Software Engineer II

Job Description

Our Purpose 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. Title and Summary Software Engineer II Overview: Mastercard’s Decision Management Platform team is seeking a Software Developer II to design, develop, and deliver scalable, secure, and high-quality software solutions. In this role, you will contribute to the full software development lifecycle, from analysis and design to implementation and ongoing support, while collaborating with cross-functional teams to meet evolving business needs. You will play a vital role in a rapidly growing organization, working closely with experienced and driven engineers to solve complex challenges. Engineers work in small, flexible teams, with every member contributing to the design, development, and testing of features. We follow an Agile approach to software development and practice continuous integration and delivery. This is a hybrid position based in O’Fallon, MO requiring three days per week onsite. Role: • Design, develop, test, implement, and maintain software applications that align with Mastercard engineering standards and best practices. • Deliver secure, reliable, and scalable software solutions within defined timelines and budgets. • Research and evaluate alternative technical approaches to meet current and future business needs. • Conduct feasibility studies, system flowcharting, and logic design to support solution development. • Collaborate with team members and stakeholders to meet project goals, identify issues early, and recommend practical solutions. • Independently manage assigned tasks and participate in production incident management and on-call rotations. • Create and maintain comprehensive technical documentation in line with Mastercard’s quality and governance standards. • Assist senior engineers in updating documentation and templates to align with evolving project and technology needs. • Contribute to process improvement initiatives and promote best practices in software development and delivery. • Support the collection, analysis, and reporting of software and project performance metrics. All About You: • Proven experience in software engineering, architecture, or development. • Strong hands-on experience in Java (Java 17 preferred) for developing scalable and high-performance applications. • Familiarity with CI/CD tools such as Jenkins and Git. • Working knowledge of cloud platforms (AWS preferred). • Hands-on experience with containerization technologies (e.g., Docker). • Experience developing with web technologies such as HTML, JavaScrip

Required Skills