Intern, Software Engineering

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

Intern, Software Engineering

We are the global technology company behind the world’s fastest payments processing network. We are a vehicle for commerce, a connection to financial systems for the previously excluded, a technology innovation lab, and the home of Priceless®. At Mastercard, we believe that as our company grows, so should you. We ensure every employee has the opportunity to make an impact and be part of something bigger, connecting everyone to endless, priceless possibilities.

The Mastercard Software Engineering Internship Program in Portugal is a 10-week summer program designed for students who want hands-on experience building innovative, secure, and scalable technology solutions. Starting in June 2026, interns will work alongside our engineering teams to contribute to real-world projects across areas such as APIs, cloud technologies, distributed systems, cybersecurity, and full-stack development.

As an intern, you will take on meaningful technical assignments that help develop your engineering capabilities while contributing directly to Mastercard’s global technology ecosystem.

Program Components:

• Engineering-focused projects that deliver real business impact
• Networking sessions and leadership speaker series
• Volunteer initiatives and team-building activities

Program Qualifications:

• Graduation date of summer 2027
• Available for a 10-week internship starting June 2026
• Strong academic performance in Computer Science, Software Engineering, Information Technology, Computer Engineering, or related technical fields
• Interest in software development, problem-solving, and building high-quality technology solutions
• Ability to collaborate effectively across teams in a global environment
• Strong communication and analytical skills


• IMMIGRATION STATEMENT IF NEEDED

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.