Description
Mastercard is hiring a Software Engineer II for its Core Payments organization in O'Fallon, Missouri. The role covers the full software development lifecycle, including designing, developing, testing, deploying, and supporting secure and scalable payment applications and services. Responsibilities include translating business requirements into technical solutions, contributing to architecture and design, writing secure code, participating in code reviews, developing automated tests, troubleshooting, optimizing performance and reliability, using CI/CD and source control, and collaborating with Product and engineering stakeholders. The posting states that Mastercard intends to fill the position by 12/21/2026 and lists a base salary range of $92,000 to $147,000 USD for the O'Fallon location.
