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Updated weekly · Last refresh Aug 30

Qlik QA Engineer Interview Questions

The questions to prepare for a Qlik QA Engineer interview. Questions from real interview reports rank first. Updated weekly.

27questions
~4htotal time
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1
ExecutionStart here. 7 questions · ~57 min
Manual vs Automated RegressionMedium

Tests test strategy tradeoffs and planning for sprint execution.

process improvementAgiletest strategyQlik
Release Readiness MetricsMedium

Tests judgment on release criteria and use of measurable quality metrics.

MetricsSuccess CriteriaQlik
Load Testing for Qlik AnalyticsHard

Tests performance engineering approach for cloud analytics under realistic load.

performancescalabilityQlik
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2
Coding4 questions · ~33 min
Automation Framework for SPAsHard

Tests ability to architect maintainable UI automation for modern web apps.

javascriptTestingFrameworksQlik
Implement Page Object ModelMedium

Tests automation design patterns and maintainability practices.

TestingoopFrameworksQlik
Mocking External DependenciesMedium

Tests test isolation techniques and practical mocking approaches.

APIsTestingFrameworksQlik
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3
Behavioral & Leadership14 questions · ~114 min
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4
More topics2 questions · ~16 min
ETL Source-to-Target ValidationHard

Tests end-to-end data validation strategy for ETL correctness and integrity.

ETLReconciliationdata integrityQlik
SQL Duplicate DetectionMedium

Tests SQL skills and ability to use duplicate detection for reliable data validation.

deduplicationGroup Bydata validationQlik

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

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

ETLAggregationsData ModelingADP
The finish line: interview-readyComplete all 27 questions plus 3 hands-on drills to finish this plan.