I applied through a staffing agency. The process took 5 days. I interviewed at Meta (Menlo Park, CA) in May 2015
Interview
Phone Screen 45 min duration in total, the interviewer said a little bit about himself and went straight to a technical question. No background questions. The interview process went as expected, no surprises. The interviewer seemed to be a nice guy.
Interview questions [1]
Question 1
Given a sequence of numbers (34128) and an input map such as a dial pad on a phone (2->[a,b,c], 3->[d,e,f], 4->[g,h,i]) write an algorithm to return all possible words from the sequence.
E.g. Input: 232
Output: [ada, adb, adc, aea, aeb, aec, afa, afb, afc, bda, bdb, bdc, bea, beb, bec, bfa, bfb, bfc, cda, cdb, cdc, cea, ceb, cec, cfa, cfb, cfc]
Took about a month altogether, which felt longer given the intensity of the process. Kicked off with a technical screening, followed by two rigorous coding interviews. The DSA question on binary tree vertical order traversal hit me hard at first, but then I recognized the prompt instantly — I had just worked through something similar on PracHub. The final round was focused on system design, and while I ended up receiving an offer, I ultimately declined it. Overall, a challenging experience that definitely sharpened my skills.
1 leetcode med, 1 leetcode hard. make sure you know your DSA and leetcode questions. I wasn't able to get an offer bc i didnt complete the second question. Got a reply 2 days later saying they would move on
Overall, the process took a little over two weeks, which felt a bit longer than I anticipated. After a quick screening, I went through two technical rounds focusing on coding and DSA concepts. One of the questions was a classic palindrome check; mid-way through, I realized it was something I had practiced on PracHub just days earlier. The final step was a casual behavioral interview. I was relieved to get an offer shortly after, which I happily accepted.
Interview questions [1]
Question 1
Given a string, determine if it is a valid palindrome considering only alphanumeric characters and ignoring case.