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Cognizant Data Scientist Interview Questions and Answers

Updated 3 Apr 2024

14 interviews found

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Data Scientist Interview Questions

user image suman dewan

posted on 2 Apr 2024

Interview experience
Rating 4
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Mar 2024.

3 Interview Rounds

1

Technical Round (1 Question)

  • Q1. What is learning factor Assumptions for linear regressoon Model evaluation Bias variance trade off Gradient descent Auc Roc curve Python function writing (strin...read more
2

Technical Round (1 Question)

3

HR Round (1 Question)

Interview Preparation Tips

Topics to prepare for Cognizant Data Scientist interview:
  • Statistics, Python, Machine Learning

Top skills recommended for Cognizant Data Scientist interview

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

Data Scientist Interview Questions

user image Anonymous

posted on 3 Apr 2024

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

I applied via Naukri.com and was interviewed in Oct 2023.

2 Interview Rounds

1

Technical Round (3 Questions)

  • Q1. Discussion on projects mentioned in the Resume
  • Q2. Two Python live coding questions
  • Q3. Few DL, ML, Transformers, and NLP questions Few questions on deployment tools mentioned in the resume
2

HR Round (1 Question)

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

Cognizant interview questions for designations

Associate Data Scientist

 (1)

Senior Data Scientist

 (1)

Senior Data Analyst

 (4)

Data Analyst Intern

 (1)

Data Science Engineer

 (1)

Big Data Analyst

 (1)

Business Intelligence Developer

 (1)

Clinical Research Associate/Scientist

 (1)

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

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

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

Data Scientist Interview Questions

user image RITHESH KUMAR KV

posted on 3 Mar 2024

Interview experience
Rating 5
Very good
Difficulty level
Easy
Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Mar 2023.

3 Interview Rounds

1

Coding Test Round

SQL -- Questions based to window functions,having clause

2

Coding Test Round

Python--simple code to solve certain puzzles

3

HR Round (1 Question)

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

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
  • Data Science
  • Python
  • Artificial Intelligence
  • R
  • 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 2-3 rounds. The most common rounds in the Cognizant interview process are Technical, HR and Resume Shortlist.
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, Artificial Intelligence and R.
What are the top questions asked in Cognizant Data Scientist interview?

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

  1. What is learning factor Assumptions for linear regressoon Model evaluation Bias...read more
  2. Differentiate list and tu...read more
  3. Explain regress...read more

Tell us how to improve this page.

Interview Process at Cognizant Data Scientist

based on 5 interviews in last 1 year

2 Interview rounds

  • Technical Round
  • HR Round
View more

Interview experience

Rating 4
Very Good

Difficulty level

Easy 40%
Moderate 60%

Duration

Less than 2 weeks 40%
2-4 weeks 60%

People are getting interviews through

based on 8 Cognizant interviews
Job Portal
Recruitment Consultant
Referral
Campus Placement
Company Website
37%
12%
12%
12%
12%
15% candidates got the interview through other sources.
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 679 salaries

Average annual salary

11.3 Lakhs
₹4.9 L/yr - ₹18.1 L/yr
21% less than the average Data Scientist Salary in India
View more details

Cognizant Data Scientist Reviews and Ratings

based on 33 reviews

3.8

Rating in categories

 4.0

Skill development

 3.8

Work-Life balance

 3.4

Salary & Benefits

 3.5

Job Security

 3.8

Company culture

 3.1

Promotions/Appraisal

 3.5

Work Satisfaction

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