American Express
AI Engineer II - Enterprise Architecture
Phoenix, AZ +2 · Hybrid · Full-time · Posted Sep 21, 2026
- Location
- Phoenix, AZ
New York, NY
Sunrise, FL - Experience
- 2+ years of professional software engineering experience.
- Visa sponsorship
- American Express may provide visa sponsorship for certain positions, depending on business unit requirements, the nature of the position, cost, and applicable laws.
About the job
Build and operate production LLM-powered and agentic AI features and infrastructure for financial data and customer-facing workflows.
What you'll do
- Develop agentic workflows and RAG pipelines, including tool use and safety measures.
- Contribute to shared AI infrastructure, evaluation, and monitoring tools.
- Monitor, debug, and improve production AI systems in collaboration with product and design teams.
What they ask for
- 2+ years of professional software engineering experience.
- Hands-on experience building or contributing to AI-powered features, LLM-based applications, or applied ML systems (professional or project-based).
- Solid engineering fundamentals in at least one backend language: Python, Go, or TypeScript.
- Familiarity with APIs, basic cloud concepts, and modern development practices.
Nice to have
- Exposure to LLM tooling, prompt engineering, RAG, or agent frameworks.
- Internship or early-career experience in fintech or other regulated environments; or AI/developer-tooling projects or contributions.
Pay
$89250 - $150250 annually (base salary)
Tools
Python, Go, TypeScript, AWS, GCP, Kubernetes, REST, gRPC
AI focus
Develop production agentic AI systems and LLM-powered features, including RAG over financial data, tool orchestration, and production evaluation and monitoring.
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