I applied through an employee referral. I interviewed at PerimeterX (Petaẖ Tiqwa) in Feb 2021
Interview
The first interview was with 100 different applicants where we were given a task. About 50 was invited for the second interview (myself among them) and the second interview was personal with 2 interviewers. I was asked a technical question and some questions about myself.
Interview questions [1]
Question 1
Construct a class holding an array of integers, which has a method that returns a random number from the array, but never the same number twice.
a phone call you need to tell about yourself and projects from univrsity, than a one hour test and after that a zoom interview asking string question, dynamic programming edit distance , anagram,
I applied online. I interviewed at PerimeterX (Tel Aviv-Yafo) in Feb 2021
Interview
110 candidates on zoom, with a link to edit google docs with 3 personal questions and 2 professional questions.
first questions was about receiving lines of log and make array of urls with count value of times accessed.
second question was to fetch "expensive" data, so they intended you would use caching.