Top 19
Prep plan
Updated weekly · Last refresh Oct 17

Not Sure QA Engineer Interview Questions

The questions to prepare for a Not Sure QA Engineer interview. Questions from real interview reports rank first. Updated daily.

19questions
~3htotal time
Track your progressSign up free to work through all 19 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 3 questions · ~27 min
Palindrome Function ImplementationEasy
Practice

Determine whether a string reads the same forward and backward using a two-pointer scan.

RecursionStringsTwo PointersNot Sure
Overloading vs OverridingMedium

Evaluates understanding of core Java concepts related to method behavior.

Not Sure
More Coding questions with a free account
2
Execution5 questions · ~44 min
Handling a Critical Production BugEasy

Describe how you handled discovery, escalation, triage, and containment of a critical bug under release pressure.

Trade-offsSuccess CriteriaRisk AssessmentNot Sure
Fixing Recurring Test IssuesMedium

Tests your problem-solving and continuous improvement mindset in QA workflows.

Success CriteriaRisk AssessmentScope ManagementNot Sure
Web Test Automation FrameworkHard

Tests your ability to architect maintainable, scalable automation frameworks and test structure.

Trade-offsRoadmappingScope ManagementNot Sure
More Execution questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
SQL & Data Manipulation4 questions + 3 drills · ~66 min
SQL and QA Automation ScopeMedium

Assesses breadth of QA skills across automation, database testing, and API testing.

databaseAutomationNot Sure
Database Integrity StrategyMedium

Tests your understanding of data integrity validation and coverage for CRUD operations.

JoinsData WranglingAggregationsNot Sure
Database Testing ExperienceMedium

Tests your ability to validate data correctness and reliability using database-focused QA techniques.

JoinsData WranglingNot Sure
SQL and Data Tooling ProficiencyMedium
Practice
Practice drill

Aggregate project usage to identify frequently used data analysis tools and compare their hours and ratings.

analytics toolsToolsJoinsLimeadeLaSalle NetworkE15 Group
Optimize a Slow SQL QueryHard
Practice
Practice drill

Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAmeripriseEEltro Cyberchrome PrivateEnergyHub
Data Integrity in AnalysesMedium
Practice
Practice drill

Audit claims for missing members, invalid amounts, and payment totals that exceed billed amounts.

JoinsData Wranglingdata validationHealthfirst (New York)BBritvic Soft DrinksAttentive
More SQL & Data Manipulation questions with a free account
4
Behavioral & Leadership7 questions · ~62 min
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 19 questions plus 3 hands-on drills to finish this plan.