Gen AI Engineer

Job Description 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. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service. As part of Team Amex, you'll experience this powerful backing with comprehensiv

Job Description: The Principal Engineer, AI Orchestration & Retrieval defines how the enterprise's central AI system is composed - the orchestration and abstraction layers that connect LLMs to tools, data, and one another, and the retrieval systems that ground them. This role sets the strategy and builds the reality for how we build and expose tools (including MCP servers), how we structure retrieval and chunking, and when to rely on specialized sub-agents versus directly exposing tools to a mod

Job Description Joining Amex Tech means discovering and shaping your contribution to something big. Here, you can work alongside talented tech teams and build a unique career with the Powerful Backing of American Express. With a range of opportunities to work with the latest technologies, and a commitment to back the broader engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our colleagues. The Techn

Senior / Principal AI Engineer (Generative AI, Multi-Agent Systems) Location: New York City (Hybrid - 3 days onsite) Compensation: $200,000 - $300,000 + equity Contact / Apply: About Our Client Our client is building AI systems that support real clinical workflows at scale-delivering high-quality medical reasoning, documentation, and triage while meeting the reliability bar required in regulated healthcare environments. This is a high-impact role for engineers who want to ship production AI t