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Rejected

SDE 1 at Paytm

Difficulty
Process took
2-3 Weeks
Rounds
3
Format
Remote
Applied via
Email

How it went

  • When I look back at my own journey preparing for interviews at companies like Paytm, Flipkart, or Amazon, one thing is clear, it is as much about mindset as it is about skills.

What they would tell you

  • When I look back at my own journey preparing for interviews at companies like Paytm, Flipkart, or Amazon, one thing is clear, it is as much about mindset as it is about skills.

How to prepare

  • Arrays, strings, linked lists, trees, graphs, if you can solve medium-level problems on these topics without panicking, you’re already ahead.

Their background

I interviewed for SDE-1 role at Paytm and wanted to share my experience to help others who are preparing.

Round by round

  1. 1

    Technical60 min

    Brief introduction about myself and my work experience, The discussion quickly about my projects, where I had to explain my role and skill that i have applied DSA Question: Given a binary tree, write a function to print its top and bottom view.

  2. 2

    DSA60 min

    Again started with introduction after it two DSA problems Given an N-ary tree, print its right order traversal. Container With Most Water

  3. 3

    Design90 min

    Started with project discussion, asked about my most challenging project and related questions. Design a restaurant reservation system

    • Discussed tables for restaurants, users, reservations, handling availability search, booking conflicts, and scaling for many concurrent users. Backend Questions:

    • Explain how NodeJS handles asynchronous I/O internally.

    • Advantages and disadvantages of using NodeJS in high-concurrency applications.

    • How would you implement rate limiting for APIs in NodeJS?

    • Difference between horizontal scaling and vertical scaling, and when each is preferred.

What came up

MediumRemote1 2 years

A candidate-reported account, lightly edited. Interview processes change by team and date.

Sources

Hiring now

Paytm has 128 open roles right now

landed applies to roles like these for you, on each company’s own site, with answers written for the role.

  • Senior Software Engineer – Backend (Travel)

    Bangalore, Karnataka

  • Junior Marketing Manager

    Luxembourg

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