Mastercard is offering a Software Engineer Intern position for Summer 2027 in the United States. You will join a Software Engineering team that designs, builds, and optimizes high-performing, scalable software using cloud platforms, AI frameworks, and secure blockchain technologies. As an intern, you will contribute to live systems, write clean, maintainable code in modern languages, support design, development, and testing of software features, write automated tests, and participate in code reviews, team discussions, and agile ceremonies. You will collaborate with product managers, designers, and engineers to deliver solutions and gain exposure to enterprise software development at global scale. Responsibilities may include debugging, troubleshooting, and learning secure coding practices. The program emphasizes mentorship, networking, professional development, and exposure to innovative technologies and global business challenges. Location options include Arlington, VA and O’Fallon, MO (on-site). Pay ranges vary by location: Arlington, VA: $35–$46/hr USD; O’Fallon, MO: $27–$34/hr USD. Applicants should upload an unofficial copy of their school transcript when applying. This role is not eligible for Mastercard’s work authorization sponsorship; candidates must be eligible to work in the United States without employer sponsorship (F‑1 visa CPT/OPT are not eligible). Mastercard benefits and compensation reflect the location and role.

Mastercard is offering a Software Engineer Intern position for Summer 2027 in the United States. You will join a Software Engineering team that designs, builds, and optimizes high-performing, scalable software using cloud platforms, AI frameworks, and secure blockchain technologies. As an intern, you will contribute to live systems, write clean, maintainable code in modern languages, support design, development, and testing of software features, write automated tests, and participate in code reviews, team discussions, and agile ceremonies. You will collaborate with product managers, designers, and engineers to deliver solutions and gain exposure to enterprise software development at global scale. Responsibilities may include debugging, troubleshooting, and learning secure coding practices. The program emphasizes mentorship, networking, professional development, and exposure to innovative technologies and global business challenges. Location options include Arlington, VA and O’Fallon, MO (on-site). Pay ranges vary by location: Arlington, VA: $35–$46/hr USD; O’Fallon, MO: $27–$34/hr USD. Applicants should upload an unofficial copy of their school transcript when applying. This role is not eligible for Mastercard’s work authorization sponsorship; candidates must be eligible to work in the United States without employer sponsorship (F‑1 visa CPT/OPT are not eligible). Mastercard benefits and compensation reflect the location and role.