Mock interview practice

QA / Test Engineer interview questions & mock practice

Practise QA / Test Engineer questions freeCreate my free profile

What interview questions are asked for a QA / Test Engineer?

A QA / Test Engineer interview in 2026 runs across 4 rounds — testing fundamentals, automation round, sql & api testing, scenario / behavioural. Below are the most-asked QA / Test Engineer interview questions and a focused prep plan. Rehearse every answer out loud with the free timed practice below before the real one.

  • Manual Testing
  • Selenium
  • Test Automation
  • API Testing
  • SQL
  • TestNG
  • JIRA

Free interview practice · QA / Test Engineer

Practise your QA / Test Engineer interview now — free

Step through the 12 most-asked QA / Test Engineer questions one at a time, under a timer, just like the real thing. Jot your answer, then reveal what a strong answer covers. No signup needed to practise.

Interview rounds

The QA / Test Engineer interview process

Manual and automation testing, Selenium, test design and SDLC — the QA interview for product companies, services firms and test-automation teams.

1. Testing fundamentals

Test types, SDLC/STLC, test-case design and bug lifecycle.

2. Automation round

Selenium/Cypress, frameworks and writing test scripts.

3. SQL & API testing

Database validation and testing REST APIs with Postman.

4. Scenario / behavioural

How you'd test a feature and work with developers.

Most-asked questions

Most-asked QA / Test Engineer interview questions

12 of the questions QA / Test Engineer candidates are asked most often in India. Practise answering each one out loud in the timed practice above.

  1. 1. What is the difference between verification and validation?
  2. 2. Explain the difference between SDLC and STLC.
  3. 3. What is the difference between smoke, sanity and regression testing?
  4. 4. Walk me through the bug life cycle from discovery to closure.
  5. 5. What is the difference between severity and priority? Give an example of high severity / low priority.
  6. 6. How would you write test cases for a login page?
  7. 7. What is the difference between functional and non-functional testing?
  8. 8. Explain the difference between black-box and white-box testing.
  9. 9. What is the Page Object Model in Selenium and why use it?
  10. 10. How do you handle dynamic elements and waits in Selenium?
  11. 11. How would you test a REST API, and what do you check?
  12. 12. What is the difference between test plan and test strategy?
How to prepare

How to prepare for your QA / Test Engineer interview

Have testing fundamentals airtight: STLC, test-case design techniques (boundary value, equivalence partitioning) and the bug life cycle.

Know the severity-vs-priority distinction with concrete examples — it's asked in almost every QA interview.

Be hands-on with Selenium/Cypress: locators, waits, the Page Object Model and a basic TestNG/JUnit framework.

Practice writing thorough test cases (positive, negative, edge) for a given feature out loud.

Brush up on SQL for backend validation and API testing with Postman — manual-only QA roles are shrinking.

Practise other roles

Interview prep guides

QA / Test Engineer interview — FAQs

What questions are asked in a QA / Test Engineer interview?

Common QA / Test Engineer interview questions include: What is the difference between verification and validation? Explain the difference between SDLC and STLC. What is the difference between smoke, sanity and regression testing? Walk me through the bug life cycle from discovery to closure. Interviews usually run across 4 rounds — Testing fundamentals, Automation round, SQL & API testing, Scenario / behavioural. Practise them with the free timed practice on this page.

How many rounds are in a QA / Test Engineer interview?

A typical QA / Test Engineer interview has 4 rounds: Testing fundamentals (Test types, SDLC/STLC, test-case design and bug lifecycle.); Automation round (Selenium/Cypress, frameworks and writing test scripts.); SQL & API testing (Database validation and testing REST APIs with Postman.); Scenario / behavioural (How you'd test a feature and work with developers.).

How do I prepare for a QA / Test Engineer interview?

To prepare for a QA / Test Engineer interview: Have testing fundamentals airtight: STLC, test-case design techniques (boundary value, equivalence partitioning) and the bug life cycle. Know the severity-vs-priority distinction with concrete examples — it's asked in almost every QA interview. Be hands-on with Selenium/Cypress: locators, waits, the Page Object Model and a basic TestNG/JUnit framework. Then rehearse every question out loud with the timed practice on this page before the real thing.

What skills do I need for a QA / Test Engineer role?

Core QA / Test Engineer skills tested in interviews include Manual Testing, Selenium, Test Automation, API Testing, SQL, TestNG, JIRA. OnJob shows you exactly which of these skills stand between you and a 100% match on every live QA / Test Engineer job.

Is the QA / Test Engineer mock interview practice free?

Yes. The questions, the answer guidance and the timed practice on this page are free and need no signup. With a free OnJob account you can also take timed role tests and free certification tests. Personalised AI role and skill tests are part of the paid plans.

Free practice, no signup to start

Ace your QA / Test Engineer interview

Rehearse every QA / Test Engineer question out loud on this page, then sign in to take a timed role test or a free certification in the OnJob practice hub.

Open the practice hubSee certifications