I applied online. The process took 6 weeks. I interviewed at Meta (Dublin, Dublin) in Mar 2018
Interview
Initial 20 question linux command screener, then two technical phone interviews, one algorithms, the other linux internals (supposed to be 'systems' but questions were specifically linux internals based.) Rejection received by email one week after systems interview.
Interview questions [3]
Question 1
Initial Screener: 20 questions such 'if i wanted to find a list of active processes, what command would i use?'. (multiple choice format)
Algorithm phone interview: if you had a program to play the Battleship game, and you had the method "fireBomb()" that took coords on a square matrix of any size, implement an algorithm that has to use the "fireBomb()" method the least amount of times to destroy a battleship.
I had two screening rounds and 3 interview loop rounds, Meta leetcode questions, systems design can be extensive. Questions can be repeated so look out for all the available questions online. Systems debugging is a very important topic
Interview questions [1]
Question 1
Why Meta?
What are different internet web protocols
talk about internet.
Recuriter round then technical screen with an engineer that then final stage which is four rounds, 2 coding 1 system design and one behavioural, for Production Engineer the questions are often a mix of LC questions and practical file system operations
Interview questions [1]
Question 1
Reading input from file
BFS/DFS Basic Graph problems
There are 2 rounds, first has PE basics and coding, second has PE basics, coding and Behavioral. Learn linux, OS, Networking in detail. They dig deep into whatever u say. Coding is usually easy, prepare file parsing questions
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