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Microsoft Software Development Engineer In Test (SDET) Interview Questions & Reviews

Updated Apr 10, 2014
All Interviews Received Offers

Getting the Interview 

41%
30%
16%

Interview Experience 

63%
28%
8%

Interview Difficulty 

440 candidate interviews Back to all interview questions
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Accepted Offer

Positive Experience

Average Interview

Software Development Engineer In Test (SDET) Interview

Anonymous Employee
Redmond, WA

I applied through college or university and the process took 3 months - interviewed at Microsoft in January 2014.

Interview Details – On-campus interview, then called onto Redmond campus for a full day of interviews.

Interview Question – Similar to questions on glassdoor, careercup and cracking the coding interview. How to test a vending machine.   Answer Question

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Neutral Experience

Software Development Engineer In Test (SDET) Interview

Anonymous Interview Candidate

Interviewed at Microsoft

Interview Details – online resume submission, telephonic, on-site

Interview Question – Most question were moderate to difficult.   Answer Question

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Software Development Engineer In Test (SDET) Interview

Anonymous Interview Candidate
Seattle, WA

I applied through college or university and the process took 2 months - interviewed at Microsoft in January 2010.

Interview Details – I dropped my resume at campus fair and went to Seattle for a group interview.

There 4 rounds of interview. 2 of them are coding and the other 2 rounds are testing.

Interview Question – how to test onenotes   Answer Question

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Software Development Engineer In Test (SDET) Interview

Software Development Engineer In Test (SDET)
Redmond, WA

I applied through college or university and the process took a day - interviewed at Microsoft in September 2013.

Interview Details – Standard interview

Interview Question – Look up career cup   Answer Question

Negotiation Details – I didnt do any

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Difficult Interview

Software Development Engineer In Test (SDET) Interview

Software Development Engineer In Test (SDET)
Redmond, WA

I applied through college or university and the process took 6 months - interviewed at Microsoft.

Interview Details – Hiring process took about 5 months. First interview was on campus at my university and covered behavioral and one technical question. Second interview was 2 hours on campus with 2 seperate interveiwers both covering technical questions. Flew me to Redmond, WA for final interview with 4 different interviewers. Offer given 2 hours later.

Interview Question – Implement a Find-Replace function given a string of text, search string, and replace string. Also a seemingly simple question became very difficult and complex when looked at through the eyes of a tester. A question involved writting a function to classify a triangle given its side lengths.   View Answer

Negotiation Details – Given one week to accept offer deadline. Terms were very favorable and I accepted on the spot.

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Software Development Engineer In Test (SDET) Interview

Software Development Engineer In Test (SDET)
Redmond, WA

I applied online and the process took 3 months - interviewed at Microsoft in February 2014.

Interview Details – Microsoft recruiter came to UW for on campus interview, I got an email telling me that I get through the first interview and would be scheduled the final interview.

Later on I got another email asking me whether I would like to switch to interview SDET position, I prefer to wait for SDE, thus I wait for another 1.5 month for the final interview.

Interview Question – Please implement a memory allocate function   Answer Question

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Average Interview

Software Development Engineer In Test (SDET) Interview

Software Development Engineer In Test (SDET)

I applied through an employee referral - interviewed at Microsoft in February 2012.

Interview Details – I was contacted by the recruiter and she asked me very basic technical question regarding classes and objects. I was flown to Dubai where I had 4 interviews 45 minutes long. The experience was incredible and they made us feel comfortable. I had a very positive experience.

Interview Questions

  • Write a function that would count the number of words in a sentence.   Answer Question
  • Convert a (binary) tree to a flat list.   Answer Question
  • Skype is having complains by its customers. People are complaining that they do not see the list of all their friends. How would you solve this problem?   Answer Question
  • Write a program that would arrange birth dates in an ascending order.   Answer Question

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No Offer

Positive Experience

Easy Interview

Software Development Engineer In Test (SDET) Interview

Software Development Engineer In Test (SDET)
Seattle, WA

I applied through college or university and the process took 2 months - interviewed at Microsoft.

Interview Details – 1 on campus
4 on-site
they will reimburse our travel expenses
timing is also very important
apply early

Interview Question – final round onsite interview was probably the group manager which you will be seleted on, so don't fail it   Answer Question

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No Offer

Positive Experience

Easy Interview

Software Development Engineer In Test (SDET) Interview

Software Development Engineer In Test (SDET)
Tempe, AZ

I applied through college or university and the process took 2 weeks - interviewed at Microsoft in September 2013.

Interview Details – First round was on campus, 1:1 interview. Questions from my resume and then one coding question. How will you merge two sorted arrays in sorted order? Second array has enough space to hold both arrays. Interviewer was helpful and provided hints whenever possible. Was also asked to write good test cases after coding the solution.

Interview Question – merge two sorted arrays in sorted order?   View Answer

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Accepted Offer

Positive Experience

Average Interview

Software Development Engineer In Test (SDET) Interview

Software Development Engineer In Test (SDET)
Seattle, WA

I interviewed at Microsoft in March 2010.

Interview Details – The interview process was very standard. There were four interviewers, all managers, for an hour each. The questions asked were all standard algorithm questions. Fifteen minutes after the last interview, I received an offer. The recruiter than handled the rest.

Interview Question – Find two numbers that sum to zero in a list.   View Answer

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