Principal Software Engineer

expertise to drive significant improvements to how RTP builds, tests, and ships software • Architect secure, resilient, and scalable solutions with clear, well-documented designs • Take on open and uncertain problems, analysing data and areas of failure or inefficiency, and turn findings into clear recommendations • Look ahead at engineering practice, identifying where approved technology can improve how RTP works • Drive practical AI adoption across RTP Engineering teams using approved tools • Help embed standards and governance by driving adoption, auditing how we work, and turning gaps into actions we own or items for the program tech roadmap • Support program-wide teams, customers, and initiatives • Make complex technical topics accessible to leadership through clear communication and reporting • Coach and mentor engineers across cross-functional teams Education • Bachelor's degree in Computer Science, Information Technology, or Engineering, or equivalent experience Knowledge / Experience • Strong experience in software engineering and architecture, with Java desired • Strong experience in platform engineering and cloud • Strong experience in CI/CD • Experience in technical leadership, setting direction on complex technical problems • Experience using AI in day-to-day engineering, such as AI coding assistants and agents, and driving its adoption across teams • Experience embedding engineering standards, including design, secure coding, and testing • Experience preparing and delivering executive-level presentations to business and technology audiences • Experience mentoring and developing engineers in a high-performance culture • Experience influencing teams without direct authority • Knowledge of payments, or experience working in a regulated industry 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. Everyone wants easier ways to pay; we invent them. Checkout lines are slow; we speed them along. Merchants want more sales; we give them data and insights. People need financial access; we connect them. Corporate purchasing is complicated; we make it simple. Commuters are busy; we speed them on their way. Governments need greater efficiencies; we help create them. Small businesses are virtual; we give them access to a world of buyers. Retailers want to fight fraud; we provide the tools.