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Updated weekly · Last refresh Oct 17

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 daily.

28questions
~5htotal time
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1
SQL & Data ManipulationStart here. 5 questions + 1 drill · ~60 min
SQL Conversion Rate QueryMedium

Assesses your SQL and data manipulation skills for transforming and retrieving conversion rates.

currency conversionData StructuresFlatiron Health
SQL Eligibility Criteria QueryMedium
Practice

Find patients eligible for recruiting clinical trials based on age, matching conditions, and exclusion conditions.

Subqueriesnull handlingJoinsFlatiron Health
Working With SQL, R, Python, and AWSEasy
Practice
Practice drill

Summarize completed SQL, R, Python, and AWS runs for each data work item.

JoinsData ManipulationsqlFlatiron Health
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2
Coding4 questions · ~40 min
Algorithm Problem in PythonMedium
Practice

Find the length of the longest substring without repeated characters using a sliding window.

coding challengeArraysStringsFlatiron Health
Fibonacci and Core CodingMedium

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

leetcodeProblem Solvingtechnical knowledgeFlatiron Health
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3
Behavioral & Leadership14 questions · ~141 min
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4
More topics5 questions · ~50 min
Why You Applied to DowEasy

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

User NeedsValue PropositionProduct VisionFlatiron Health
Defect Life Cycle and Test Life CycleEasy

Tests understanding of QA lifecycle concepts and how they relate to each other.

quality assuranceFlatiron Health
Test Suite for Oncology FeatureHard

Tests test strategy, coverage, and risk-based thinking for oncology product changes.

quality assurancetest strategyFlatiron Health
Python Lists vs Tuples and MemoryEasy

Tests Python knowledge that impacts correctness and performance in QA tooling.

abstractionpythonoopFlatiron Health
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The finish line: interview-readyComplete all 28 questions plus 1 hands-on drill to finish this plan.