Meta Machine Learning Engineer interview questions
based on 159 ratings - Updated May 31, 2026
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Machine Learning Engineer applicants have rated the interview process at Meta with 4 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 44% positive. This is according to Glassdoor user ratings.
Candidates applying for Machine Learning Engineer roles take an average of 21 days to get hired, when considering 1 user submitted interviews for this role. To compare, the hiring process at Meta overall takes an average of 36 days.
Common stages of the interview process at Meta as a Machine Learning Engineer according to 1 Glassdoor interviews include:
Phone interview: 50%
Skills test: 50%
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I applied through a recruiter. I interviewed at Meta (San Francisco, CA)
Interview
First recruiter round, technical interview after 2 months. If you clear that you will have 4 more rounds, 3 technical + system design, and one behavioural. The interview process begins with a recruiter screen, followed by a technical round (often scheduled 1–2 months later). If successful, you proceed to four more rounds: three technical (including system design) and one behavioral interview.
Interview questions [1]
Question 1
heap(kth element in the array) and queue(valid parentheses)
Interview was 45 minutes, 5 minutes of bs talking and then straight to the questions. You have basically 15 minutes per problem so keep that in mind when you're practicing at home. Set a timer, speak out loud while you're solving the problems and do everything you can to simulate the actual interview. Nerves getting in the way is a real thing to be aware of ("ll get back to why this is important). Anyways, interviewer was nice, he gave example inputs, assisted and gave hints. I actually answered both questions right and thought all was well. definitely thought would make it to the on site.
Passed the initial round and then rejected in the final round. 3 out of 4 persons said yes but but the overall decision was to decline my application. The final round was 2 technical, one ml system design and one behavioural.
Interview questions [1]
Question 1
Have you maintained an end to end ml pipeline in production?