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Company

Paytm (One97 Communications Limited) Interview Experience for Experienced SDE - 1, Aug 2019

Posted: 20 Nov 2020
upvote
2
Selected
Interview Rounds
Application Process

Interview Process

Face to Face

Moderate
Duration:
45 minutes
Interview-Date:
17 Aug 2019
Problems:
2

I applied thorough LinkedIn and got a call from HR for the interview.
I went to their Noida Office.
First round was mainly focused on Javascript fundamentals.
Interviewer was also friendly.

Javascript Questions

Main questions that were asked were based on callbacks, promises, Closures, Event loop.
Some output guessing questions :
1. Difference between let, var, const
2. ES6 features
3. Hoisting
4. Rest, spread operator and other basic concepts of JavaScript

See my Approach
Project Questions

Questions related to my project were asked.
I had made a carpool app as my internship project in React Native, Node.js and Mongo DB.
So mainly questions were from them.
1. SQL vs NoSQL
2. Event loop
3. Synchronous vs Asynchronous

 

See my Approach
Next
Round - 2

Preparation

Duration:
1 month
Topics:
JavaScript,React.js,Java,Node.js,DS & Algo,
Preparation Tip

Tip 1 : Be strong at your basics.
Tip 2 : Don't hesitate to ask questions to interviewer.
Tip 3 : Prepare good for DS & Algo as most companies have a separate round for it.

Application Process

Where:
Linkedin
Eligibility:
I applied for Frontend role so Javascript was needed.
Resume Tip

Tip 1: If possible make 1 page resume
Tip 2: Don't put too many things. Keep it simple. If you're a fresher and have good projects, do put them before your academic section.
Tip 3: Be ready to explain everything you have in your resume.

2 upvotes
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