American Express

Sr AI Engineer I - Agentic- Travel & Lifestyle Services Technology

American Express
Apply
17 hours ago
Phoenix, AZ, USASenior

Base Salary

$123k - $215k/yr

Responsibilities

  • Design, build, and ship LLM-powered and agentic product features for customer financial experiences.
  • Build agentic systems that reason over context, invoke tools, take real actions, and recover from failure.
  • Architect and implement production-grade RAG pipelines over sensitive financial data with strong correctness, auditability, and safety requirements.
  • Contribute to shared AI infrastructure, including LLM services, agent orchestration frameworks, and evaluation and monitoring tooling.
  • Own delivered systems in production, including reliability, latency, cost, and failure modes.
  • Partner with product and design teams to deliver customer-focused solutions.

Requirements

  • 5+ years of software engineering experience, including meaningful production experience with LLMs or applied ML systems.
  • Track record of shipping AI-powered or agentic systems that real users depend on.
  • Strong engineering fundamentals across backend systems, APIs, data pipelines, and cloud infrastructure.
  • Hands-on experience with modern LLM tooling and agentic patterns and architectures.
  • Fluency with AI-assisted and agentic development workflows.
  • Strong ownership, technical judgment, and ability to operate with ambiguity.
  • Product mindset and customer orientation.
  • Preferred: experience building agentic systems in fintech or other regulated industries.
  • Preferred: experience as a founding engineer or early technical contributor in a high-growth environment.
  • Preferred: demonstrated ability to ship technically complex systems in regulated contexts.
  • Preferred: meaningful open-source contributions, particularly in AI or developer tooling.
American Express

About American Express

10,000+ employees

American Express builds a global payments network and issues consumer, small-business, and corporate cards, plus merchant acquiring and travel services. Revenue comes from card fees, interest and lending, discount/merchant fees, and network services. Founded in 1850 and headquartered in New York City, it operates the Amex acceptance network worldwide and offers co-branded cards and membership rewards across millions of cardmembers and merchants; ticker NYSE: AXP.

Contact me