Question

PhonePe | Interview Experiences | SDE 2 | Set-2

Answer 1

The interview process started in the end of June 2022 (through an employee referral), and final offer was shared in the first week of September 2022.

 

Round 1: Machine Coding

 

Design and implement a Coupon Management System where any distributor can create a batch and ingest coupons into it, and then the system will grant coupons from batch to the user.

 

Duration: 30 mins Discussion + 90 minutes implementation + 30 mins Evaluation

 

[ P.S.: Full problem statement and sample solution: Link ]

 

Round 2: Data Structures and Problem Solving

 

A total of 3 questions were asked. (Duration: 60 mins)

 

1. Number of ways to start from vertex A and end at vertex A of a triangle using N hops.
2. A variation of Binary Tree Maximum Path sum
3. Binary Tree Cameras

 

Round 3: High Level Design

 

Explain the High Level Design of the product you are currently working on. (I was completely thrown off guard here as I was expecting one of the standard HLD problems here)

 

Round 4: Hiring Manager

 

This round touched upon a lot of things.

 

1. In-depth discussion on a past project
2. Reasons for joining PhonePe
3. Design a URL Shortening service

 

Cleared all the rounds, got the offer in the first week of September 2022.