Sr AI Engineer II - Enterprise Architecture
American ExpressBase 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 gracefully from failure.
- Architect and implement production-grade RAG pipelines over sensitive financial data with correctness, auditability, and safety requirements.
- Contribute to shared AI infrastructure, including LLM services, agent orchestration frameworks, and evaluation and monitoring tooling.
- Own production systems, including their reliability, latency, cost, and failure modes.
- Partner with product and design teams while focusing on customer outcomes and reliable technical execution.
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 on which real users depend.
- Strong fundamentals in backend systems, APIs, data pipelines, and cloud infrastructure.
- Hands-on experience with modern LLM tooling, agentic patterns, and agentic architectures.
- Fluency with AI-assisted and agentic development workflows.
- Strong ownership, technical judgment, product mindset, and customer orientation.
- Ability to operate with ambiguity and turn complex problems into reliable shipped products.
- Preferred: experience building agentic systems in fintech or regulated industries.
- Preferred: founding engineer or early technical contributor experience in high-growth environments.
- Preferred: experience shipping technically complex systems in regulated contexts and meaningful open-source contributions in AI or developer tooling.
Benefits
- Competitive base salaries and bonus incentives.
- 6% company match on the retirement savings plan.
- Free financial coaching and financial well-being support.
- Comprehensive medical, dental, vision, life insurance, and disability benefits.
- Flexible working model with hybrid, onsite, or virtual arrangements depending on role and business need.
- 20+ weeks of paid parental leave for all parents, including pregnancy, adoption, or surrogacy.
- Access to global onsite wellness centers, depending on location.
- Free confidential counseling through the Healthy Minds program.
- Career development and training opportunities.
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