Engineering · 2026 Guide
QA Engineer Interview Questions
QA / SDET interviews cover test strategy, automation frameworks, API and performance testing, and CI/CD integration. Modern QA roles increasingly require coding skills equivalent to mid-level SWEs.
Core Interview Topics
QA Engineer interviews at top tech companies typically assess these competency areas:
Top 10 QA Engineer Interview Questions
These questions are drawn from real interview loops at FAANG and top-tier tech companies in 2025–2026. Click Practice now to run a full AI mock session for any question.
- 1
Write a test plan for a new checkout flow.
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Compare Selenium, Cypress, Playwright — when do you choose each?
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How do you test for race conditions in a multi-threaded service?
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Build a flaky-test triage process for a team of 30 engineers.
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How do you test an LLM-powered feature?
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Walk through your approach to load testing a new API.
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How do you decide what to automate vs test manually?
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What is your bug report template — and why?
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How do you ensure accessibility in your test suite?
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Tell me about a critical bug you caught that would have shipped without you.
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How to Prepare
- ✓Know one modern automation framework deeply (Playwright is hot in 2026).
- ✓Be opinionated about the testing pyramid (or trophy).
- ✓Have one performance-testing story (k6, JMeter, Locust).
- ✓Practice writing crisp bug reports with steps, expected, actual, and severity.
ATS Resume Keywords
Include these high-signal keywords in your QA Engineer resume to pass ATS filters at top companies.
Resume must-haves for QA Engineer:
- Coverage % improvements
- Bug-escape rate reduction
- Pipeline time savings
- Frameworks owned / built