American Express is a financial services company whose Enterprise Technology Services organization develops and operates global technology, data, digital, and AI capabilities. The Senior Agentic AI Engineer II leads the design, development, deployment, and governance of scalable AI systems, including generative AI, natural language processing, large language models, retrieval pipelines, and autonomous workflows. The role also mentors engineers, translates business requirements into AI solutions, and ensures reliability, security, explainability, and regulatory compliance.