I was applying to Facebook through a friend that is working there. I was first contacted by a recruiter who asked some technical questions.
I was next contacted only 2 weeks later and a phone interview was set.
The question was relatively easy, but I was stressed and couldn't think of a way to make it more efficient.
Interview questions [1]
Question 1
Given a string of an arithmetic expression, composed of numbers, '+' and '*', calculate the result -
e.g. "2+4*5*7"
Recruiter call was pretty standard, first round was 2 Meta tagged LC mediums in 45 minutes. On-site was 2 coding sessions of 2 LC mediums, a system design interview and a behavioral interview with an engineering manager.
Interview questions [1]
Question 1
How do you answer if someone asks how long a deliverable or project will take?
The entire process usually takes 3–8 weeks, depending on scheduling and the specific role. Coding interviews heavily emphasize common DSA topics such as arrays, strings, trees, graphs, BFS/DFS, heaps, hash maps, and dynamic programming. System design becomes increasingly important for E4+ positions.
Interview questions [1]
Question 1
Given an array of integers and a target value, return the indices of two numbers that add up to the target