The process took 1 day. I interviewed at Meta in Jan 2010
Interview
First round HR interviewed with one simple puzzle and Algorithm questions. Complexity of some sorting algorithms. If the questions are not answered properly, they will ask you to solve a puzzle and send it across.
The difficult puzzles from the link http://www.facebook.com/careers/puzzles.php
Meal and buffet questions.
First Stage simple coding assessment. Very straightforward and helpful instruction on how to the complete tasks. 3 leetcode style questions (2 easy 1 medium/hard for me). Nice looking and helpful application hub.
I applied online. The process took 4 weeks. I interviewed at Meta (Menlo Park, CA) in Dec 2023
Interview
It consisted in a behavioral interview and a coding interview, the coding interview had 4 questions of easy and medium difficulty .
The process was very intuitive, and the engineers were very kind.
Interview questions [1]
Question 1
They asked for my preferences for my work environment
I applied online. The process took 6 weeks. I interviewed at Meta in Nov 2021
Interview
codesignal then standard behavioral interview for summer 2022 position. codesignal score didn't need to be high (probably scored 650-750 range) and behavioral interviewer was reading off a script/writing down everything i said.