Software Engineer Internship – Summer 2027
mastercard · O'Fallon
Job description
About the role
Mastercard is seeking a Software Engineer Intern for the Summer 2027 term in the United States. The intern will join a high‑performing software engineering team, gaining hands‑on experience building scalable, secure solutions that power global digital payments.
Key responsibilities
- Contribute to live systems and product features as part of an engineering team.
- Write clean, efficient, and maintainable code in modern languages.
- Support design, development, testing, and debugging of software components.
- Develop basic automated tests and apply secure coding practices.
- Participate in code reviews, agile ceremonies, and collaborative discussions with product managers and designers.
Required profile
- Currently pursuing a Bachelor’s degree in Computer Science, Engineering, or a related field, graduating December 2027 or later.
- Fundamental understanding of data structures, algorithms, and core computer‑science concepts.
- Interest in software testing, debugging, and problem solving.
Required skills
- Java
- Python
- C++
- JavaScript
- Version control with Git
What we offer
- Opportunity to build real‑world engineering skills on global‑scale projects.
- Mentorship from experienced engineers and exposure to advanced cloud, AI, and blockchain technologies.
- Network expansion within a leading payments company.
Questions fréquentes
Why are you reporting this job?
Explore further
Salaries, guides and searches in the United States.
Salaries by job title
Apply in 30 seconds
Enter your email to apply. An account will be created automatically.
By continuing, you accept our terms of use.
Already have an account? Login
Published 3 weeks ago
Expires 1 month from now
5 views · 0 interested
Boost your chances
Upload your CV — we will match you with relevant openings.
Analyzing your CV...
mastercard
O'Fallon