I applied through a recruiter. The process took 4 weeks. I interviewed at Meta (Seattle, WA) in Oct 2017
Interview
Two PS, then on site with five people loop.
Coding, design, Linux, Network and soft skills.
Each area are both check your knowledge breath and depth.
Recruiter real helpful on preparing, they provide detailed guidance and help me prepare the interview.
On-site experience is great, nice people and hard questions though.
Interview questions [1]
Question 1
Linux kernel, Network deep dive, distributed system design
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