'Coding has over 700 languages', '67% of programming jobs aren’t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
Paytm (One97 Communications Limited) interview experience Real time questions & tips from candidates to crack your interview
Software Engineer
Paytm (One97 Communications Limited)
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4 rounds | 8 Coding problems
Interview preparation journey
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Preparation
Duration: 3 Months
Topics: Data Structures, Algorithms, Web Development, Operating Systems, Object-oriented Programming, Puzzles
Tip
Tip

Tip 1 : For a product-based company, the first important thing is to solve as many DSA problems as possible. I solved problems mainly on GeeksforGeeks, LeetCode, and Coding Ninjas.
Tip 2 : Prepare 2-3 good projects based on your technical skillset. Prepare it very well as there is a high chance that projects would be discussed in the interview.
Tip 3 : Prepare fundamental college subjects like Operating systems, Object-oriented Programming, Database Management.

Application process
Where: Campus
Eligibility: Above 7 CGPA
Resume Tip
Resume tip

Tip 1 : Keep it short and concise
Tip 2 : Describe your projects very specifically

Interview rounds
01
Round
Medium
Online Coding Interview
Duration90
Interview date14 Aug 2020
Coding problem2

The test was organized online on Amcat and there were 3 coding problems. There were no MCQs in this round.

1. NINJA TECHNIQUE
Moderate
20m average time
80% success
0/80
Asked in companies
InfosysPaytm (One97 Communications Limited)Adobe
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Moderate
15m average time
85% success
0/80
Asked in companies
Urban Company (UrbanClap)Paytm (One97 Communications Limited)MAQ Software

Given a binary tree, a target node in the binary tree, and an integer ‘K’. You need to find all the nodes that are at a distance ‘K’ from the given target node.

No parent node pointer is ...

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02
Round
Medium
Video Call
Duration50
Interview date20 Aug 2020
Coding problem2

This round was scheduled by the college Training and Placement team virtually. The interviewer asked me questions pertaining mainly to DSA and we discussed my projects.

1. Segregate Even And Odd Nodes In a Linked List
Easy
15m average time
85% success
0/40
Asked in companies
Paytm (One97 Communications Limited)American ExpressGrab

You are given the head node of a singly linked list 'head'. Your task is to modify the linked list in such a way that all the even valued nodes...

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2. Application Question

How your project handles web requests? Explain from the scratch.

03
Round
Easy
Video Call
Duration60
Interview date21 Aug 2020
Coding problem3

Again, the round was virtual. This was a Tech + Managerial round organized by the college T & P cell. The interviewer asked questions related to fundamental subjects such as Operating Systems, Object-oriented programming, and DBMS. There was one coding round at the end.

1. OS Question

What do you know about Paging and Segmentation? Discuss their needs and work.

2. DBMS Question

How would you manage an Employee-Organisation scenario as a Database? Explain your schema and relations between them.

3. Diagonal Traversal of a binary tree.
Easy
10m average time
90% success
0/40
Asked in companies
Expedia GroupOlaMicrosoft

You have been given a binary tree of integers. You are supposed to find the diagonal traversal(refer to Example) of the given binary tree.

Example:

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04
Round
Easy
HR Round
Duration40
Interview date22 Aug 2020
Coding problem1

The round was virtual and was organized by the T & P cell of the college. The interviewer asked some behavioural and situation-based questions. There was one puzzle at the end.

1. Basic HR Questions

Why do you want join this company?

Tell me about yourself.

Problem approach

Tip 1 : Solve puzzles Coding Ninjas.
Tip 2 : Think loudly.

Tip 3 : Prepare beforehand about some relevant situations (technical and professional situations)
Tip 4 : Communicate in a clear and concise manner.

Join the Discussion
1 reply
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24 Aug 2021

How your project handles web requests? Explain from the scratch. Please explain 

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