15 questions · 30-question bankMedium difficulty6 rounds★ 3.78/5

Microsoft Qa Automation Engineer Sdet Interview Questions (2026)

The 15 Qa Automation Engineer Sdet interview questions most worth practising for Microsoft, selected from a bank of 30, 30 of them tailored to Microsoft's interview flavor. Below: the interview process, the questions with answer outlines, the topics tested, and how to prepare.

Team-based hiring where the loop runs inside the hiring org, typically 4-5 rounds in a single virtual/onsite day, ending with an 'As Appropriate (AsApp)' round with a senior manager who has effective veto; friendlier pacing than Google/Meta with more emphasis on practical problem solving.

Questions

from a 30-question bank

Difficulty

Medium

from our question mix

Rounds

typical loop

Microsoft rating

3.78/5

Top 99% in Software Product

Microsoft's interview process

1Recruiter screen30 minEasy
Role alignment, team options, and logistics with a recruiter.
2Online assessment (Codility)60 minMedium
Timed coding problems used mainly for early-career and campus screening in India.
3Coding interview 145 minMedium
DSA problem with production-quality code, testing, and edge cases in a shared editor.
4Coding interview 245 minHard
Harder algorithmic problem plus discussion of a past project's technical decisions.
5System design round60 minHard
Design a practical service (e.g. Teams presence, OneDrive sync) with API contracts and Azure-flavored components.
6As Appropriate (AsApp) round45 minMedium
Senior manager assesses growth mindset, long-term potential, and overall fit; effectively the closing behavioral gate.

Qa Automation Engineer Sdet interview questions for the Microsoft loop

Q1
How would you integrate automated tests for Microsoft's notification preference center into CI/CD without slowing every pull request?
MediumDebugging and test strategyCI/CD test executionMicrosoft-specific
Context:
Microsoft notification preference center
How to answer:
Use suite tiers, parallelism, ownership, quarantines, and release-blocking criteria. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q2
Which SQL checks would you write to validate data created by Microsoft's search and filtering experience?
MediumAPI/UI automationSQL for testingMicrosoft-specific
Context:
Microsoft search and filtering experience
How to answer:
Check records, joins, statuses, timestamps, aggregates, and reconciliation with UI/API results. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q3
How should a QA automation engineer handle a defect from discovery through closure for Microsoft's login and account recovery flow?
MediumDebugging and test strategydefect lifecycleMicrosoft-specific
Context:
Microsoft login and account recovery flow
How to answer:
Cover triage, reproduction, ownership, retest, regression coverage, and communication. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q4
A test for Microsoft's search and filtering experience fails only in CI. How would you investigate and fix it?
HardDebugging and test strategyflaky test debuggingMicrosoft-specific
Context:
Microsoft search and filtering experience
How to answer:
Compare local versus CI state, browser versions, timing, data, parallelism, and logs. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q5
Tell me about a QA automation project similar to Microsoft's notification preference center. What did you build, what failed, and what improved?
EasyBehavioral/project discussionproject deep diveMicrosoft-specific
Context:
Microsoft notification preference center
How to answer:
Use a concrete project, your ownership, technical tradeoffs, metrics, and lessons. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q6
What smoke and sanity checks would you run before opening Microsoft's order tracking workflow to wider testing?
MediumTesting fundamentalssmoke/sanity testingMicrosoft-specific
Context:
Microsoft order tracking workflow
How to answer:
Explain fast confidence checks and clear failure escalation. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q7
How would you test a REST API endpoint for Microsoft's admin approval workflow with authentication, pagination, and error responses?
MediumAPI/UI automationAPI testingMicrosoft-specific
Context:
Microsoft admin approval workflow
How to answer:
Cover contract checks, status codes, auth failures, paging boundaries, and schema validation. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q8
When would you choose Cypress over Playwright or Selenium for Microsoft's search and filtering experience, and what tradeoffs would you call out?
MediumAutomation codingCypressMicrosoft-specific
Context:
Microsoft search and filtering experience
How to answer:
Compare browser coverage, debugging, network control, speed, and CI behavior. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q9
Explain Page Object Model for Microsoft's subscription billing workflow. When does it help, and when does it become a bad abstraction?
MediumAutomation codingPage Object ModelMicrosoft-specific
Context:
Microsoft subscription billing workflow
How to answer:
Keep page APIs user-intent oriented and avoid hiding assertions or business rules. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q10
How would you debug a flaky Playwright test in Microsoft's checkout journey?
MediumAutomation codingPlaywrightMicrosoft-specific
Context:
Microsoft checkout journey
How to answer:
Discuss locators, waits, traces, retries, isolation, network timing, and deterministic assertions. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q11
How would you use Postman/Newman in CI for Microsoft's order tracking workflow without making the suite hard to maintain?
MediumAPI/UI automationPostman/NewmanMicrosoft-specific
Context:
Microsoft order tracking workflow
How to answer:
Use environments, data files, assertions, secret handling, and useful reports. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q12
Design REST API tests for create, update, and delete operations in Microsoft's notification preference center
MediumAPI/UI automationREST testingMicrosoft-specific
Context:
Microsoft notification preference center
How to answer:
Check idempotency, validation, permissions, response shape, and audit events. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q13
How would you handle dynamic elements in Selenium or Playwright for Microsoft's login and account recovery flow?
MediumAutomation codingSeleniumMicrosoft-specific
Context:
Microsoft login and account recovery flow
How to answer:
Prefer stable locators, explicit waits, app test IDs, and avoiding brittle sleeps. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q14
What accessibility checks would you include for Microsoft's admin approval workflow?
MediumDebugging and test strategyaccessibility testing basicsMicrosoft-specific
Context:
Microsoft admin approval workflow
How to answer:
Cover keyboard navigation, labels, focus order, contrast, screen-reader basics, and automated plus manual checks. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.
Q15
Write the structure of a high-quality bug report for a failure in Microsoft's checkout journey
MediumDebugging and test strategybug reportingMicrosoft-specific
Context:
Microsoft checkout journey
How to answer:
Include environment, steps, expected versus actual, evidence, severity, and business impact. State the test objective, risk, and the user or system behavior being protected. Describe automation scope, data setup, assertions, observability, and CI ownership. Call out tradeoffs, failure modes, and how you would keep the suite maintainable.

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Topics tested most

API testing1

CI/CD test execution1

Cypress1

Page Object Model1

Playwright1

Postman/Newman1

REST testing1

SQL for testing1

How to prepare for the Microsoft Qa Automation Engineer Sdet interview

Practice coding with clear communication; show a growth mindset; know your past projects deeply

All role guides →Microsoft company profile →

Frequently asked questions

How hard is the Microsoft Qa Automation Engineer Sdet interview?

Based on our 30-question Qa Automation Engineer Sdet bank for the Microsoft loop, the overall difficulty is medium (Microsoft's process is generally rated elevated). Expect around 6 rounds spanning API testing, CI/CD test execution, Cypress.

How many interview rounds does Microsoft have for a Qa Automation Engineer Sdet?

Microsoft typically runs about 6 rounds for Qa Automation Engineer Sdet candidates: Recruiter screen → Online assessment (Codility) → Coding interview 1 → Coding interview 2 → System design round.

What is the interview process at Microsoft?

The Microsoft interview process typically runs: Recruiter screen -> technical screen -> 4 'loop' rounds (coding, design, behavioral) -> as-appropriate (AA) debrief. Prepare for each round in order rather than only the first — the later stages usually carry the most weight.

How hard is the Microsoft interview?

Microsoft interviews are rated high difficulty. The bar is highest on coding — go deep there and practise explaining your reasoning out loud.

What does Microsoft look for in candidates?

Microsoft focuses on Coding, problem-solving, collaboration, growth mindset. Culturally, it values Growth mindset, customer obsession, inclusive collaboration. Line up your examples to hit both the technical bar and these values.

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Compiled by PrepNPlaced from 30+ interview reports and question banks for the Microsoft Qa Automation Engineer Sdet loop, cross-referenced with 2,179 employee reviews. Data refreshed 2026-08-13. Updated 2026.