Data Scientist Intern, Summer – St. Louis, MO

Data Scientist Intern, Summer 2027

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

About the team:
The ONE Data Strategy team is a core function within Mastercard's ONE Data & Governance organization. Our mission is to deliver a unified operational data strategy and platform, integrating a modern Data Lake and lakehouse-aligned architecture that connects batch, streaming and operational data across multiple platforms. The ONE Data Strategy team serves as both a strategy and delivery organization focused on transforming data into a trusted enterprise asset that powers decision-making, operational efficiency, governance, AI-driven innovation, and future business capabilities.

What we're looking for:

• Currently enrolled in a Bachelors degree in Data Science or a related field, with an anticipated graduation date between December 2027 and June 2028
• Experience with or knowledge of operational data platforms and observability tools, such as AIOps, Splunk, telemetry systems, Dev Ops tools, and Dynatrace
• Experience applying data analytics techniques, including anomaly detection, forecasting, and data engineering
• Proficiency in data visualization and dashboard development using tools such as Power BI, R, Shiny, or Splunk
• Ability to analyze complex datasets and translate insights into actionable business recommendations
• Hands-on experience with machine learning projects, including model development, deployment, or operationalization is a plus
• Familiarity with leveraging telemetry and operational data to identify trends, optimize performance, and support predictive analytics initiatives is a plus
• This role is not eligible for Mastercard's work authorization sponsorship. As such, candidates must be eligible to work in the United States, now as well as in the future, without employer sponsorship.

As an intern, you'll benefit from:

• Mentorship and coaching from experienced professionals and leaders
• Networking opportunities with fellow interns, employees, and senior leaders
• Professional development experiences focused on career growth and skill-building
• Exposure to innovative technologies and global business challenges
• Volunteer, community engagement, and team-building activities

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience.

Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire;

10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.