At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. As part of Team Amex, you'll experience this powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express. We are looking for a Senior Engineer that has a solid understanding of C#, Kotlin, Docker/Kubernetes, and emerging backend frameworks, to lead an agile cross-functional team that values collaboration, automation, and innovation. If you're a backend enthusiast looking to build highly scalable, performant and fault-tolerant applications, come grow your skills as a technical leader at Amex. You will be part of the GCS-T-Shared Services, which owns and manages building shared service APIs that enable card program management across multiple products and markets in American Express. We focus on building scalable, reusable APIs and integration patterns that empower teams to deliver faster, more consistently, and with greater confidence—while abstracting complexity and driving engineering excellence at scale. Your work will be at the frontline of American Express’ commitment to excellence to our customers, and thus highly visible, impactful, and rewarding.