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One97 Communications Overview

Website www.one97.com
Headquarters Noida, India
Size 1001 to 5000 Employees
Founded 2010
Type Company - Private
Industry Telecommunications
Revenue $2 to $5 billion (USD) per year
Competitors OnMobile, Comviva Technology, Hungama
Paytm, One97's flagship brand, is India's largest digital goods and mobile commerce platform - inspired and driven by a commitment to great consumer experience. Paytm is also a leading payment solutions provider to ecommerce merchants using its RBI ... More

One97 Communications Reviews

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Recommend to a friend
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Vijay Shekhar Sharma
80 Ratings
  • associate sales

    • Work/Life Balance
    • Culture & Values
    • Career Opportunities
    • Comp & Benefits
    • Senior Management
    Former Employee - Associate in Hyderābād (India)
    Former Employee - Associate in Hyderābād (India)


    good company to work with, good manager and support


    salary is too less, nothing much

One97 Communications Photos

One97 Communications Interviews

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Interview Experience


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Getting an Interview


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Interview Difficulty




    Software Engineer Interview

    Anonymous Interview Candidate
    No Offer


    Written 1 : Technical and Aptitude. Written 2: Written Coding Written 1 was Normal Written exam based on fundamentals of Aptitude and Computer Science. Written 2: Few Questions I remembered : Q1 : char a; int i = 300; a = &i; a++; *a=2; printf("%d",i); Q2 : Imagine you have a special keyboard with the following keys: A Ctrl+A Ctrl+C Ctrl+V where CTRL+A, CTRL+C, CTRL+V each acts as one function key for “Select All”, “Copy”, and “Paste” operations respectively. If you can only press the keyboard for N times (with the above four keys), please write a program to produce maximum numbers of A. If possible, please also print out the sequence of keys. That is to say, the input parameter is N (No. of keys that you can press), the output is M (No. of As that you can produce). Q3 : Consider a Binary Tree not necessarily BST,Remove all nodes which don’t lie in any path with sum>= k. Q4: Given an array arrange it in the form a<b>c<d>e<f>g………. Q5 : Given an array of numbers arrange it in the form of a single number such that the concluded number is the maximum. e.g. given : 99,8,76,45,66,9,7,33,5,42 O/P : 99987766654233 Sectional Cut-off for O/P and Coding Questions. Marking was done against correct approach not the exact answers. Round 1 (Technical): Q1: How will you store 800 Million records in database. Q2: Data storage of double and float differs in C/C++ and Java How is it ??? Q2: Transfer data between a program written in Java and C#. Q3: I need to establish a network in which I will be sure of security ,How will you proceed Q4: A and B are two sets Write a non nested query so that I can get the data in B but not in A. Q5: 000…………..? 11111111111111111111…………….? Write a Program which find the index of the start of series 11111111…..?. Round 2 (Technical): Q1: Give your introduction along with your technical skills. Q2: Explain your project “Stock Prediction” Q3: I want to retrieve records from a table from date 1 – 15.I don’t want to use range Queries Suggest the optimal solutions… I suggest Indexing on date column. He insisted on alternate ways. “he said what you think you can do……” Q4: What is Unique and NULL Constraint ? Difference between Primary Key and Unique. How many maximum records in Unique can be NULL. Q5: Write Most optimized algorithm for finding a Word in sentence. (I used Trie approach , he scolded me for not asking the sentence is sorted or not.. the used Binary search.) Q6: Difference between thread and process. What is PCB ? What is synchronization ?? What is Semaphore ? Explain and solve Producer Consumer Problem using Semaphore ? What is Drawback here What is monitor ? Solve Producer Consumer Problem using Monitor and explain pros and cons. Final 8 candidates from Delhi region selected. Round 3(Final Round Managerial and Technical): Q1 : What you want to do in your Life ?? Discussion life as a placement coordinator ? What you did ? your duties ? differences you made … Q2 : Doing Post Market Analysis of a Stock Market of Previous Month . Write a Program of Stock Buy Sell to Maximize Profit. Q3 : Explain Cursor ? its types ? differences between them ? What to use When ? Q4 : Explain Matrix ? Matrix Multiplication? Difference ways of Matrix Multiplication ?Explain Both. Q5 : What are you doing right now ??? will you join us ?? Why ?? Students from 30 Colleges of India are evaluated and Top 25 are offered the JOB. I was not one of them.

    Interview Questions

    • Difference between thread and process. What is PCB ? What is synchronization ?? What is Semaphore ?   Answer Question

One97 Communications Awards & Accolades

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  • Paytm Wallet gets the Best Digital Wallet Award, IAMAI’s India Digital Awards, 2015
  • Paytm App is a finalist in Consumer Trust category, International Meffys Awards, 2014
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