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Updated weekly · Last refresh Aug 30

Flatiron Health QA Engineer Interview Questions

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

26questions
~3htotal time
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1
SQL & Data ManipulationStart here. 4 questions + 3 drills · ~62 min
Validate Data Migration IntegrityMedium

Tests QA strategy for ensuring migrated clinical data remains accurate and consistent.

data migrationReconciliationdata integrityFlatiron Health
Join Types and QA VerificationMedium

Tests understanding of SQL join semantics and applying them to detect data quality issues.

null handlingJoinsdata integrityFlatiron Health
SQL Practice for Multiple ScenariosMedium

Tests breadth of SQL query-writing for typical QA data validation tasks.

Data Manipulationsql queriesFlatiron Health
SQL Bookstore Schema PracticeEasy
Practice
Practice drill

Use a CTE, joins, and distinct aggregates to calculate Meta Logistics bookstore payment metrics.

sql queriessqlpythonMeta Logistics
Deduplicate Shipment Events for Lead TimeMedium
Practice
Practice drill

Use CTEs and ROW_NUMBER to remove duplicate shipment events, fill missing created times, and compute shipment lead time in days.

null handlingReconciliationdata integrityAnduril
SQL Duplicate Record DetectionEasy
Practice
Practice drill

Find duplicate American Institutes for Research assessment submissions using a CTE, GROUP BY, HAVING, and joins.

deduplicationsqldata integrityAmerican Institutes for ResearchMacy's
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2
Behavioral & Leadership18 questions · ~144 min
When a Developer Disputes a BugMedium

Tests conflict resolution and influence in bug triage when a QA engineer must defend a defect with evidence and preserve collaboration.

Conflict Resolutionbug triageOwnershipFlatiron Health
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3
More topics4 questions · ~32 min
Python Performance OptimizationMedium

Tests ability to improve performance of data-processing code relevant to QA automation.

data processingperformancepythonFlatiron Health
Previous Experience OverviewEasy

Tests your ability to summarize relevant experience and connect it to the Account Executive role.

Risk AssessmentScope ManagementFlatiron Health
Fibonacci and Core CodingMedium

Evaluates your coding fundamentals and ability to reason about data structures for a QA role.

leetcodeProblem Solvingtechnical knowledgeFlatiron Health
Why You Applied to DowEasy

Tests your motivation and fit for the QA Engineer role at Dow.

User NeedsValue PropositionProduct VisionFlatiron Health

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