Meta Machine Learning Engineer interview questions
based on 159 ratings - Updated May 31, 2026
Averageinterview difficulty
Mostly positiveinterview experience
How others got an interview
62%
Recruiter
Recruiter
22%
Applied online
Applied online
14%
Employee Referral
Employee Referral
1%
Campus Recruiting
Campus Recruiting
1%
In Person
In Person
Interview search
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Meta interviews FAQs
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%
Here are the most commonly searched roles for interview reports -
I applied through an employee referral. I interviewed at Meta (Seattle, WA)
Interview
One or two phone screens followed by a full interview loop. The interviews are very obejctive and related to the job. The full onsite includes two coding rounds, two (backend or ML) design rounds, and one behavorial round.
Interview questions [1]
Question 1
Design a recommendation system similar to News Feed.
I applied through a recruiter. The process took 3 weeks. I interviewed at Meta
Interview
Phone Screen Tech Phone Screen Virtual Onsite 5 sessions - 1 ML, 1 System Design, 2 Coding, 1 Behavioral. Can take 2-4 weeks depending on your scheduling. Feedback was quick.
Phone Screening. 2 coding challenges for 45 minutes. Need to understand the given scenario, interpreting the question, and then choose appropriate algorithm and data structure to solve it. After coding, need to give the time and space complexity of the algorithm.
Interview questions [1]
Question 1
What the minimum number to add parentheses to make a string balanced.