Skip to contentSkip to footer
  • Community
  • Jobs
  • Companies
  • Salaries
  • For employers
      Notifications

      Loading...

      Elevate your career

      Discover your earning potential, land dream jobs, and share work-life insights anonymously.

      employer cover photo
      employer logo
      employer logo

      Mastercard

      Engaged employer

      About
      Reviews
      Pay and benefits
      Jobs
      Interviews
      Interviews
      Related searches: Mastercard reviews | Mastercard jobs | Mastercard salaries | Mastercard benefits | Mastercard conversations
      Mastercard interviewsMastercard Data Scientist interviewsMastercard interview


      Glassdoor

      • About / Press
      • Awards
      • Blog
      • Research
      • Contact Us
      • Guides

      Employers

      • Free Employer Account
      • Employer Centre
      • Employers Blog

      Information

      • Help
      • Guidelines
      • Terms of Use
      • Privacy and Ad Choices
      • Do Not Sell Or Share My Information
      • Cookie Consent Tool
      • Security

      Work With Us

      • Advertisers
      • Careers
      Download the App

      • Browse by:
      • Companies
      • Jobs
      • Locations
      • Communities
      • Recent posts

      Copyright © 2008-2026. Indeed, Inc. "Glassdoor," "Worklife Pro," "Bowls" and logo are proprietary trademarks of Indeed, Inc.

      Company Bowl sample

      Want the inside scoop on your own company?

      Check out your Company Bowl for anonymous work chats.

      Bowls

      Get actionable career advice tailored to you by joining more bowls.

      Followed companies

      Stay ahead in opportunities and insider tips by following your dream companies.

      Job searches

      Get personalised job recommendations and updates by starting your searches.

      Data Scientist Interview

      25 July 2023
      Anonymous interview candidate
      No offer
      Positive experience
      Easy interview

      Application

      I applied online. I interviewed at Mastercard

      Interview

      Understand the Tech Stack: You should have a clear understanding of the tech stack mentioned by the team. Make sure you're comfortable using the tools in the Python data stack, especially numpy, pandas, scikit-learn, scipy, statsmodels. If you're not familiar with any of these, take some time to practice. SQL and Data Analysis: The team uses SQL for data analysis, so ensure your SQL skills are sharp. You should be able to write complex queries and understand how to analyze data using SQL. Spark: Familiarize yourself with both PySpark and Scala Spark for data transformations. AWS Services: Brush up on your knowledge and understanding of AWS services, especially AWS Sagemaker, OpenSearch, Athena, Step Functions, EMR, and S3. If possible, try to get hands-on experience with these services. Understand the Projects: The projects mentioned provide a good indication of what you will be working on. Do some research to understand the technologies and methodologies used in similar projects. Data Literacy and Analysis: You should be able to demonstrate your experience in analyzing and transforming data, identifying data quality issues, testing hypotheses, and building models. Python and SQL Best Practices: You'll want to display a high level of fluency in Python and SQL, conforming to best practices. This means writing clean, efficient, and well-documented code. Soft Skills: A focus on teamwork, problem-solving abilities, and willingness to learn are key soft skills required for this role. Be prepared to provide examples of how you've demonstrated these skills in the past. Communication Skills: You should be able to articulate your analytical results and modelling approaches clearly to a wide range of audiences. Practice explaining complex concepts in simple, understandable terms.

      Interview questions [1]

      Question 1

      i don't remember the question.
      Answer question
      8

      Other Data Scientist interview reviews for Mastercard

      Data Scientist I Interview

      25 Feb 2026
      Anonymous interview candidate
      Dublin, Dublin
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Mastercard (Dublin, Dublin)

      Interview

      The interview panel was easy to interact with, focusing on situation based scenarios and a few technical questions that tested practical understanding rather than deep theoretical knowledge and real-world application.

      Interview questions [1]

      Question 1

      they asked me about machine learning techniques
      Answer question

      Data Scientist Interview

      9 May 2025
      Anonymous employee
      Accepted offer
      Positive experience
      Average interview

      Application

      I interviewed at Mastercard

      Interview

      First step is a phone interview with HR, next two steps are technical interviews with business case and test on programming languages, last one is a final interview to align on culture and values of the company

      Interview questions [1]

      Question 1

      Explain project on Customers segmentation
      Answer question

      Data Scientist Interview

      5 Aug 2025
      Anonymous interview candidate
      Gurgaon, Haryana
      No offer
      Neutral experience
      Average interview

      Application

      I applied through university. I interviewed at Mastercard (Gurgaon, Haryana) in Apr 2025

      Interview

      Asked DSA questions and then some loss functions. How they were derived. Asked about gradient descent. Also gave situations and asked how would you approach this problem what will you use some shortcomings etc.

      Interview questions [1]

      Question 1

      They asked about log loss function and why use log.
      Answer question
      1