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Nielsen Senior Data Scientist Interview Questions and Answers
Updated
22 Oct 2024
2 interviews found
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Anonymous
Interview experience
Excellent
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Selected
I applied via Recruitment Consulltant and was interviewed in Dec 2023.
4 Interview Rounds
1
Aptitude Test Round
It was MCQ in simple aptitude, python and SQL questions
2
Technical Round (2 Questions)
- Q1. Python coding and explaination Add Answer
- Q2. SQL coding and explaination Add Answer
3
Technical Round (1 Question)
- Q1. Case study based on data understanding Add Answer
4
One-on-one Round (1 Question)
- Q1. Behavioural and questions from my resume Add Answer
Darshil Gohel
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
Coding Test Round
General python questions
Top trending discussions
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Interview Tips & Stories
2w (edited)
a consultant
Alternate documents for Employee verification?
My new employer asked for my previous offer letters and salary slips. When I inquired, they said it was for background verification.
However, I feel that providing these documents might affect salary negotiations, and it feels a bit unethical too.
What alternative documents can I provide for employment verification?
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Interview questions from similar companies
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
Technical Round (2 Questions)
- Q1. Gen AI projects Add Answer
- Q2. Architecture of projects I worked Add Answer
Interview experience
Excellent
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via Recruitment Consulltant and was interviewed in Apr 2024.
1 Interview Round
1
Coding Test Round
SQL, Python coding …
Mahalakshmi Subramanian
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
I applied via Campus Placement
1 Interview Round
1
Aptitude Test Round
It was brain teasing and more of stats
Interview experience
Average
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
-
I applied via Company Website and was interviewed in Aug 2024.
1 Interview Round
1
One-on-one Round (2 Questions)
- Q1. Explain the RAG pipeline? View Answers (1)
- Q2. Explain Confusion metrics View Answers (1)
Skills evaluated in this interview
Interview experience
Bad
Difficulty level
-
Duration
-
Result
-
3 Interview Rounds
1
Aptitude Test Round
DSA and ML, AI, Coding question
2
One-on-one Round (1 Question)
- Q1. Case study which was easy Add Answer
3
One-on-one Round (1 Question)
- Q1. In depth questions on ML Add Answer
Interview experience
Average
Difficulty level
-
Duration
-
Result
-
2 Interview Rounds
1
Coding Test Round
Difficult To solve in 30 minutes
2
Technical Round (1 Question)
- Q1. Python libraries pandas sql Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - Be Confident
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Selected
I was interviewed before May 2023.
3 Interview Rounds
1
Technical Round (1 Question)
- Q1. Model performance metrics Add Answer
2
Technical Round (1 Question)
- Q1. Xgboost technical details Add Answer
3
Case Study Round
Insurance customer acquisition
Interview Preparation Tips
Interview preparation tips for other job seekers - Good conceptual understanding of basic ML algorithms. And basic coding skills for python and SQL
Interview experience
Excellent
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via Company Website and was interviewed in Sep 2024.
2 Interview Rounds
1
Aptitude Test Round
Basic mathematical and resoning questions.
2
Personal Interview Round (4 Questions)
- Q1. Tell me about your self Add Answer
- Q2. Explain the recent project View Answers (1)
- Q3. What is the difference between random forest and decision tree View Answers (1)
- Q4. What is cost function View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - All the above questions is based upon the project what i have explained
Nielsen Interview FAQs
How many rounds are there in Nielsen Senior Data Scientist interview?
Nielsen interview process usually has 2-3 rounds. The most common rounds in the Nielsen interview process are Technical, Aptitude Test and One-on-one Round.
How to prepare for Nielsen Senior 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 Nielsen. The most common topics and skills that interviewers at Nielsen expect are Data Science, Deep Learning, Machine Learning, NLP and Neural Networks.
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