Sr AI Engineer II - Agentic AI
American ExpressBase Salary
$123k - $215k/yr
Responsibilities
- Design, build, and ship LLM-powered and agentic product features for customer financial management.
- Build agentic systems that reason over context, invoke tools, take real actions, and recover gracefully from failures.
- Architect and implement production-grade RAG pipelines over sensitive financial data with strict correctness, auditability, and safety requirements.
- Contribute to shared AI infrastructure, including LLM services, agent orchestration frameworks, and evaluation and monitoring tooling.
- Own deployed systems, including their reliability, latency, cost, and failure modes.
- Partner with product and design teams to deliver customer-outcome-focused solutions.
Requirements
- 8+ years of software engineering experience, including meaningful production experience with LLMs or applied ML systems.
- A track record of shipping AI-powered or agentic systems relied upon by real users.
- 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, sound technical judgment, comfort with ambiguity, and a product and customer orientation.
- Preferred: experience building agentic systems in fintech or other regulated industries.
- Preferred: founding engineer or early technical contributor experience in high-growth environments.
- Preferred: experience shipping technically complex systems in regulated contexts that customers actively rely on.
- Preferred: meaningful open-source contributions, particularly in AI or developer tooling.
- Preferred: experience with React, Kotlin, TypeScript, CircleCI, iOS/Swift, and Android.
Benefits
- American Express may provide visa sponsorship for certain positions depending on business unit requirements, the nature of the position, cost, and applicable laws.
Tech Stack
Categories
About American Express
At American Express, we know that with the right backing, people and businesses have the power to progress in incredible ways. Whether we’re supporting our customers’ financial confidence to move ahead, taking commerce to new heights, or encouraging people to explore the world, our colleagues are constantly striving to uphold our powerful backing promise to our customers and each other every day. These beliefs have been our North Star for 170 years as our business transformed – from helping evacuate travelers during World Wars, to ensuring the safety of our customers’ funds during the Great Depression in the U.S., to creating the Shop Small® movement to help small businesses recover from the Financial Crisis, to providing aid to communities impacted by many natural disasters and so much more. For generations, the key to our success has been the determination and resilience of our American Express colleagues. Now, as a globally integrated payments company, we work together to provide customers with access to products, insights and world-class experiences that enrich lives and build business success. Join us and let’s lead the way together. Learn more about us at: https://www.americanexpress.com/careers https://www.americanexpress.com/ https://www.facebook.com/AmericanExpressUS https://www.instagram.com/americanexpress/ https://twitter.com/americanexpress https://www.youtube.com/user/AmericanExpress See our community guidelines at: https://www.americanexpress.com/en-us/company/community-guidelines/ If you have a customer service issue or question, please visit www.americanexpress.com/contactus