About the role#
As a Software Engineer Intern for Summer 2027, you will join an engineering team to work on live systems and products. This is a full-time, paid internship where you will gain experience building scalable and secure technology used on a global scale. You will work alongside experienced engineers to contribute to business priorities while building your professional network.
What you'll do#
- Write clean, efficient, and maintainable code using modern programming languages.
- Support the design, development, and testing of software features.
- Write automated tests to verify code behavior.
- Participate in code reviews, team discussions, and agile ceremonies.
- Troubleshoot issues and debug code to support system enhancements.
- Collaborate with product managers, designers, and other engineers to deliver solutions.
- Apply secure coding practices while learning how enterprise software is maintained.
What you'll need#
- Currently pursuing a Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Mechanical Engineering, or Mathematics, with a graduation date of December 2027 or later.
- Basic understanding of programming languages such as Java, Python, C++, or JavaScript.
- A strong foundation in data structures, algorithms, and core computer science concepts.
- Familiarity with version control tools like Git.
- Interest in software testing, debugging, and solving technical problems.
- Ability to work in the United States without employer sponsorship.
- Please upload an unofficial copy of your school transcript with your application.
Location & details#
- Locations: O'Fallon, MO; Arlington, VA; Atlanta, GA; New York City, NY.
- Work Modality: On-site.
- Term: Summer 2027.
- Compensation: $35-$46 hourly.
About Mastercard
Mastercard operates in the IT services and consulting sector. It provides digital payment options for individuals, businesses, and governments across more than 200 countries and territories. The company focuses on transaction security and mobile payment solutions. It is a public company based in Purchase, New York, with a workforce exceeding 10,000 employees.
How to get in at Mastercard
Securing an internship at Mastercard requires timing. Because the applicant pool is large, Intern Insider sends an instant alert the moment a role matching your target is published anywhere. This helps you apply among the first, as early applicants get seen before the pile grows. You should prioritize speed to ensure your application is reviewed early in the process. Beyond timing, reaching out to the right people matters. Intern Insider surfaces the recruiters behind the company's roles so you can reach out directly to ask about the role or a referral. This direct connection materially improves response rates compared to submitting through a general portal.
