Api Developer Intern Jobs in Missouri (NOW HIRING)

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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

Platform Engineering Intern, Summer 2027 - St. Louis, MO, USWhy join 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:
The Kubernetes Engineering team is responsible for designing, operating, and modernizing Mastercard's enterprise Kubernetes platform, supporting approximately 500 Amazon EKS and Azure AKS clusters across multiple global regions. This team enables the infrastructure that powers a global payments network, driving initiatives such as GitOps-based deployments with Argo CD, cloud-agnostic networking solutions using Kubernetes Gateway API, policy-driven security and compliance automation, platform onboarding for new business units, and fleet-wide observability and cost optimization. Team members work across a broad technology stack, including Kubernetes, AWS, Azure, infrastructure-as-code, container networking, cloud security, CI/CD pipelines, and distributed systems.
As a Platform Engineering Intern, you will contribute to meaningful, real-world engineering projects that enhance platform scalability, reliability, automation, and developer experience. You will gain hands-on experience with industry-leading technologies such as Kubernetes, AWS, Azure, GitOps, Helm, and infrastructure-as-code while collaborating with engineers who operate one of the largest Kubernetes environments in the financial services industry. This internship provides a unique opportunity to develop highly sought-after cloud-native engineering skills and make a direct impact on systems that support billions of transactions worldwide.
What we're looking for:
- Currently enrolled in a Bachelors degree, with an anticipated graduation date between December 2027 and June 2028
- Exposure to or foundational knowledge of cloud computing platforms such as AWS, Microsoft Azure, or Google Cloud Platform (GCP).
- Understanding of containerization technologies, including Kubernetes, Docker, and container-based application deployment.
- Familiarity with Infrastructure-as-Code (IaC) and automation tools such as Terraform, Ansible, Jenkins, or similar technologies.
- Basic knowledge of Linux operating systems, including command-line navigation, system administration, and troubleshooting.
- Strong interest in cloud infrastructure, platform engineering, automation, and modern DevOps practices.
- This role is not eligible for Mastercard's work authorization sponsorship. As such, candidates must be eligible to work in the United States, now as well as in the future, without employer sponsorship.For example, students or recent graduates in the United States on an F1 visa(including those with CPT or OPT authorization) are not eligible for this role
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.
Compensation: $25-30/hrMastercard 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 reasonable_accommodation@mastercard.com 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.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.