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Nielsen Interview Questions, Process, and Tips

Updated 24 Feb 2025

Top Nielsen Interview Questions and Answers

View all 61 questions

Nielsen Interview Experiences

Popular Designations

117 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Who do you test your django apps?
  • Ans. 

    I test my Django apps using automated testing tools and manual testing methods.

    • I use Django's built-in testing framework to write unit tests for individual components of the app.

    • I also use tools like pytest and Selenium for automated testing of the app's functionality.

    • I perform manual testing to ensure the app works as expected in real-world scenarios.

    • I use tools like Django Debug Toolbar to identify and fix any perfor

  • Answered by AI
  • Q2. Count the number of vowels in a string.
  • Ans. 

    Count the number of vowels in a given string.

    • Iterate through each character in the string and check if it is a vowel (a, e, i, o, u).

    • Increment a counter for each vowel found.

    • Return the total count of vowels in the string.

  • Answered by AI

Skills evaluated in this interview

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray SumGiven an array of numbers, find the maximum sum of any contiguous subarray of the array. For example, given the array [34, -50, 42, 14, -5, 86], the maximum sum would be 137, since we would take elements 42, 14, -5, and ... read more
View answer (39)
Interview experience
2
Poor
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Third party took the interview. Basics of programming and database were asked.
Round 2 - Technical 

(1 Question)

  • Q1. Asked to build a small game. LLD round.

Senior Software Engineer Interview Questions asked at other Companies

Q1. Nth Prime Number Problem Statement Find the Nth prime number given a number N. Explanation: A prime number is greater than 1 and is not the product of two smaller natural numbers. A prime number has exactly two distinct positive divisors: 1... read more
View answer (1)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Dec 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

It was MCQ in simple aptitude, python and SQL questions

Round 2 - Technical 

(2 Questions)

  • Q1. Python coding and explaination
  • Q2. SQL coding and explaination
Round 3 - Technical 

(1 Question)

  • Q1. Case study based on data understanding
Round 4 - One-on-one 

(1 Question)

  • Q1. Behavioural and questions from my resume

Senior Data Scientist Interview Questions asked at other Companies

Q1. What is the difference between logistic and linear regression?
View answer (4)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Oct 2023. There were 4 interview rounds.

Round 1 - Coding Test 

Sql, python, Statistics mcq, Aptitude test. These were medium level questions.

Round 2 - Technical 

(3 Questions)

  • Q1. SQL and python, time complexity
  • Q2. Make 2 lists a=[1,2,3,4] b=[9,8,5,5,2,3,3,4,1,1,10,9,2,3,4,10,10,9,7,7,8] Write a program to remove duplicate of b and keep only those elements of b which are not present in a, and the final list should ...
  • Ans. 

    Remove duplicates from list b, keep elements not in list a, and sort in ascending order.

    • Create a set from list b to remove duplicates

    • Use list comprehension to keep elements not in list a

    • Sort the final list in ascending order

  • Answered by AI
  • Q3. SQL question Remove duplicate from a table tab1
  • Ans. 

    Use the DISTINCT keyword in SQL to remove duplicates from a table.

    • Use the SELECT DISTINCT statement to retrieve unique rows from the table.

    • Identify the columns that should be used to determine uniqueness.

    • Example: SELECT DISTINCT column1, column2 FROM tab1;

  • Answered by AI
Round 3 - Case Study 

Given 2 case studies on data science and asked different possibilities to improve the models.

How to work with imbalance dataset.
How to remove null values, what is features engineering.
What is PCA
What is the working of XGBOOST

Round 4 - Project discussion 

(1 Question)

  • Q1. What was last project, tell me in detail. There were different technical questions related to my project

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and practice SQL, python, mainly pandas and numpy. Should have good knowledge on time complexity.


All the metrics of evaluating a model.
Linear regression, logestic regression, random forest, decission tree, adaboost, Gradient boosting, XGb in detail.

Recall, precision roc_curve. Auc, f1 score, mse,mae, r2, adjusted r2 score.

Is it possible that r2 score appears in minus

Skills evaluated in this interview

Data Scientist Interview Questions asked at other Companies

Q1. Special Sum of ArrayYou have been given an array/list ‘arr’ of length ‘N’, which contains single digit elements at every index. Your task is to return the sum of all elements of the array. But the final sum should also be a single digit. To... read more
View answer (2)

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Consultant Interview Questions & Answers

user image Anonymous

posted on 19 Oct 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. What is SAP HANA DB?
  • Ans. 

    SAP HANA DB is an in-memory database management system developed by SAP.

    • In-memory database system that stores data in RAM for faster processing

    • Allows real-time data processing and analytics

    • Supports both OLAP and OLTP workloads

    • Used for various applications like data warehousing, CRM, ERP, etc.

  • Answered by AI

Consultant Interview Questions asked at other Companies

Q1. How would you pass an entry for travel expenses incurred and paid by employee and was reimbursed? How would the end to end flow happens
View answer (8)

Get interview-ready with Top Nielsen Interview Questions

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

General python questions

Senior Data Scientist Interview Questions asked at other Companies

Q1. What is the difference between logistic and linear regression?
View answer (4)

Jobs at Nielsen

View all
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

It was good. contains lot of theoretical questions.

Round 2 - Coding Test 

1 hr. asked basic concepts.

Interview Preparation Tips

Interview preparation tips for other job seekers - Go for it.

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (38)
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Coding Test 

Basic ds algo round with questions asked around arrays strings

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare ds algo throughly mostly easy-medium leetcode questions

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (169)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Question based on profile

Round 2 - One-on-one 

(1 Question)

  • Q1. Normal basic introduction , questions related to sports

Interview Preparation Tips

Interview preparation tips for other job seekers - If you are fresher just prepare your intro very well

Credit Specialist Interview Questions & Answers

user image Nooruddin Shabbir Jasdanwala

posted on 6 Dec 2024

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Dec 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

MCQ'S related to process for which you have applied.

Round 2 - One-on-one 

(2 Questions)

  • Q1. Tell about yourself.
  • Q2. Why you have applied for this role ?

Interview Preparation Tips

Interview preparation tips for other job seekers - Na

Credit Specialist Interview Questions asked at other Companies

Q1. What is Wholesale lending
View answer (1)

Nielsen Interview FAQs

How many rounds are there in Nielsen interview?
Nielsen interview process usually has 2-3 rounds. The most common rounds in the Nielsen interview process are Technical, One-on-one Round and Aptitude Test.
How to prepare for Nielsen 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 Python, SQL, Social Media Marketing, Communication Skills and Computer Science.
What are the top questions asked in Nielsen interview?

Some of the top questions asked at the Nielsen interview -

  1. If one set of bat and ball together cost Rs.110 , the bat costs Rs. 100 more th...read more
  2. Given 3 days to calculate the number of Paan and Beedi shops in Mumbai, what wi...read more
  3. What is the difference between market research and marketing resear...read more
How long is the Nielsen interview process?

The duration of Nielsen interview process can vary, but typically it takes about less than 2 weeks to complete.

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Nielsen Interview Process

based on 100 interviews

Interview experience

3.8
  
Good
View more

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Nielsen Reviews and Ratings

based on 919 reviews

3.7/5

Rating in categories

3.3

Skill development

3.8

Work-life balance

3.3

Salary

3.4

Job security

3.7

Company culture

2.9

Promotions

3.4

Work satisfaction

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