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Paytm Interview Experience | Set 12 (For 1.5 Years Experienced)

Last Updated : 23 Jul, 2025
I want to share my interview experience with Paytm with all of you.
  • Round-1 [1.5 hr]
    1. Brief introduction
    2. Discussion about project
    3. why are you using Fluentd(EFK) in place of Logstash(ELK)
    4. Question on Elastic Search [Based on my project]
    5. Given a binary tree, write a function to print its top and bottom view.
  • Round-2 [1 hr]
    1. Brief Introduction
    2. Given an N-ary tree, write a function to print its Left order traversal.
    3. Given a Binary tree, write a function to print its Left view.
  • Round-3 [1.5 hr]
    1. Brief Intro
    2. Which projects, you find it most difficult and question related to that.
    3. Design Database for split-wise type app.
    4. What are the advantages and Disadvantages of NodeJs.
    5. How NodeJs Works internally.
    6. Why Some prefer multithread over NodeJs[single threaded]
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