Walmart Data Scientist Interview Questions – Updated 2023
Walmart Data Scientist Interview Questions – We interviewed a couple of folks working as a Data scientists at Walmart. According to them the interview will be quite technical in nature with a lot of emphasis on ML and Python. SQL questions are also asked(not more than 4-5). You can practice the questions below to get yourself familiar with Walmart Data Scientist Interview Questions
Role – Data Scientist
Location – Gurgaon, India
Salary of Anlaytics jobs in Amazon,Flipkart,Myntra,OYO,Housing
Complete 30 Days Roadmap to crack Data Analyst Interview
Zomato Business Analyst Interview Questions
Round 1 – Technical
Topics covered – Coding
Mode of interview – Hackerrank
Duration – 45 Minutes
Level of Questions – Easy
A few questions from this round:
Print all the branches in a binary tree
Join two sorted arrays
Round 2 – Technical Round
Topics covered – probability and statistics and big data questions
Mode of interview – Hangout
Duration – 1 hour
Level of Questions – Medium
What is the difference between Gradient Boosting and Random Forest?
What are the different types of Sampling methods that you have used?
Explain the difference between bagged and boosting models.
What is cross entropy?
What is multi-collinearity, how do you fix it in a regression?
What is the significance of log odds?
Give some problems or scenarios where map-reduce concept works well and where it doesn’t work.
Given a dataset having employee id and manager id find the employees who are also managers ?
A person is using search engine to find something, you know nothing about her/him, how do you come up with am algorithm that will predict what she/he needs after the user types only a few letters ?
Round 3- Technical
Topics- Machine learning
Mode of Interview- Hangout
Duration – 1 hour
Level of questions- Medium
A few questions from this round:
Let’s say we want to build a model to predict booking prices on Airbnb. Between linear regression and random forest regression, which model would perform better and why?
Generally, what happens to bias & variance as we increase the complexity of the model?
What is the intuition behind F1 score?
Describe how you would build a model to predict Uber ETAs after a rider requests a ride.
Round 4 – HR
Topics covered -Experience
Mode: Telephone Call
Duration – 1 hour
Level of Questions – Mostly on projects
Some questions on past projects, ability to lead a team and previous responsibilities were discussed.
Offer was released in 3-4 days after the Hiring Manager round
Walmart Data Scientist Interview Questions
The Data Monk services
We are well known for our interview books and have 70+ e-book across Amazon and The Data Monk e-shop page . Following are best-seller combo packs and services that we are providing as of now
- YouTube channel covering all the interview-related important topics in SQL, Python, MS Excel, Machine Learning Algorithm, Statistics, and Direct Interview Questions
Link – The Data Monk Youtube Channel - Website – ~2000 completed solved Interview questions in SQL, Python, ML, and Case Study
Link – The Data Monk website - E-book shop – We have 70+ e-books available on our website and 3 bundles covering 2000+ solved interview questions. Do check it out
Link – The Data E-shop Page - Instagram Page – It covers only Most asked Questions and concepts (100+ posts). We have 100+ most asked interview topics explained in simple terms
Link – The Data Monk Instagram page - Mock Interviews/Career Guidance/Mentorship/Resume Making
Book a slot on Top Mate
The Data Monk e-books
We know that each domain requires a different type of preparation, so we have divided our books in the same way:
1. 2200 Interview Questions to become Full Stack Analytics Professional – 2200 Most Asked Interview Questions
2.Data Scientist and Machine Learning Engineer -> 23 e-books covering all the ML Algorithms Interview Questions
3. 30 Days Analytics Course – Most Asked Interview Questions from 30 crucial topics
You can check out all the other e-books on our e-shop page – Do not miss it
For any information related to courses or e-books, please send an email to nitinkamal132@gmail.com
