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based on 41.9k Reviews

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Cognizant Data Scientist Interview Questions, Process, and Tips

Updated 16 Feb 2024

Top 2 Cognizant Data Scientist Interview Questions and Answers

Curated by AmbitionBox

11 Cognizant Data Scientist Interview Experiences

17 questions found

Sort by: Popular

Data Scientist Interview Questions

user image Anonymous

posted on 16 Feb 2024

Interview experience
Rating 4
Good
Difficulty level
Easy
Duration
2-4 weeks
Result
Selected Selected

I was interviewed before Feb 2023.

3 Interview Rounds

1

Aptitude Test Round

First round was mcq which has common statistics and ml questions

2

Technical Round (3 Questions)

3

HR Round (1 Question)

  • Q1. This was just a document verification round with formal hr questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and crack it

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

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
  • Regression
  • SQL
  • Algorithms
  • Azure
  • Cloud
  • Hadoop
  • Hive
  • Power Bi

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
  • Predictive Modeling
  • SCALA
  • Spark
  • Statistical Programming
  • Statistics
  • Machine Learning
  • Data Science
  • Python

Cognizant interview questions for designations

Associate Data Scientist

 (1)

Senior Data Analyst

 (2)

Data Science Engineer

 (1)

Data Analyst Intern

 (1)

Big Data Analyst

 (1)

Business Intelligence Developer

 (1)

Clinical Research Associate/Scientist

 (1)

Data Analyst

 (30)

Data Scientist Interview Questions

user image Anonymous

posted on 24 Oct 2023

Interview experience
Rating 3
Average
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Oct 2022.

1 Interview Round

1

Technical Round (2 Questions)

  • Q1. If you have genuine deep learning expereince you will be easily crack the interview. Deep learning analytical question was asked.
  • Q2. Basic deep learning questions

Top skills recommended for Cognizant Data Scientist interview

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

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
  • Azure
  • Cloud
  • Hadoop
  • Hive
  • Power Bi
  • Predictive Modeling
  • SCALA
  • Spark

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
  • Statistical Programming
  • Statistics
  • Machine Learning
  • Data Science
  • Python
  • R
  • Artificial Intelligence
  • Logistic Regression

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
  • NLP
  • Natural Language Processing
  • Regression
  • SQL
  • Algorithms
  • Azure
  • Cloud
  • Hadoop

Data Scientist interview

user image AS Learning

posted on 16 Nov 2021

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
  • Hive
  • Power Bi
  • Predictive Modeling
  • SCALA
  • Spark
  • Statistical Programming
  • Statistics
  • Machine Learning

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
  • Data Science
  • Python
  • R
  • Artificial Intelligence
  • Logistic Regression
  • NLP
  • Natural Language Processing
  • Regression

Cognizant Interview FAQs

How many rounds are there in Cognizant Data Scientist interview?
Cognizant interview process usually has 3 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. Differentiate list and tu...read more
  2. Explain regress...read more
  3. Python pandas operation and ML algorithm in details like Random Forest, Logisti...read more

Tell us how to improve this page.

Interview Process at Cognizant Data Scientist

based on 3 interviews in last 1 year

Interview experience

Rating 3.7
Good

People are getting interviews through

based on 5 Cognizant interviews
Company Website
Recruitment Consultant
Job Portal
Referral
Campus Placement
20%
20%
20%
20%
20%
Moderate Confidence
?
Moderate Confidence means the data is based on a sufficient number of responses received from the candidates
Cognizant Data Scientist Salary
based on 775 salaries

Average annual salary

12.5 Lakhs
₹6.2 L/yr - ₹21 L/yr
24% more than the average Data Scientist Salary in India
View more details

Cognizant Data Scientist Reviews and Ratings

based on 41.9k reviews

3.6

Rating in categories

 3.9

Skill development

 3.5

Work-Life balance

 3.2

Salary & Benefits

 3.3

Job Security

 3.6

Company culture

 3.0

Promotions/Appraisal

 3.3

Work Satisfaction

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