Postman Interview Experience for Fresher SDE - Intern, Sep 2020
Online Coding Interview
It consisted of 17 MCQ based on networking and 3 coding questions. Among those one coding question was on practical implementation.
You have 'N' empty pens whose refills have been used up. You have 'R' rupees in your pocket. You have two choices of operations that you can perform each time.
Given an array A,and constants b, k and m. A paint job is created using the formula s[i] = (A[i]*s[i-1] + b )% m.
Find all the pairs in s[i] less than equal to K and print them.
Tip 1 : Know NodeJS completely from inside out. Focus on NodeJS event loop and knowing how callbacks occur.
Tip 2 : Have in-depth knowledge of all database concepts. eg. Knowing indexing is not enough, but how it is implemented is.
Tip 3 : Make good projects on NodeJS.
Tip 4 : Have in-depth knowledge of networking concepts especially TCP.
Tip 5 : Know the company better.
Tip 2 : Having a good college name, or Google Summer of Code kind of experiences helps.