Data Engineering Intern, Summer 2025 – Prague, Czech Republic

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 Engineering Intern, Summer 2025 – Prague, Czech Republic

Overview   
Mastercard works to connect and power a sustainable and inclusive global economy. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless®. We ensure every employee has opportunity to be a part of something bigger and to change lives. We believe in connecting everyone to endless, priceless possibilities.  
  
About the Team  
Data Engineers are fundamental to the success of our client engagements by acting as the bridge between raw client data and Mastercard's software. Data Engineers work closely with both Consultants while working on consulting engagements and Software Development Engineers while working to develop internal capabilities. Data Engineers are responsible for:  
Designing processes to extract, transform, and load (ETL) terabytes of data into Mastercard's analytics platform  
Sourcing data from clients, government and other third-party data sources, and Mastercard's transaction data warehouse  
Working across multiple teams, both internal and external, to determine the data requirements and business logic applicable to each data set  
Tackling big data problems across various industries  
  
Internship Program  
Mastercard’s summer internship program provides emerging talent with projects that will enhance skills as well as contribute to the department’s goals and objectives. In this program, you will participate in:  
Networking events, mentorship opportunities, and hear from senior leaders  
Volunteer and team building opportunities  
Formal performance assessments  
End-of-summer presentations to peers and Mastercard leadership  
  
Role Description  
As a Data Engineer Intern, you will be involved with:  
Strategic problem solving with exceptional peers who are also passionate about data  
Creative freedom to innovate with new technologies and to explore a variety of solutions  
Staffing on external-facing consulting projects where you will have the opportunity to work directly with clients  
Flexibility to work on many new and challenging projects across diverse industries  
A dynamic environment where you will have an impact and make an immediate difference  
An immediate opportunity for increased responsibility, leadership, and professional growth  
Committed mentoring and training by an experienced and driven leadership team  
Cross-functional collaboration with others throughout Mastercard   
  
Qualifications  
Currently enrolled in a bachelor’s degree program in a quantitative field (e.g., Computer Science, Statistics, Econometrics, Engineering, Mathematics, Operations Research, Finance, Accounting, General Business).
Hands-on experience with SQL, ETL process, SQL, SSIS, and/or relation databases  
Desire to work with data and help businesses make better data-driven decisions  
Excellent written and verbal communication skills  
Strong troubleshooting and problem-solving capabilities  
Demonstrated analytical and quantitative skills  
Additional Skills: 
Knowledge of at least one programming language

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.