Meta Senior Software Developer interview questions
based on 271 ratings - Updated Jun 14, 2026
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2%
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Senior Software Developer applicants have rated the interview process at Meta with 3.5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 50% positive. To compare, the company-average is 59% positive. This is according to Glassdoor user ratings.
Candidates applying for Senior Software Developer roles take an average of 28 days to get hired, when considering 2 user submitted interviews for this role. To compare, the hiring process at Meta overall takes an average of 32 days.
Common stages of the interview process at Meta as a Senior Software Developer according to 2 Glassdoor interviews include:
Skills test: 40%
Phone interview: 20%
Personality test: 20%
One on one interview: 20%
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First round was a phone screen. Then I was brought onsite for a set of 5 interviews. 2 of the interviews were coding interviews, 2 of the interviews were architecture interviews and 1 was a behavioral “can you work together on a team” interview.
Interview questions [2]
Question 1
Design a caching system that can store values from size 1 byte to 100 megabytes.
Tell me how a VR/AR headset works. What’s it’s refresh rate? This was an estimation and general knowledge problem, they did not necessarily expect specific knowledge about headsets worked.
Initial phone screen with hr for about thirty minutes. Coding session with one of the senior engineers for about thirty minutes. I described the algorithm in a correct way however failed on edge conditions on implentation .