About You Strong expertise in frontend development, with deep knowledge of JavaScript/TypeScript, React, and modern frontend tooling. Experience building scalable, maintainable web applications and consuming APIs. Familiarity with frontend infrastructure concepts such as CI/CD pipelines, cloud environments, build systems, and production considerations. Quality‑driven mindset with a focus on testing, accessibility, performance, and clean code. Comfortable collaborating across disciplines and taking ownership of complex technical challenges. Education BS Degree or equivalent combination of experience and formal education. 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.
