Senior AI Engineer II — Agentic AI Architect

American Express; Palo Alto (CA); On-site; USD 180,000 - 240,000; Full time

Job summary

American Express is seeking a Senior AI Engineer II focused on agentic AI. You will design and deliver production-grade LLM-powered features and agentic systems that power real financial workflows.

You’ll own end-to-end delivery, collaborate with product and design, and ensure reliability, security, and compliance in a regulated financial environment. You will work across AI infrastructure, experimentation, and tools to enable scalable, responsible AI capabilities used by customers and

Qualifications

• 8+ years of software engineering experience, including production ML/LLM work.

Responsibilities

• Design, build, and ship LLM-powered features and agentic product capabilities.
• Own production systems including reliability, latency, cost, and failure modes.
• Work with product and design partners to deliver customer outcomes.
• Contribute to AI infrastructure and evaluation tooling for scalable agentic development.

Skills

LLM tooling

Agentic AI systems

Backend systems

APIs & data pipelines

Cloud infrastructure

Tools

Kubernetes

AWS

GCP

REST

gRPC

Job description

American Express is seeking a Senior AI Engineer II focused on agentic AI. You will design and deliver production-grade LLM-powered features and agentic systems that power real financial workflows.

You’ll own end-to-end delivery, collaborate with product and design, and ensure reliability, security, and compliance in a regulated financial environment. You will work across AI infrastructure, experimentation, and tools to enable scalable, responsible AI capabilities used by customers and