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Top 18
Prep plan
Updated weekly · Last refresh Aug 30

Ancestry QA Engineer Interview Questions

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

18questions
~3htotal time
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1
CodingStart here. 4 questions · ~36 min
First Non-Repeated CharacterEasy
Practice

Use a hash table frequency count and a second pass to return the first non-repeated character in a string.

Hash Tablesfrequency countStringsAncestry
Custom Nested JSON ParserMedium

Tests your parsing logic, robustness, and ability to handle nested structures without libraries.

javajson parsingStringsAncestry
HashMap Internals and CollisionsMedium

Tests your understanding of Java data structures and how collisions affect correctness and performance.

Hash TablesjavaAncestry
Selenium Automation StrategyMedium

Evaluates your Selenium-based approach to functional UI testing.

seleniumAncestry
2
Execution3 questions · ~27 min
Release Readiness CriteriaMedium

Tests your QA judgment, risk assessment, and release gating practices for production deployments.

release planningSuccess Criteriaship readinessAncestry
Test Plan for New FeatureMedium

Tests your ability to design end-to-end test coverage, scope, and quality gates for new features.

test planningquality engineeringScope ManagementAncestry
Test Plan for New FeatureMedium

Tests your approach to planning QA for a new Ancestry product feature.

AgileTestingAncestry

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3
Behavioral & Leadership11 questions · ~98 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 triageOwnershipAncestry
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The finish line: interview-readyComplete all 18 questions to finish this plan.