Software Engineer II

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 Who is Mastercard? We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships, and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion for all employees that respect their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation, and delivers better business results. About the Role Mastercard’s ACI team within the Payment Enablement program is seeking to hire a Software Engineer 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 projects 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 • Strong hands-on experience for developing scalable and high-performance applications with Java Spring Boot (Java 17 preferred). Spring Boot experience is required. Spring Batch experience is nice to have. • Proven experience with Apache KAFKA or related tools with event driven architecture design patterns for asynchronous data processing. • Knowledge and experience working with CI/CD tools such as Jenkins and Git is required. • Working knowledge of cloud platforms (PCF and/or AWS preferred). • Hands-on experience with containerization technologies (e.g., Docker). • Experience developing with web technologies such as HTML, JavaScript, and frameworks like Angular or R ... (truncated, view full listing at source)