Microsoft Sr. Software Engineer interview questions
based on 308 ratings - Updated Jun 12, 2026
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I applied online. I interviewed at Microsoft (Tel Aviv) in Nov 2020
Interview
I had about 4 interviews with 4 different persons.
- Screener Interview (60 min)
- OOP Programming Interview (60 min)
- Behavioural Interview with Team Manager (60 min)
- Design Interview with Principle Engineer (60 min)
Interview questions [1]
Question 1
1. Implement Malloc and Free over preallocated buffer and fixed-size chunks with O(1) complexity.
2. Implement a ThreadPool
3. Describe a project that you took significant part of, and show its design.
4. Design a scalable files server such as SharePoint.
I applied online. I interviewed at Microsoft (Lagos) in Nov 2020
Interview
Online Assessment as a prequalification for onsite interview. The recuriter sent a codility link to me which has 3 questions for 2.5 hours. Questions in Long distance problem, sum of sub-array
Normal interview with a few technical questions. Nothing out the ordinary, if you've done these before you will be fine. Some of them were quite hard and I couldn't answer all of them.