Experience: 3+ Years
Company: PhonePe
Role: Software Engineer (3-5 yoe)
Location: Bangalore
Applied through referral

Round 1: Machine Coding | 1.5 hr
Activity tag logging system.
Functionalities to build:

1. user should be able to add tags to activity in hierarchical order.
2. user should be able to retrive count of how many times tag is used accross all entity

Focused Skills: Design Patterns, Time complexity, Code quality
After few days code evaluation round was schedule where you have to explain your approach and tradeoffs if any to the interviewer

Verdict: Strong Hire

Round 2: DSA and Problem Solving | 1 hr

1. https://leetcode.com/problems/matchsticks-to-square/description/
2. https://leetcode.com/problems/kth-smallest-element-in-a-sorted-matrix/description/

Focused Skills: Problem Solving approach, Time/Space complexity

Verdict: Lean Hire

Round 3: Design | 1 hr
Design Twitter
Functionalities:

1. Post Tweet
2. follow-following
3. user timeline
4. user profile

Focused Skills: LLD, HLD

Verdict: Strong Hire

Round 4: Hiring Manager | 1hr
Questions from resume and previous projects/features I worked on.

Focused Skills: Deep understanding of the work you have done previously and design decisions

Verdict: Strong Hire

Final Verdict: Hire