QA Engineer Interview Questions

Published July 22, 2026 · Updated July 22, 2026

5 verified QA Engineer interview questions from Stripe, Wipro, Deloitte, Grab. Covers all experience levels.

5 questions
4 companies
89 upvotes

Interview Signals for QA Engineer Roles

Companies Asking
Wipro2q
Stripe1q
Deloitte1q
Grab1q
Most Asked Topics
api-testing4x
testing1x
By Experience
1-4 years2q
2-5 years1q
1-3 years1q
2-6 years1q

Top Questions by Upvotes

Stripe Medium Technical round 2-5 yearsPostmanSystem Design

How would you test a payments API endpoint for race conditions where two simultaneous requests might both succeed at deducting from the same account balance?

↑ 24 upvotes · 11 engineers asked this · QA Engineer
Wipro Easy Technical round 1-3 yearsPostman

In Postman, how would you chain two requests so the second one uses an ID returned by the first, without hardcoding it?

↑ 18 upvotes · 11 engineers asked this · QA Engineer
Wipro Medium Technical round 1-4 yearsREST

What's the difference between testing a REST API's status code and testing its response schema? Why do you need both?

↑ 16 upvotes · 9 engineers asked this · QA Engineer
Deloitte Medium Technical round 2-6 years

A client wants 100% test automation coverage before their next release. Is this a reasonable goal? How would you push back or reframe it?

↑ 16 upvotes · 8 engineers asked this · QA Engineer
Grab Medium Technical round 1-4 yearsPostman

How would you test that a "cancel ride" API endpoint correctly refunds a rider only when the cancellation happens within the free-cancellation window, and charges a fee otherwise?

↑ 15 upvotes · 7 engineers asked this · QA Engineer

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Frequently asked questions

What do QA Engineer interviews cover?
Common topics: api-testing, testing.
Which companies hire QA Engineers?
Companies with reported questions: Wipro, Stripe, Deloitte, Grab.