Microsoft Senior Software Developer Engineer interview questions
based on 309 ratings - Updated Jun 16, 2026
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Senior Software Developer Engineer applicants have rated the interview process at Microsoft with 3.3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 67% positive. To compare, the company-average is 61.4% positive. This is according to Glassdoor user ratings.
Candidates applying for Senior Software Developer Engineer roles take an average of 56 days to get hired, when considering 3 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 Senior Software Developer Engineer according to 3 Glassdoor interviews include:
One on one interview: 50%
Phone interview: 50%
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The interview process is very smooth , applied online and got a call from recruiter in 2 days . 1 phone screen and one OTS test and then onsite .
OTS has 3 easy and medium level leet code questions , where we also had to comment and provide analysis of the code .
1) square root without inbuilt function
2) merge two unsorted linked list to sorted array
3) find the bug in the code snipped
Interview questions [1]
Question 1
Onsite
1) replace blank spaces in a string with % with no extra space
2) rotate 2 D array by next 2 positions .
3) find if graph is acyclic
4) find Kth position between two given nodes
For eg 1->2->3->4->5
Node 2 and 4 are inputs , and K is 4 return -1 as only one element lies in between 3 .
I applied online. The process took 4 weeks. I interviewed at Microsoft (Dublín, Dublín) in Dec 2018
Interview
C#, SharePoint, .net , code, algorithm, design patterns, example , unit test , power shell , object oriented programming, interface and inheritance, functions , que , data structure. These are the concepts discussed during the interview and interviewers were really helpful while communicating.
I applied online. The process took 2 weeks. I interviewed at Microsoft in Jan 2018
Interview
5 interviews, 2 technical. General questions about software development principles. Then a coding assignment. It is a good test as it will prepare you a lot for the job with them. There is many employees all trying to work to their best so I am happy to finally have this job