I applied through a recruiter. The process took 3 days. I interviewed at Meta in Apr 2017
Interview
I was contacted by a recruiter over Linkedin. I went through a basic a HR phone screen with a few easy Linux/networking questions. I then had a programming interview where I was given two prompts to answer in 45 minutes. You could use any language and they were fairly straightforward. The first interviewer was very pleasant and quick. The second didn't say much and then described the job to me.
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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