Microsoft Software Engineer (internship) interview questions
based on 770 ratings - Updated Jun 23, 2026
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Candidates applying for Software Engineer (internship) roles take an average of 14 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Microsoft overall takes an average of 31 days.
Common stages of the interview process at Microsoft as a Software Engineer (internship) according to 1 Glassdoor interviews include:
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I went through the first phase only it was a phone interview. It consisted of basic questions. Such a what programing languages you've learned, who you are, and a little but of a knowledge question.
Interview questions [1]
Question 1
Explain recursion, as you were explaining to a 5 year old.
I applied through college or university. The process took 2 weeks. I interviewed at Microsoft (Irvine, CA) in Oct 2018
Interview
On campus, 30 min long. First 5 min ask about resume. Next 20 min build a bst from a preorderly arranged integer array, write the code on a white board. When finished, interviewer took a photo of the white board. Last 5 min Q&A.
Interview questions [1]
Question 1
build a bst from a preorder arranged integer array
I applied through college or university. The process took 1 week. I interviewed at Microsoft
Interview
It took 30 minutes and the recruiter asked me to explain 1 project in my resume, and asked a question involving removing duplicates from an array. After I gave my answer he asked how to make it more efficient and the Big O notation for it.