Software Engineer Intern, 2027 - Ireland

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

Software Engineer Intern, 2027 - Ireland

Why should I choose 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

Mastercard’s Software Engineering teams design, build, and optimize high-performing, highly scalable software solutions and products for some of the world's top brands. Using advanced cloud platforms, AI frameworks, and secure blockchain technologies, your work will transcend borders, connecting communities and transforming commerce.

What you’ll do

As a Software Engineering Intern, you’ll build foundational engineering skills, contribute to real-world projects, and gain experience working on technology used at a global scale. You’ll collaborate with experienced engineers, contribute to meaningful projects, and gain hands on experience building scalable, secure, and reliable technology. You may:

- Be a part of a real engineering team contributing to live systems and products.

- Contribute to building scalable, high-performance systems used globally

- Write clean, efficient, and maintainable code using modern programming languages

- Support design, development, and testing of software features

- Write basic automated tests to verify code behavior

- Learn and apply secure coding practices

- Participate in code reviews, team discussions, and agile ceremonies

- Collaborate with product managers, designers, and engineers to deliver solutions

- Troubleshoot issues, debug code, and support enhancements

- Gain exposure to how enterprise software systems are built and maintained

Note: responsibilities, projects, tools, technologies and programming languages will vary by team

What we’re looking for

- Currently pursuing a Bachelor’s degree in Computer Science, Software Engineering, or a related field graduating in summer 2028

- Full time availability for a 6 month internship starting in February 2027

- Basic understanding of programming languages such as Java, Python, C++, JavaScript, or similar

- Strong foundation in data structures, algorithms, and core computer science concepts

- Familiarity with version control (e.g., Git)

- Interest in software testing, debugging, and problem solving

- Curiosity, motivation, and a willingness to learn

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.

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.