QA / SDET Interview Prep

QA / SDET interview questions

Cover fundamentals, automation, API testing, performance and microservices QA.

Question sets

Testing fundamentals

What is the difference between verification and validation?
Explain different levels of testing (unit, integration, system, UAT).
How do you decide what to test manually vs automate?
What is a test strategy and what does it typically contain?
How do you prioritise test cases when time is limited?

Automation & API

Describe the framework architecture you prefer for UI automation.
How do you design test data management for automated suites?
What checks do you perform while testing REST APIs?
How do you integrate automation into a CI/CD pipeline?
How do you handle flaky tests and keep the suite reliable?

Microservices & non‑functional

How does testing change when moving from monolith to microservices?
What kind of contract testing approaches do you know?
How do you plan and execute performance testing for APIs?
Which quality metrics do you track for a release?
Describe an incident where you found a production issue and how you handled it.

Sample question paper

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