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Interview · QA Tester

QA Tester interview questions, with what they test.

12 questions built from what the job actually involves: its core duties, the skills rated most important and the tools in use. Switch on practice mode to rehearse before you look.

12 questions · practice mode
Updated Nov 2, 2026 · Data: O*NET 31.0
Quick answer

QA Tester interviews test whether you can do the core work, such as identify, analyze, and document problems with program function…, and the skills rated most important for the role: reading comprehension, active listening and speaking (O*NET). Prepare one true, specific story for each, with a result.

Had it 0Practise 0Practice mode
Q01Walk me through how you identify, analyze, and document problems with program function, output, online screen, or content.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for qa testers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you provide feedback and recommendations to developers on software…?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used Git
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q02Walk me through how you document software defects, using a bug tracking system, and report defects to software developers.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for qa testers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you install, maintain, or use software testing programs?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used GitHub
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q03Walk me through how you develop testing programs that address areas such as database impacts, software scenarios, regression testing, negative testing, error or bug retests, or usability.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for qa testers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you test system modifications to prepare for implementation?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used Jenkins CI
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q04Walk me through how you design test plans, scenarios, scripts, or procedures.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for qa testers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you create or maintain databases of known test defects?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used Selenium
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q05Walk me through how you document test procedures to ensure replicability and compliance with standards.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for qa testers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you develop or specify standards, methods, or procedures to determine…?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used Appium
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q06Tell me about a piece of code you are proud of and why.Programming
What they are really testing

Code quality, reasoning and ownership. Programming is rated 3.6 of 5 for this job, +2.0 against the average occupation (O*NET).

Answer approach
  1. Step 1What it did
  2. Step 2A key decision
  3. Step 3How you tested it
  4. Step 4Pick the example from the core work, for instance when you had to identify, analyze, and document problems with program function, output, online…
Q07Tell me about a time you worked out what a process or tool needed to do before changing it.Operations Analysis
What they are really testing

Analysing requirements before acting. Operations Analysis is rated 3.1 of 5 for this job, +1.1 against the average occupation (O*NET).

Answer approach
  1. Step 1What needed to change
  2. Step 2How you gathered the requirements
  3. Step 3What you recommended
  4. Step 4Pick the example from the core work, for instance when you had to document software defects, using a bug tracking system, and report defects to…
Q08How do you check that work meets the standard before it goes out?Quality Control Analysis
What they are really testing

Inspection habits and standards. Quality Control Analysis is rated 3.4 of 5 for this job, +1.0 against the average occupation (O*NET).

Answer approach
  1. Step 1The standard
  2. Step 2Your checks
  3. Step 3A defect you caught
  4. Step 4Pick the example from the core work, for instance when you had to develop testing programs that address areas such as database impacts, software…
Q09Describe something you designed or adapted to meet a specific need.Technology Design
What they are really testing

Designing to requirements, with trade-offs. Technology Design is rated 2.6 of 5 for this job, +0.9 against the average occupation (O*NET).

Answer approach
  1. Step 1The need
  2. Step 2Your design
  3. Step 3The trade-offs
  4. Step 4Pick the example from the core work, for instance when you had to design test plans, scenarios, scripts, or procedures
Q10Walk me through how you found the cause of a problem that was not obvious.Troubleshooting
What they are really testing

Systematic diagnosis rather than guessing. Troubleshooting is rated 2.9 of 5 for this job, +0.9 against the average occupation (O*NET).

Answer approach
  1. Step 1The symptom
  2. Step 2What you ruled out first
  3. Step 3How you found the cause
  4. Step 4Pick the example from the core work, for instance when you had to document test procedures to ensure replicability and compliance with standards
Q11Which of these have you used: Git, GitHub, Jenkins CI? Tell me about a recent piece of work with one of them.Tools
What they are really testing

Real, recent use of the tools qa testers depend on, not a list of names.

Likely follow-ups
  • How would you get up to speed on TestNG if you haven't used it?
Answer approach
  1. Step 1Name the tool and the task, e.g. Git for identify, analyze, and document problems with program…
  2. Step 2What you did with it
  3. Step 3A problem you solved with it
  4. Step 4What the output was used for
Q12Why do you want to work as a QA Tester?Motivation
What they are really testing

Whether you understand what the job really involves, and whether that is what you want.

Answer approach
  1. Step 1Name the part of the work you like: e.g. identify, analyze, and document problems with program…
  2. Step 2Evidence you have done it or something close
  3. Step 3Why this employer
  4. Step 4Where you want to grow

Data Duty, skill, tool and conditions questions are built from O*NET data for this occupation. Advice Answer approaches are our coaching advice.

Answer framework

Two structures that work

SSituationOne sentence of context.
TTaskWhat you owned.
AActionWhat you did, in your words.
RResultWhat changed, with a number if true.
Questions to ask them

End the interview well

Advice

  • What does a strong first 90 days look like for this qa tester role?
  • Which part of the work takes the most time in a typical week?
  • How is performance measured here?
  • What tools and systems does the team use?
FAQ

Common questions

What are common QA Tester interview questions?
Expect questions about the core duties (identify, analyze, and document problems with program…), about reading comprehension and active listening, and about the tools you have used. This page lists 12 with what each one tests.
How should I answer behavioral questions?
Use a short structure such as Situation, Task, Action, Result, and end with a specific, true result.
Method

How this page is built

Questions are generated from O*NET 31.0 data for the occupation: its core tasks, the skills with the highest importance ratings, the tools reported, and work-context ratings. The interviewer intent and answer approach are TryHired coaching advice.

What this page can't tell you
  • What a specific employer will ask.
  • Technical tests or licensing exams for the role.
Sources
  1. O*NET 31.0 Database, U.S. Department of Labor, Employment and Training Administration (USDOL/ETA), used under the CC BY 4.0 license. TryHired selected, ranked and combined the data; O*NET is not responsible for these pages.

How TryHired builds this data: sources, methods and downloads. Spotted an error? Report a correction.

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