25 QA Engineer Interview Questions
Assess test strategy, automation skills, bug investigation and the ability to defend quality without becoming a bottleneck for QA engineer candidates.
QA Engineer Interview Questions
25 total- 1
How do you decide what to test first when you join a feature with a tight deadline and no written test plan?
- 2
What is the difference between a test case that finds bugs and one that only confirms the happy path? Give an example.
- 3
Walk me through how you would build a regression suite for a product that has none today.
- 4
Which tests do you automate and which do you deliberately keep manual? What is your reasoning?
- 5
How do you handle flaky tests in an end-to-end suite? What do you do before deleting one?
- 6
Explain how you would apply boundary value analysis and equivalence partitioning to a form that accepts an age.
- 7
Describe the structure of a bug report that a developer can act on in five minutes.
- 8
How do you test an API that has no user interface? What do you check beyond the status code?
- 9
What does a good test pyramid look like for a web application, and where do teams usually go wrong?
- 10
How would you test a payment flow where you cannot use real cards in production?
- 11
Tell me about a bug that reached production on your watch. What did you change afterwards?
- 12
A developer says a bug you reported is not a bug. How do you handle the discussion?
- 13
How do you decide whether a release is ready to ship when open bugs remain?
- 14
What makes a test data strategy sustainable? How do you deal with data that changes between runs?
- 15
Describe how you would test a feature that depends on a third-party service you do not control.
- 16
How do you prioritise bugs by severity and by priority, and why are they not the same thing?
- 17
Which automation framework did you choose last, and what did you compare it against?
- 18
How do you test for accessibility without being an accessibility specialist?
- 19
What would you check in a mobile app that you would not check in a web application?
- 20
How do you work with developers so that quality is built in rather than inspected at the end?
- 21
Describe how you would design a smoke test that runs after every deployment.
- 22
How do you measure whether your testing is effective, and which metrics do you distrust?
- 23
Tell me about a time you had to test something you did not fully understand. How did you learn it?
- 24
How would you introduce basic performance testing on a team that has never done it?
- 25
What do you do when requirements are ambiguous or contradict each other?
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