QA and SDET interview preparation, round by round
QA and SDET interviews often open with manual-testing theory such as STLC and the bug life cycle. Then they move to Selenium or Playwright, API testing and a coding round, usually in Java.
12 resources · 9 free · plus 23 for every role · Links checked 15 October 2026 · How we pick
Change role
- Software engineer 54 resources
- Backend developer 45 resources
- Frontend developer 37 resources
- Full stack developer 43 resources
- Mobile developer 19 resources
- DevOps and SRE 24 resources
- Data engineer 23 resources
- Data analyst 21 resources
- Data scientist 24 resources
- ML engineer 31 resources
- AI engineer 27 resources
- QA and SDET 12 resources
Start here
Three resources, in this order. Everything below is for going deeper on one round.
- GeeksforGeeks: Software Testing Interview Questions
Website · Free
QA rounds often start with testing theory. Answer these questions out loud before you move on to tools.
- Naveen AutomationLabs (YouTube)
YouTube channel · Free
One channel for the next two rounds: framework questions on Selenium or Playwright, and Java coding for testers.
- Restful-Booker
Practice site · Free
Practise for the API-testing round on a live API with planted bugs. Write a few tests you can talk through.
Nothing matches these filters. Use Show all to see every resource again.
Testing theory, Selenium, Playwright and API testing 8 resources
Questions on your stack: languages, frameworks, cloud, testing and data tools
GeeksforGeeks: Software Testing Interview Questions
Website · geeksforgeeks.org
Fifty-one manual-testing questions in fresher, intermediate and experienced sections, covering SDLC and STLC, test levels, the bug life cycle and test design.
Best for freshers revising the manual-testing theory Indian QA interviews still ask heavily
Restful-Booker
Practice site · restful-booker.herokuapp.com
A free public booking API with token auth and deliberately planted bugs for practising API testing, reset to its seed data every 10 minutes.
Best for hands-on API-testing practice with Postman, REST Assured or Playwright
Also in Practice and communities
Playwright documentation
Official guide · playwright.dev
Microsoft's official Playwright docs on locators, auto-waiting, fixtures, API testing, tracing, parallel runs and CI setup.
Best for automation engineers expecting Playwright questions on waits, locators and test isolation
Selenium documentation
Official guide · selenium.dev
The Selenium project's official WebDriver guide to browser drivers, locators, waits, actions and Grid, plus recommended practices such as page objects.
Best for the Selenium questions on waits, locators, page objects and Grid that still dominate Indian QA interviews
The Practical Test Pyramid
Blog · martinfowler.com
Ham Vocke's long-form guide to splitting tests across unit, integration, contract and end-to-end layers, with worked code and the trade-offs of each layer.
Best for 'how would you design a test strategy?' in SDET and backend interviews
Test Automation University
Course · testautomationu.applitools.com
Free on-demand video courses from practitioners on Selenium, Playwright, Cypress, Appium, API testing, CI and test design, with quizzes and certificates.
Best for SDETs filling gaps in a framework or language before an automation interview
Ministry of Testing
Community · ministryoftesting.com
A global software-testing community with articles, a glossary, on-demand courses, meetups, a Slack and the TestBash conferences, with many courses on a Pro plan.
Best for testers who want community answers, testing vocabulary and real-world practice discussions
Also in Practice and communities
Practice and communities 3 resources
Timed problems, live practice with peers, and interview stories from other candidates
HackerRank Interview Preparation Kit
Practice site · hackerrank.com
A short set of hand-picked problems on HackerRank's own editor, grouped by topic, to warm up for interviews held on that platform.
Best for getting used to HackerRank's editor and input format before a coding round hosted there
GeeksforGeeks
Practice site · geeksforgeeks.org
An Indian learning site with about 2,500 practice problems filterable by topic and company, a daily Problem of the Day, and articles on almost every DSA and CS topic.
Best for looking up any DSA or CS concept quickly, and Indian service and product company prep
LeetCode
Practice site · leetcode.com
The default site for interview-style coding practice: thousands of problems, free study plans such as Top Interview 150 and SQL 50, and weekly contests.
Best for daily practice and timed contests (Premium mainly adds company-tagged lists)
Also in SQL
SQL 1 resource
Writing queries with joins, grouping and window functions on realistic tables
SQLBolt
Website · sqlbolt.com
Bite-sized interactive SQL lessons with in-browser exercises, from SELECT and filtering through joins, aggregates and changing tables.
Best for complete beginners who need SQL basics before interview problem sets
Same for every role
Behavioral rounds, resumes, pay and company guides do not change with the job. These 23 live on the interview resources hub.
Behavioral and HR
- GeeksforGeeks - HR interview questions
- Microsoft Careers - Interview tips
- MIT CAPD - The STAR method for behavioral interviews
- Tech Interview Handbook - Behavioral interviews
- reverse-interview
- Amazon Leadership Principles
- Google Careers - Interview tips
- Jeff H Sipe - Practice Interviews (YouTube)
- A Life Engineered (Steve Huynh, YouTube)
Practice and communities
Resume, companies and offers
- Tech Interview Handbook - Software engineer resume guide
- Reactive Resume
- Jake's Resume (LaTeX template on Overleaf)
- Hiring Without Whiteboards
- r/developersIndia Community Wiki
- AmbitionBox
- Anthropic - Candidate AI guidance
- Haseeb Qureshi - Ten rules for negotiating a job offer
- Thoughtworks India - AI policy for recruitment
- Levels.fyi - Software engineer pay in India
- r/EngineeringResumes wiki
From the team that keeps this list
Helpwing is a desktop app for interviews where AI help is allowed: it hears the question and drafts an answer from your resume. It is not for online assessments or tests.