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

Mastercard powers digital payments and supports secure, accessible transactions worldwide. The Data Scientist Intern will support Network organization initiatives by developing data models, transformations, analyses, visualizations, reporting tools, and business insights while contributing to process improvement, operational excellence, and cross-functional projects.

What you'll do:

• 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
• 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
• 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
• 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
• Execute and Deliver 'special projects' as needed that drive operational excellence the Network Program
• Promote individual development, visibility, and skill growth through training, skill enhancement, and meaningful, visible projects across Network for each member of the team
• 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

What they'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
• SQL is a strong plus

Benefits:

• 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
• 56 hours of Paid Sick and Safe Time
• Jury duty leave
• On-site fitness facilities in some locations