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Closed on September 5, 2026.

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American Express

AI Engineer III

American Express
Phoenix, AZ $104k - $175k/yr Full time Posted 2mo ago
Artificial Intelligence Engineer
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Job Description

American Express is looking for an AI Engineer III in Phoenix, AZ (onsite) to help build agentic AI platforms and capabilities that can be used responsibly and at enterprise scale. This role centers on designing intelligent, adaptive systems that support autonomous workflows, decision support, and customer-facing experiences, with an emphasis on security, explainability, reliability, and compliance.

Salary: USD 103,750 - 174,750 per year. Experience: 4+ years of professional software engineering experience.

What you will do

Develop and implement agentic AI capabilities intended to run across the enterprise. Work on intelligent systems that can support autonomous workflow execution, provide decision support, and improve customer-facing experiences while meeting enterprise standards for responsible AI.

The role also involves partnering across teams to integrate modern AI-enabled development patterns, ensuring solutions are maintainable and aligned with security, explainability, reliability, and compliance expectations.

What you bring

  • 4+ years of professional software engineering experience.
  • Some 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.
  • Interest in agentic AI systems, autonomy, and AI-assisted development workflows.
  • Willingness to learn, take feedback, and grow technical ownership over time.
  • Comfort working in collaborative, cross-functional teams.
  • Customer mindset and curiosity about solving real-world problems.

Preferred qualifications

  • Exposure to LLM tooling, prompt engineering, RAG, or agent frameworks through work, coursework, or personal projects.
  • Internship or early-career experience in fintech or other regulated environments.
  • Contributions to open-source projects, hackathons, or side projects related to AI or developer tooling.
  • Employment eligibility to work with American Express in the United States (the company will not pursue visa sponsorship for these positions).

Tech stack

  • Python
  • Go
  • TypeScript

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