PayPal interview experience Real time questions & tips from candidates to crack your interview
MTS 4
PayPal
3 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 2 months
Topics: Data structures, Python, Operation System, Computer Network, Database
Tip 1 : Practice Leetcode on a daily basis
Tip 2 : Develop OS understanding by reading Operation system by Galvin.
Application process
Where: Hackerrank
Eligibility: Above 7 CGPA
Tip 1 : Write what you know
Tip 2 : Should have hands-on experience on projects which you have done
Interview rounds
01
Round
Easy
Telephonic
Duration20 Minutes
Interview date18 Jan 2021
Coding problem1
Have asked about whatsapp design.
1. System Design Question
How To Design A Messaging App(Whatsapp), what are the things which you will consider.
Problem approach
1. One-on-one chat/group chats feature.
2. data sharing (image,files,location,contact etc).
3. Chat history, the status of user, notification, etc
02
Round
Medium
Video Call
Duration50 minutes
Interview date20 Jan 2021
Coding problem1
Coding round
1. Dice Throws
Hard
35m average time
65% success
0/120
Asked in companies
You are given D dice, each having F faces numbered 1 to F, both inclusive. The task is to find the possible number of ways to roll the dice together such that the sum of face-up numbers equal the given target S.
Note :
As the answer can be large, return your answer modulo 10^9 + 7.
Follow Up :
Can you solve this using not more than O(S) extra space?
03
Round
Medium
Video Call
Duration40 Minutes
Interview date22 Jan 2021
Coding problem1
Distributed system, upgrade scenarios
1. Problem Solving
Need to solve a problem wherein the distributed system, how you will do the patching/upgrade of all the system without downtime.
Problem approach
1. Should have an understanding of the distributed systems.
2. Rolling upgrade understanding.
3. No downtime.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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