I applied online. The process took 3 months. I interviewed at Meta in Oct 2020
Interview
Contacted by email after applying online. Scheduled a 45 min phone screen with Facebook engineer. The interview primarily consisted of coding. I could ask the engineer some questions at the end.
Interview questions [1]
Question 1
Given a string of type “(({X}({Y})))(Z)”, determine the max depth of nested parentheses in the string. Answer is in this case 4. Parentheses without variables in them do not count.