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. Overview: Mastercard's Commercial Customer Experience team is seeking a Senior Software Engineer to help design, develop, and deliver scalable, secure, and high-performing software solutions that power critical customer experiences and business capabilities.