As a Software Engineer Intern, you will write high-quality code, be part of a software development team, and gain exposure to various software development phases.
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
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 an opportunity to be a part of something bigger and to change lives. We believe in connecting everyone to endless, priceless possibilities.
About the Team
Mastercard software engineering teams are obsessed with security, reliability, performance, and are driven to deliver solutions that delight our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing payments. Software engineers at Mastercard build the systems that process transactions, analyze data, and detect fraud to gain insight into the direction of the economy on behalf of our customers. We are focused on building simple, safe, and smart solutions that instill trust in every interaction. Our industry expertise is enhanced by our commitment to being a force for good in the world and to doing well by doing good. Your summer experience will build on your business skills and contribute to the company's goals and objectives.
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 hearing from senior leaders• Volunteer and team building opportunities.• Formal performance assessments• End-of-summer presentations to peers and Mastercard leadership.
Role Description
As a Software Engineer Intern, you will:• Be a member of a high-performing team of software development professionals.• Write high-quality code with a focus on security, design, and maintainability.• Be exposed to various phases of software development from design through rollout.
Note: specific responsibilities and development tools/languages used will vary based on team placement.
Qualifications• Currently enrolled in a bachelor's degree program majoring in Computer Science or a related field with a graduation date of Spring 2027• Exposure to algorithms, data structures, and core computer science concepts• Proficiency in one or more programming languages such as Java, JavaScript, C#, Python, etc.• Exposure to automated tests to verify code correctness and expected behavior.• Knowledge of source control management (e.g., git), deployment, and task management tools.• Strong analytical and excellent problem-solving skills and familiar with the role of debugging tools and information which diagnose issues such as stack traces, memory profiling, code tracing, etc.
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 [email protected] 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.
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:
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
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 an opportunity to be a part of something bigger and to change lives. We believe in connecting everyone to endless, priceless possibilities.
About the Team
Mastercard software engineering teams are obsessed with security, reliability, performance, and are driven to deliver solutions that delight our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing payments. Software engineers at Mastercard build the systems that process transactions, analyze data, and detect fraud to gain insight into the direction of the economy on behalf of our customers. We are focused on building simple, safe, and smart solutions that instill trust in every interaction. Our industry expertise is enhanced by our commitment to being a force for good in the world and to doing well by doing good. Your summer experience will build on your business skills and contribute to the company's goals and objectives.
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 hearing from senior leaders• Volunteer and team building opportunities.• Formal performance assessments• End-of-summer presentations to peers and Mastercard leadership.
Role Description
As a Software Engineer Intern, you will:• Be a member of a high-performing team of software development professionals.• Write high-quality code with a focus on security, design, and maintainability.• Be exposed to various phases of software development from design through rollout.
Note: specific responsibilities and development tools/languages used will vary based on team placement.
Qualifications• Currently enrolled in a bachelor's degree program majoring in Computer Science or a related field with a graduation date of Spring 2027• Exposure to algorithms, data structures, and core computer science concepts• Proficiency in one or more programming languages such as Java, JavaScript, C#, Python, etc.• Exposure to automated tests to verify code correctness and expected behavior.• Knowledge of source control management (e.g., git), deployment, and task management tools.• Strong analytical and excellent problem-solving skills and familiar with the role of debugging tools and information which diagnose issues such as stack traces, memory profiling, code tracing, etc.
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 [email protected] 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.
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.
Top Skills
C#
Git
Java
JavaScript
Python
Mastercard Boston, Massachusetts, USA Office
Our downtown Boston office is strategically located in the financial district, a short walk from South Station - one of the busiest transportation center in New England - and the Seaport District - a bustling, waterfront neighborhood and the tech hub of the city.
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What you need to know about the Boston Tech Scene
Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.
Key Facts About Boston Tech
- Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
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- Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
- Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories

