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3.9

based on 37.3k Reviews

HQ - Teaneck. New Jersey., United States (USA) IT Services & Consulting 1 Lakh+ Employees (India)
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#19 Best Mega Company - 2022

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Cognizant Interview Questions

Updated 22 Mar 2023

9 interviews found

Sort by: Popular

Data Scientist Interview Questions

user image HARSH VARDHAN Sharma

posted on 11 Feb 2023

Interview experience
Rating 4
Good
Difficulty level
-
Duration
-
Result
-

4 Interview Rounds

1

Resume Shortlist Round

Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
2

Technical Round (1 Question)

3

Technical Round (1 Question)

  • Q1. Question related to machine learning, projects and case study.
4

HR Round (1 Question)

Interview Preparation Tips

Interview preparation tips for other job seekers - Be thorough with basic data science concepts, projects.

Top skills recommended for Cognizant Data Scientist interview

Insights by AmbitionBox
  • Machine Learning
  • Data Science
  • Python
  • R
  • Artificial Intelligence
  • Logistic Regression
  • NLP
  • Natural Language Processing
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Data Scientist Interview Questions

user image Anonymous

posted on 22 Mar 2023

Interview experience
Rating 4
Good
Difficulty level
-
Duration
-
Result
-

3 Interview Rounds

1

Resume Shortlist Round

Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
2

Aptitude Test Round

Question related to maths basic and some basic blood relations questions

3

Technical Round (2 Questions)

  • Q1. All the questions we asked based on the Resume
  • Q2. Basic question of program like pattern matching prime number

Interview Preparation Tips

Interview preparation tips for other job seekers - Do your best focus on what you have written on resume

Top skills recommended for Cognizant Data Scientist interview

Insights by AmbitionBox
  • SQL
  • Algorithms
  • Azure
  • Hadoop
  • Power Bi
  • Predictive Modeling
  • Regression
  • SCALA
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Cognizant interview questions for designations

Associate Data Scientist

 (1)

Senior Data Analyst

 (2)

Data Analyst Intern

 (1)

Big Data Analyst

 (1)

Business Intelligence Developer

 (1)

Clinical Research Associate/Scientist

 (1)

Data Analyst

 (27)

Data Engineer

 (7)

Data Scientist Interview Questions

user image Anonymous

posted on 10 Sep 2021

I applied via LinkedIn and was interviewed in Mar 2021.

3 Interview Rounds

Interview Questions

  • Q1. Python pandas operation and ML algorithm in details like Random Forest, Logistic regression, Decision Tree Classifier and ML optimization technique like Gradien...read more
  • Q2. Python basics and Numpy libraries knowledge must have.

Interview Preparation Tips

Interview preparation tips for other job seekers - Strat building logical thinking and whatever you are telling to interviewer that should be in appropriate ways.
If you don't know any asked Questions then your answer should be like, I know and worked as well but unable to recall right now.
Thanks

Top skills recommended for Cognizant Data Scientist interview

Insights by AmbitionBox
  • Spark
  • Statistical Programming
  • Statistics
  • Machine Learning
  • Data Science
  • Python
  • R
  • Artificial Intelligence
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Data Scientist Interview Questions

user image Anonymous

posted on 24 Mar 2021

I applied via Campus Placement

1 Interview Round

Interview Questions

  • Q1. 1)Tell me about yourself 2)explain about your projects 3) what is covariance,ttest, normal distribution, sampling distribution?

Interview Preparation Tips

Interview preparation tips for other job seekers - This interview was a technical one. It lasted for about 45 minutes. The interviewer wanted to test both my knowledge and communication skills. Most of the questions asked to me were related to my B.sc (statistics).He asked on the basics related to my project topic and some current affairs based on my field.Luckily I was able to answer most of the questions. I tried to answer each question with examples. It was my first oncampus interview, and I think I did well for a fresher. You need to stay calm. Please go through the job description and recheck your resume to ensure that you are a best-fit for the position.

Top skills recommended for Cognizant Data Scientist interview

Insights by AmbitionBox
  • Logistic Regression
  • NLP
  • Natural Language Processing
  • SQL
  • Algorithms
  • Azure
  • Hadoop
  • Power Bi
share interview

Data Scientist Interview Questions

user image Anonymous

posted on 23 Mar 2021

I applied via Recruitment Consultant and was interviewed in Sep 2020.

3 Interview Rounds

Interview Questions

  • Q1. Machine learning concepts[Regression and classification] ,Python and Sql Basics

Interview Preparation Tips

Interview preparation tips for other job seekers - Cool

Top skills recommended for Cognizant Data Scientist interview

Insights by AmbitionBox
  • Predictive Modeling
  • Regression
  • SCALA
  • Spark
  • Statistical Programming
  • Statistics
  • Machine Learning
  • Data Science
share interview

Data Scientist Jobs at Cognizant

View all
Data Scientist
Hyderabad/Secunderabad

2-7 Yrs

₹ 5-16.2 LPA

Data Scientist- Model Ops
Bengaluru/Bangalore, Hyderabad/Secunderabad

2-5 Yrs

₹ 3-22 LPA

Data Scientist Interview Questions

user image Anonymous

posted on 13 Jan 2021

I applied via Company Website and was interviewed before Jan 2020.

1 Interview Round

Interview Questions

  • Q1. Which job gives me do that work because of this job very important to me

Interview Preparation Tips

Interview preparation tips for other job seekers - No adive

Top skills recommended for Cognizant Data Scientist interview

Insights by AmbitionBox
  • Python
  • R
  • Artificial Intelligence
  • Logistic Regression
  • NLP
  • Natural Language Processing
  • SQL
  • Algorithms
share interview

Data Scientist Interview Questions

user image Anonymous

posted on 10 Jul 2021

Interview Questions

Top skills recommended for Cognizant Data Scientist interview

Insights by AmbitionBox
  • Azure
  • Hadoop
  • Power Bi
  • Predictive Modeling
  • Regression
  • SCALA
  • Spark
  • Statistical Programming
share interview

Data Scientist interview

user image AS Learning

posted on 16 Nov 2021

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Data Scientist interview

user image The Communicators

posted on 29 Dec 2021

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Interview questions from similar companies

user image Anonymous

posted on 18 Jan 2023

Interview experience
Rating 5
Very good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Dec 2022.

6 Interview Rounds

1

Coding Test Round

A="bala",b="Babu";
Print=A+b
O/p:
balababu

2

Aptitude Test Round

Python is a computer programming language use to build up software and websites designed by Rossum appear in 20 Feb 1991
1.Numpy is a python libraries working with arrays.
2.pandas is used to read the data sets.
3.matplotlib libraries for visualisation.
4.mission learning is divided into two parts.
*Supervised learning
*Unsupervised learning
5.deep learning is used to create artificial neurons.
6.advance excel is used for graphs and calculate the whole members at same time lot of useful things that have.
7mysql is mainly used for store the data.

3

Assignment Round

Python, numpy, pandas, mission learning, deep learning, basic statistics, advance excel, MySQL

4

Case Study Round

Python, numpy, pandas, mission learning, deep learning, basic statistics, advance excel, MySQL

5

One-on-one Round (3 Questions)

  • Q1. Why we use mission learning Mission learning used for analysis the data's and we can able to predict and we add some additional algorithm it's mainly used for p...read more
  • Q2. Deep learning uses: Deep learning Mainly used for creating artificial neurons in the neural network. Deep learning is very aid about the mission how to work and...read more
  • Q3. Statistics: Statistics is used for mathamatics operation and it helps to prediction. Example: We started to calculate how many persons live in between 20to25 ag...read more
6

Group Discussion Round

I don't know idea about group discussion

Interview Preparation Tips

Interview preparation tips for other job seekers - I am fresher in data science so i need to work in IT sector internship first i work that field salary is next and work is first.
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Cognizant Interview FAQs

How many rounds are there in Cognizant Data Scientist interview?
Cognizant interview process usually has 3-4 rounds. The most common rounds in the Cognizant interview process are Technical, Resume Shortlist and HR.
How to prepare for Cognizant Data Scientist 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 Machine Learning, Data Science, Python, R and Artificial Intelligence.
What are the top questions asked in Cognizant Data Scientist interview?

Some of the top questions asked at the Cognizant Data Scientist interview -

  1. Python pandas operation and ML algorithm in details like Random Forest, Logisti...read more
  2. Python basics and Numpy libraries knowledge must ha...read more
  3. Machine learning concepts[Regression and classification] ,Python and Sql Bas...read more

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People are getting interviews through

based on 4 Cognizant interviews
Recruitment Consultant
Job Portal
Campus Placement
Company Website
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Moderate Confidence means the data is based on a sufficient number of responses received from the candidates
Cognizant Data Scientist Salary
based on 536 salaries
₹ 10.1 L
₹ 2.5L ₹ 30L
At par with the average Data Scientist Salary in India
View more details

Cognizant Data Scientist Reviews and Ratings

based on 37.3k reviews

3.7

Rating in categories

 4.0

Skill development

 3.8

Work-Life balance

 3.6

Salary & Benefits

 3.5

Job Security

 3.9

Company culture

 3.2

Promotions / Appraisal

 3.5

Work Satisfaction

Reviews
Explore 37.3k Reviews and Ratings
Data Scientist
Hyderabad/Secunderabad

2-7 Yrs

₹ 5-16.2 LPA

Data Scientist- Model Ops
Bengaluru/Bangalore, Hyderabad/Secunderabad

2-5 Yrs

₹ 3-22 LPA

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