QA and Test Automation Interview Questions

50 questions in this collection

10 free samples · 40 member questions

QA Analyst QA Automation Engineer QA Engineer SDET

Prepare for Quality Assurance (QA) and Test Automation interviews with 50 practical questions and complete answers for QA Analyst, QA Engineer, QA Automation Engineer and Software Development Engineer in Test (SDET) roles. Practice test design, investigation, API/SQL/CSV checks, frameworks, CI, accessibility, security boundaries and release decisions. Includes worked artifacts, scoring criteria, accepted alternatives, answered follow-ups and 10 free samples across difficulty levels.

Start with a free sample

Read the example aloud, then adapt it to your own experience. Use details you can explain in a follow-up.

How would QA contribute to a team that says everyone owns quality?
Design boundary and equivalence tests for a quantity field.
Write a reproducible defect report from the supplied evidence.
How would you test the cart API response?
What should the customer payment summary show for this staging data?

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1. How would QA contribute to a team that says everyone owns quality?

easy
2. Which test levels would you use for these checkout failures?

easy
3. Design boundary and equivalence tests for a quantity field.

easy
4. Write a reproducible defect report from the supplied evidence.

easy
5. What would you test before closing this cart-total defect?

easy
6. How would you test the cart API response?

easy
7. How would you prepare realistic test data without copying customer secrets?

easy
8. What test would distinguish this surviving shipping mutant?

easy
9. Explain your readiness for an automation role without overstating experience.

easy
10. Prioritize a four-hour test window for an order release.

medium
11. Build a decision table for a coupon and shipping policy.

medium
12. Test the allowed and prohibited transitions of an approval workflow.

medium
13. Separate defect severity from fix priority in a release meeting.

medium
14. Create a focused exploratory-testing charter for a CSV import.

medium
15. Turn “search must be fast and relevant” into testable acceptance criteria.

medium
16. Test keyboard access and error recovery in a contact form.

medium
17. Test reminder scheduling across dates and clock changes.

medium
18. Choose browser and device coverage within a ninety-minute test window.

medium
19. Plan a scoped security check for a password-reset change.

medium
20. How would you test a report that becomes available asynchronously?

medium
21. What should the customer payment summary show for this staging data?

medium
22. Which regression check would you automate with an 18-hour implementation budget?

medium
23. How would you repair this profile UI test?

medium
24. Why does the export test sometimes miss its network response?

medium
25. How would you make project tests safe to run in parallel?

medium
26. What does a passing mocked price test prove about the provider?

medium
27. How would you investigate these CI-only failures?

medium
28. What abstraction would you introduce for these checkout tests?

medium
29. Would you approve these AI-generated redemption tests?

medium
30. Make a release recommendation from a completed evidence packet.

medium
31. Evaluate a performance test with mixed request outcomes.

medium
32. Assess whether a recovery drill meets its objectives.

medium
33. Fit a CI test plan into worker and runtime limits.

medium
34. Report release-test status without hiding blocked work or retries.

medium
35. Describe an escaped defect that changed how you tested.

medium
36. Describe a disagreement about release quality that you helped resolve.

medium
37. Describe how you improved testability without formal authority.

medium
38. Estimate a test effort and explain its scheduling assumptions.

medium
39. Write a CSV comparison helper that catches more than row-count differences.

medium
40. Audit a constrained pairwise test suite.

hard
41. Design a tenant-and-role authorization test matrix.

hard
42. How would you test concurrent requests with an idempotency key?

hard
43. How would you test pagination while records are changing?

hard
44. Which properties would you test for a basket discount calculation?

hard
45. How would you release this API change without breaking supported consumers?

hard
46. Write a test strategy for a small, consequential release.

hard
47. Design a maintainable API and browser automation framework.

hard
48. Design negative API tests for validation, throttling and retry limits.

hard
49. Interpret suite reliability when retries and quarantine change the report.

hard
50. Write a release memo from test results, a defect report and a log.

hard

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