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

MasterCard; O’Fallon (MO); On-site; USD 28,000 - 41,000; Full time

Benefits offered by this job

56 hours Paid Sick and Safe Time

Jury duty leave

On-site fitness facilities

Job summary

Mastercard is offering a Data Scientist Intern position in St. Louis, MO for Summer 2027. You will contribute to the ONE Data Strategy team, helping transform data into a trusted enterprise asset that informs decision-making and drives operational efficiency.

You will apply analytics techniques, build dashboards with tools like Power BI, and collaborate on machine learning projects while receiving mentorship and networking opportunities with leaders across the organization.

Qualifications

• Pursuing a Bachelor's degree in Data Science or a related field with graduation between 2027 and 2028.
• Experience with data analytics methods such as anomaly detection and forecasting.
• Ability to translate complex data into actionable business recommendations using visualization tools.

Skills

AIOps

Splunk

Telemetry

DevOps tools

Dynatrace

Anomaly detection

Forecasting

Data engineering

Power BI

R

Shiny

Education

Bachelor's degree in Data Science or related field

Tools

Power BI

R

Shiny

Splunk

Job description

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

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, DevOps 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.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.

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 [e-mail] 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.

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
• on‑site fitness facilities in some locations

Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.