8 Cognizant Mainframe Developer Interview Questions & Answers | Complete Prep Guide 2025

Cognizant Mainframe Developer Interview Experiences

5 interviews found

Mainframe Developer Interview Questions & Answers

Anonymous

posted on 23 Oct 2024

Interview experience

Good

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

I applied via Job Fair and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Technical

(2 Questions)

Q1. Diff between static and dynamic call

Ans.

Static call is resolved at compile time, while dynamic call is resolved at runtime.

Static call is determined at compile time based on the code structure.
Dynamic call is determined at runtime based on the actual object being referenced.
Static call is faster as it does not require runtime resolution.
Dynamic call allows for flexibility and polymorphism in programming.
Example: In Java, static method calls are resolved at c...

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Q2. Diff between index and subscript

Ans.

Index is the position of an element in an array, while subscript is the value used to access that element.

Index starts from 0 in most programming languages.
Subscript is the value enclosed in square brackets used to access an element in an array.
Example: In array arr = [10, 20, 30], arr[1] has index 1 and subscript value 20.

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Round 2 - HR

(2 Questions)

Q1. Salary discussion

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Q2. Location discussion

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Mainframe Developer Interview Questions & Answers

Anonymous

posted on 30 Apr 2024

Interview experience

Good

Difficulty level

Easy

Process Duration

More than 8 weeks

Result

Selected

I applied via Campus Placement and was interviewed in Oct 2023. There was 1 interview round.

Round 1 - Technical

(1 Question)

Q1. Interview: Self Introduction, overflow of project, role, catlg proc instream proc difference, Gdg and syntax to create Gdg, parameters of Gdg, Restart parameter, condition parameters, Ibm utilities, to re...

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Mainframe Developer Interview Questions & Answers

Anonymous

posted on 21 May 2022

I applied via Naukri.com and was interviewed in Nov 2021. There was 1 interview round.

Round 1 - One-on-one

(1 Question)

Q1. Redefine clause of COBOL

Ans.

Redefine clause in COBOL allows a data item to be referenced by different names and formats.

Redefine clause is used to save memory space by sharing the same memory location for different data items.
It is used to define a new data item that shares the same storage area as an existing data item.
The new data item can have a different data type, length, or picture clause than the original data item.
Example: 01 EMPLOYEE-DET...

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Interview Preparation Tips

Interview preparation tips for other job seekers - Stay confident even if u miss out some questions dont get nervous, show your commitment towards learnings.

Skills evaluated in this interview

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Mainframe Developer Interview Questions & Answers

Anonymous

posted on 6 Jan 2022

I applied via Naukri.com and was interviewed in Jul 2021. There was 1 interview round.

Interview Questionnaire

1 Question

Q1. Utilities and related to DB2 questions

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare deeply they can ask any questions

Mainframe Developer Interview Questions & Answers

Anonymous

posted on 9 Sep 2021

I applied via Naukri.com and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire

1 Question

Q1. Basic questions

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Interview Preparation Tips

Interview preparation tips for other job seekers - Interview was done for around 1 hour.
It covered all the general COBOL, jcl, db2, vsam, cics questions. The interview is basic and easy to clear for someone who knows their basics.

Interview questions from similar companies

Software Engineer Interview Questions & Answers

Wipro

Anonymous

posted on 16 Sep 2021

I was interviewed before Sep 2020.

Round 1 - Coding Test

(1 Question)

Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

Q1.

Sum of Two Numbers Represented as Arrays

Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...

Ans.

Given two numbers represented as arrays, calculate their sum and return the result as an array.

Iterate through the arrays from right to left, adding digits and carrying over if necessary
Handle cases where one array is longer than the other by considering the remaining digits
Ensure the final sum array does not have any leading zeros

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Round 2 - Face to Face

Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round 3 - HR

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.

Interview Preparation Tips

Eligibility criteriaAbove 60 %Wipro Limited interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Database Concepts, Coding problemsTime required to prepare for the interview - 2-3 monthsInterview preparation tips for other job seekers

Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.

Application resume tips for other job seekers

Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.

Final outcome of the interviewSelected

Skills evaluated in this interview

Software Developer Interview Questions & Answers

Infosys

Anonymous

posted on 19 Jan 2021

I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.

Interview Questionnaire

1 Question

Q1. SOLID principals, oops, c# basics, SQL server, azure, design pattern

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Interview Preparation Tips

Interview preparation tips for other job seekers - Clear basics of oops and design pattern

Software Developer Interview Questions & Answers

Capgemini

posted on 5 Apr 2022

I applied via Job Portal and was interviewed before Apr 2021. There was 1 interview round.

Round 1 - Technical

(1 Question)

Q1. Solid principles in c#

Ans.

Solid principles are a set of design principles for writing maintainable and scalable code in C#.

Single Responsibility Principle (SRP) - a class should have only one reason to change
Open/Closed Principle (OCP) - a class should be open for extension but closed for modification
Liskov Substitution Principle (LSP) - derived classes should be substitutable for their base classes
Interface Segregation Principle (ISP) - client...

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Interview Preparation Tips

Interview preparation tips for other job seekers - good company for freshers as well as beginners

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Infosys

Anonymous

posted on 10 Feb 2021

I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.

Interview Questionnaire

1 Question

Q1. Hr

Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - You should be true to what you are putting before the interviewer . Try to put your ideas Add something you did well in your career like in projects /research which you know very well and versed in concepts about it for open interview so that interviewer can get bandwidth where he can ask questions from. This is simply a key .

Software Engineer Interview Questions & Answers

Infosys

Anonymous

posted on 31 Jan 2021

I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire

1 Question

Q1. 1.Describe a situation where you have taken a quick decision and failed, and a situation where you succeeded. 2. What is a skill you have tried to achieve but failed? 3. Describe a decision you have taken ...

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Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Always try to take risk in small problems . When you face the consequences, you would be able to tackle bigger problems.
2. Every skill you learn, even if you didn't excel in it is not to be considered a waste of time/failure, you learn something simply by participating.

Cognizant Interview FAQs

How many rounds are there in Cognizant Mainframe Developer interview?

Cognizant interview process usually has 1-2 rounds. The most common rounds in the Cognizant interview process are Technical, One-on-one Round and HR.

How to prepare for Cognizant Mainframe Developer interview?

Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Cognizant. The most common topics and skills that interviewers at Cognizant expect are Cobol, JCL, Cics, Db2 and Mainframes.

What are the top questions asked in Cognizant Mainframe Developer interview?

Some of the top questions asked at the Cognizant Mainframe Developer interview -

Redefine clause of CO...read more
Diff between static and dynamic c...read more
Diff between index and subscr...read more

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Cognizant Mainframe Developer Salary

based on 524 salaries

₹2.7 L/yr - ₹12.5 L/yr

6% more than the average Mainframe Developer Salary in India

View more details

Mainframe Developer Jobs at Cognizant

Mainframe Developer

Chennai,

Coimbatore

6-10 Yrs

Not Disclosed

Mainframe Developers - Face To Face Interview with Cognizant

Hyderabad / Secunderabad,

Chennai

6-11 Yrs

Not Disclosed

Cognizant - Walk-in Interview For Mainframe Developer - 1st Mar Drive

Hyderabad / Secunderabad,

Chennai

5-10 Yrs

Not Disclosed

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