Drimva

American Express

Senior Agentic AI Engineer - Core Platforms

New York, NY +2 · Hybrid · Senior · Full-time · Posted Oct 14, 2026

Location
New York, NY
Sunrise, FL
Phoenix, AZ
Experience
5+ years' in software development, including hands-on machine learning, AI technologies, and agentic solutions.
Education
Bachelor's degree in computer science, Machine Learning, Data Science, and/or comparable experience; advanced degree preferred.
Visa sponsorship
Employment eligibility to work with American Express in the United States is required; the company will not pursue visa sponsorship for these positions.

About the job

Designs and operates evaluation frameworks and production systems for LLM, RAG, agentic, and other AI applications, ensuring they meet enterprise quality, safety, reliability, compliance, latency, and cost standards.

What you'll do

  • Defines evaluation strategies, benchmarks, acceptance criteria, and scorecards for AI solutions; builds automated and human-in-the-loop evaluation pipelines.
  • Establishes regression testing, release gates, and continuous evaluation, and analyzes failures to recommend remediation.
  • Integrates AI models and evaluation results into production systems, CI/CD, monitoring, and governance processes while mentoring engineers.

What they ask for

  • 5+ years' experience in software development, including hands-on experience in machine learning, AI technologies, and agentic solutions.
  • Knowledge of Python and data processing technologies such as Hadoop or Spark; experience with LLM evaluation harnesses and automated test pipelines for LLM, RAG, or agentic applications.
  • Experience designing human-in-the-loop and model-based evaluation workflows, including calibration, error analysis, and evaluation-quality validation.
  • Experience delivering production AI systems and integrating evaluation into CI/CD, release readiness, production monitoring, and governance evidence.

Nice to have

  • Advanced degree preferred.
  • Knowledge of NLP techniques such as fuzzy wuzzy and models such as BERT and Transformer models.

Pay

$123000 - $215250 annually (base salary)

Tools

Python, Hadoop, Spark, BERT, Transformer models, GPT-3.5/4, R, Java

AI focus

Builds and evaluates LLM, RAG, agentic, and multimodal AI systems, including evaluation pipelines, human review, model-based grading, regression testing, and continuous evaluation.

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 5, 2026 (UTC)