Paytm Interview Questions – Set 3

PayTm Interview Experience | Set 3 (Senior SDET Role)
It was really a great experience in Paytm, they actually tested the candidate which they exactly want .

Telephonic Round :

Q1. About the current work?

Q2. Stock buy-sell problem?

I gave a solution in O(n2) first and interviewer asked me to optimize it and I did that. You have to give optimized solution to proceed further.

I called for F2F interview.

Round 1:

I coded and executed a email service .

You have a client-server architecture. In between client and server you have your application. Given each server has a success probability factor `x`(0 to 1), You are supposed to come up with a logic so that you decide which server among all the active servers would process your request and give back the response to your application, which in turn is displayed to the user. Design and Develop your application after that.

Round 2:

Q1. Given an array of size n, find the min of (max of k number – min of k number) where k

Q2. Given a file containing words, find k most frequent words?

Round 3:

Stack Implementation if Parallel request comes (Use Synchronized block) and Other Problem solving.

Round 4 & 5:

Some normal discussion with HR and CTO , both are really nice in talking.

Overall the interview experience was awesome and got the offer.

One Thought on “Paytm Interview Questions – Set 3

  1. Garima Rana on July 4, 2019 at 11:04 am said:

    Can you please also post the brief anwsers for the questions above? That would be really helpful

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