Senior AI Engineer - Enterprise Architecture
American Express1 month 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 gracefully from failure.
- Architect and implement production-grade RAG pipelines over sensitive financial data with correctness, auditability, and safety requirements.
- Contribute to shared LLM services, agent orchestration frameworks, and evaluation and monitoring tooling.
- Own deployed systems, including reliability, latency, cost, and failure modes.
- Partner with product and design teams to deliver customer-focused solutions.
- Use AI-assisted and agentic development workflows for design, implementation, testing, debugging, and refactoring while maintaining production-quality standards.
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 used 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, 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 high-growth environments.
- Preferred: experience shipping technically complex systems in regulated contexts that customers rely on.
- Preferred: meaningful open-source contributions, particularly in AI or developer tooling.
Categories
About American Express
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.