College : Tier 3
Batch : 2021
Experience : NA

OA

• Participated in Paypal Hiring challenge on Hackerearth although it was for SE 2 & 3 positions.
• 2 questions – 2hrs
• Solved both questions, all the test cases passed.

Received a mail from the recruiter, asked me to share my resume.

All further rounds were held on Microsoft Teams.
Interview Duration : 1 hour each

Technical Round 1:

• Basic- Tell me about yourself
• Project discussion
• Question 1: Given a string x, return the "reversed" string where all characters that are not a letter stay in the same place, and all letters reverse their positions.
  Sample 1:
  Input: s = "ab-cd"
  Output: "dc-ba"
  Sample 2:
  Input: s = "a-bC-dEf-ghIj"
  Output: "j-Ih-gfE-dCba"
• Question 2: Sort List (LC 148)
• Some technical questions related to my domain. DBMS and Scheduling questions.

HR round 1:

• Coding question: Implement a circular doubly linked list with insert, delete and search operations.
• Detailed discussion on project.
• Questions related to Client Server Model, OSI, TCP IP, Rest API, SOAP API and a lot more.
• HR questions like why paypal, where do you see yourself in 5 years, why should I hire you and what makes you different from the rest.

Technical Round 2:

• Question 1: String based question. Later the interviewer asked me to solve it without using any python libraries.
• He asked me what is my favourite data structure. I said each one gives me a hard time. :’( Chose to say graph.
• So he asked me to solve 863. All Nodes Distance K in Binary Tree
• Few questions related to trie.

HR round 2:

• Detailed discussion on project and questions related to the technologies that I’ve used.
• Technical questions.

I was able to answer all questions and solve all coding question in each round along with the explanation and complexity.
Verdict- Rejected

It was quite unexpected to know that I was rejected. I wish they would've provided me with a feedback but that's completely**** okay. I'll keep improving myself.

Hope this helps!

Also read: Amazon interview experience