Senior AI Engineer – Agentic AI Systems

American Express; United States; On-site; USD 140,000 - 190,000; Full time

Job summary

American Express in the United States seeks a Senior Software Engineer – Agentic AI to drive production-grade AI initiatives that power intelligent customer and enterprise experiences. You will work hands-on with senior engineers, architects, Product, UX, and Data Science to design, implement, and operate scalable, secure AI solutions.

This role blends strong software fundamentals with practical AI workflows.

Qualifications

• 6+ years of experience building large-scale backend or distributed software systems.
• Experience developing AI-powered applications using LLMs, agentic workflows, RAG, or modern ML platforms.
• Experience building production services using TypeScript, Go, Python or similar languages.
• Strong software engineering fundamentals across backend development, APIs, cloud infrastructure, and distributed systems.

Responsibilities

• Design, build, test, and operate production-grade agentic AI applications and services.
• Contribute to the design and implementation of shared agentic AI capabilities, including frameworks and orchestration.
• Evaluate emerging AI technologies and help incorporate practical improvements into our platform.
• Mentor junior engineers and contribute to a collaborative engineering culture.
• Collaborate with Product, UX, and cross-functional partners to deliver AI-powered capabilities from concept through production.

Skills

Go

TypeScript

Python

REST

gRPC

tRPC

AWS

GCP

Kubernetes

Distributed systems

RAG

LLM integration

Tools

VercelAI SDK

LangChain

LangGraph

LlamaIndex

Temporal

DBOS

Kafka

Zod

Job description

American Express in the United States seeks a Senior Software Engineer – Agentic AI to drive production-grade AI initiatives that power intelligent customer and enterprise experiences. You will work hands-on with senior engineers, architects, Product, UX, and Data Science to design, implement, and operate scalable, secure AI solutions.

This role blends strong software fundamentals with practical AI workflows.