Missouri Staffing
Software Engineer Intern, Summer 2026 - United States
Missouri Staffing, O Fallon, Missouri, United States, 63366
Software Engineer Intern, Summer 2026
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. 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 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. Qualifications: Currently enrolled in a bachelor's degree program majoring in Computer Science or a related field with a graduation date of December 2026 or beyond 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. 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 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. 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 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. Qualifications: Currently enrolled in a bachelor's degree program majoring in Computer Science or a related field with a graduation date of December 2026 or beyond 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. 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.