INTERNSHIP DETAILS

Data Scientist Intern, Summer 2027 – St. Louis, MO, US

CompanyMastercard
LocationO'fallon
Work ModeOn Site
PostedSeptember 2, 2026
Internship Information
Core Responsibilities
The intern will design and build processes for network execution and delivery while aggregating operational metrics to support informed decision-making. They will also collaborate with stakeholders to drive operational improvements and participate in special projects to enhance network program excellence.
Internship Type
full time
Salary Range
$27 - $34
Company Size
52525
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building 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 Role

Our Purpose

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.

Title and Summary

Data Scientist Intern, Summer 2027 – St. Louis, MO, US

Why join Mastercard’s internship program?
Mastercard's internship program offers more than hands-on work. It provides an opportunity to build skills, expand your network, and make a meaningful impact while working on projects that support business priorities. It provides an opportunity to build skills, expand your network, and make a meaningful impact while working on projects that support business priorities.

About the team:
Build and deliver sustainable Tooling. Process, and Practice discipline across the Network oganization that enables best-in-class Portfolio Management, Organizational Reporting, Budget Management, Business Governance, and Delivery Execution.
Objectives
1 - Design and build best-in-class processes and tooling for execution and tracking of Network Execution and Delivery (BAU and Change) - ensuring adherence / supporting relevant compliance and auditability measures
2 - Aggregate and streamline 'observability' of the Network Programs "Book of Work' including Program Execution, Operational Metrics, and Capacity Planning - leveraging accurate, timely data to ensure awareness and informed decisioning by Senior Management. Leverage data across network teams to drive operational improvement and accountability
3 - Coach, develop, and mentor team members in Program, Process, and Analytical disciplines with techniques that enable us to move faster, more effectively, and deliver better services and capabilities to the Network organization
4 - Build effective partnerships across Networks Program, and stakeholders in ONE and the business - ensuring our team becomes trusted advisors and contributors across stakeholders, initiatives, and teams
5 - Execute and Deliver 'special projects' as needed that drive operational excellence the Network Program.
6 - Promote individual development, visibility, and skill growth through training, skill enhancement, and meaningful, visible projects across Network for each member of the team

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 through coursework, internships, or academic projects in data modeling, data transformation, and data analysis.
- Ability to organize and structure data into meaningful insights and compelling business narratives.
- Hands-on experience with data visualization and reporting tools such as Power BI
- Proficient Python, SQL is a strong plus.
- Familiarity with Microsoft Power Platform tools, including Dataverse and Power Automate.
- Demonstrated leadership, project management, or team collaboration experience through academic, extracurricular, or internship activities.
- 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. For example, students or recent graduates in the United States on an F1 visa (including those with CPT or OPT authorization) are not eligible for this role. 

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

Many of our interns continue building their careers with Mastercard through full-time opportunities, early career programs, or future internships.

Compensation: $27-34/hr

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

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.




Key Skills
Data modelingData transformationData analysisData visualizationPower BIPythonSQLMicrosoft Power PlatformDataversePower AutomateProject managementTeam collaborationAnalytical disciplinesOperational metricsCapacity planning
Categories
Data & AnalyticsTechnologySoftwareFinance & Accounting
Benefits
Paid Sick and Safe TimeJury duty leaveOn-site fitness facilities