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MasterCard Senior Data Scientist Interview Questions and Answers for Experienced
MasterCard Senior Data Scientist Interview Experiences for Experienced
1 interview found
Anonymous
I applied via LinkedIn and was interviewed in Apr 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Basic Question on Machine Learning Algorithms.
- Q2. End to End project that is mostly focused on Scaling up and deployment purposes
(1 Question)
- Q1. Company fit and expectations of Compensation etc.
- Ans.
Company fit is crucial for long-term success. Compensation expectations should align with industry standards and experience.
Research the company culture and values to ensure alignment with personal values and work style.
Understand the company's expectations for the role and how your skills and experience can meet or exceed them.
Discuss compensation openly and transparently, considering industry standards, your experien...
Senior Data Scientist Jobs at MasterCard
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AKASH KUMAR SINGH
I applied via Campus Placement and was interviewed in Dec 2016. There were 6 interview rounds.
Interview Questionnaire
4 Questions
- Q1. For this round he gave me lot of problems and asked to develop optimal algorithm to solve that. Problems were mainly on trees and number sequences
- Q2. In this round he mainly discussed my projects and asked me how these can be put to use in Paypal. He also asked some basic questions from ML
- Q3. HR round was just for formality
- Q4. Probability , question on calculating expected number of trials and puzzles
Interview Preparation Tips
Experience: The coding question was:
Given a binary string containing 0's and 1's. You can split the string such that each partition should be a exponential of 5 (1,5,25,625...). You were asked to return minimum number of partition for the given string such each partition is exponential of 5. If no such partition exists return -1.
Examples: '101101101' Ans: 3 (101, 101, 101)
'111' Ans: 3 (1,1,1)
10101 Ans: -1
Tips: For MCQ's prepare DSA, OS and Networking. For DSA you can refer to cormen
For Coding question practice on either geeksforgeeks or from any of the coding platforms like hackerrank
The shortlist was mainly dependent on coding question
Duration: 1 hour 30 minutes
Round: Puzzle Interview
Tips: Do lot of puzzles from heard on the street, -----/ , Try to search for more. It will be helpful in other interviews as well
Round: Technical Interview
Tips: Practice algorithm section from geeksforgeeks. There are lot of standard problems. The given questions were slightly modified version of standard problems
Round: Technical Interview
Tips: For this round you need to be well prepared with your projects and resume.
College Name: IIT Madras
Interview Preparation Tips
Tips: Have a good grasp of DS algo, java, etc.(Here CGPA doesn't matter)
General Tips: Do’s and Don’ts :
1. Be confident and to be confident prepare well.
2. Set the priority of your companies
3. Don't start preparation at end. Don't ignore the content of resume.
Be confident and start preparation as soon as possible.
College Name: IIT Kanpur
(1 Question)
- Q1. Explain the last technically challenging topic that you have worked on. The engineering manager is only interested in self boasting. Without even trying to understand the entire problem statement, they try...
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Sep 2022. There were 4 interview rounds.
Online assesment . 5 coding question in 90 minutes
Hackerrank coding test with paired screen. They give problem we have to write the logic
Again hacker rank code pair. the give problem and have to write logic. this round with staff senior engineer
Interview Preparation Tips
Selected
I applied via LinkedIn and was interviewed before Mar 2022. There were 3 interview rounds.
Online test link given data structures were asked, array problem and string problem
Likewise Double Linked List was also asked
(2 Questions)
- Q1. Spring boot API endpoint description
- Ans.
Spring Boot API endpoint is a URL that exposes the functionality of a web service.
API endpoints are the entry points for the client to access the server's resources.
Spring Boot provides a simple and easy way to create RESTful APIs.
Endpoints can be secured using Spring Security.
Endpoints can be documented using Swagger or Spring REST Docs.
Examples: /users, /products, /orders
- Q2. CI CD pipeline, Docker Kubernetes
Interview Preparation Tips
Be thorough with ur logic and ur skills
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed before Jun 2022. There were 5 interview rounds.
Hacker rank test based on string manipulation questions
(2 Questions)
- Q1. 2nd round will be technical
- Q2. Yes mostly coding and DS questions you can also expect one logical IQ question
(1 Question)
- Q1. This round was mostly behavioural and culture fit round with Manager
(2 Questions)
- Q1. Salary negotiation
- Q2. Notice period discussions
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed in May 2024. There were 3 interview rounds.
I was asked two DSA questions and duration was of one hour.
1. Calculate Sum of edges of LinkedList
2. Given a list of numbers, find out all the pythagorean triplets.
This was also a DSA round for 1 hour and expected to solve two problems (Medium)
This was a system design round for one hour
(1 Question)
- Q1. Basic questions about resume
(2 Questions)
- Q1. Workplace adjustment questions
- Q2. Are you willing to work extra hours
Selected
I applied via Naukri.com and was interviewed before Apr 2023. There were 2 interview rounds.
(3 Questions)
- Q1. Performance tuning
- Q2. Advance sql queries
- Q3. Subqueries in oracle
- Ans.
Subqueries in Oracle are queries nested within another query to retrieve data from multiple tables.
Subqueries can be used in SELECT, INSERT, UPDATE, and DELETE statements.
Subqueries can return a single value, a single row, multiple rows, or a table.
Subqueries can be correlated or non-correlated, depending on whether they reference columns from the outer query.
Example: SELECT * FROM employees WHERE department_id = (SELE...
(2 Questions)
- Q1. Reason for change
- Q2. Situational questions
Skills evaluated in this interview
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MasterCard Senior Data Scientist Interview Process for Experienced
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