Google Senior Software Developer interview questions
based on 358 ratings - Updated Jun 12, 2026
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Candidates applying for Senior Software Developer roles take an average of 30 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Google overall takes an average of 39 days.
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I applied online. The process took 2 weeks. I interviewed at Google in Aug 2021
Interview
I applied online and then emailed back and forth with a recruiter where I needed to fill out a form about my specific experiences. Then I got to the next round where I had a 1:1 coding challenge.
Interview questions [2]
Question 1
Given a binary tree of integer values, implement a function to check if the tree is a symmetric tree.
Given a 2-d matrix consisting of 0's and 1's, implement a function to return the sum of perimeters of all the subfigures that contain only 1's in the matrix.
I applied through a recruiter. The process took 3 days. I interviewed at Google
Interview
The interview was done via Google Hangouts, which usually has a quite poor call quality. It was not a surprise that the call quality during the interview was very bad. That was the main obstacle and made the interview unmanageable.
Interview questions [1]
Question 1
What are the advantages and disadvantages of the merge sort algorithm?
I applied online. I interviewed at Google (Hyderabad) in Nov 2019
Interview
Was difficult, mostly focusing on data structures and algorithms. First round was telephonic followed by online programming interview Was difficult, mostly focusing on data structures and algorithms. First round was telephonic followed by online programming interview