing Financial Input ValuesMedium
Practice
Practice drill

Use joins, CTEs, and CASE logic to flag and fill missing financial fields for Qlik planning records.

Data WranglingETLQualityQlik
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4
More topics4 questions · ~32 min
Reconciling Data Across SystemsEasy
Recently asked

Tests ownership and stakeholder management when extracting and reconciling data from multiple systems under business pressure.

data integrationtechnical experiencedata extractionZoetisOracleBroadridge
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