I applied online to Fb London for Enterprise Engineer role. Got a call from recruiter to set up first round of telephonic interview. The interviewer asked two question. One on Tree and other on String. The interview was on shared editor. The interviewer was very particular about missing quotes and semicolons. I have attended n number of interviews online, but never came across such interviewer who's so particular about missing quotes and semicolons on a shared coder-pad editor. I was rejected after the first round itself. I coded solution to both the problems without any hint and did a dry run too. Interviewer was convinced with the solution as well. I didn't know why they rejected me. Got the rejection mail on the same day. Asked for feedback, didn't get

45 minutes in total via zoom. 5 minutes - introduction 35 minutes - You need to solve 2 medium difficulty leetcode problems. 5 minutes at the end to ask any questions you have about Meta. You must solve both problems optimally within the time, explaining your process as you go, and then running through the code in your head (without the ability to actually execute it). You are expected to find and fix any bugs in your code without assistance.