Hybrid Senior AI/ML Engineer: Vertex AI & LLMs

CNA Insurance; Chicago (IL); Hybrid; USD 72,000 - 141,000; Full time

Job summary

CNA Insurance is seeking a Senior Python AI Developer in Chicago to build intelligent agents using Google Vertex AI with Gemini or OpenAI. You will advance LLM-based solutions, implement robust prompt engineering, and ensure secure and scalable AI systems.

The role requires hands-on experience with LangChain, LangGraph, LangSmith and observability tools, plus strong testing workflows. This hybrid role offers collaboration across IT and product teams.

Qualifications

• Senior Python developer with AI/ML experience.

Responsibilities

• Evaluate client area requirements and develop complex application solutions.

Skills

Python AI

LLMs

Vertex AI

Gemini/OpenAI

Prompt Engineering

LangChain

LangGraph

Context Filtering

Prompting Security

Observability Tools

LangSmith

LangFuse

Phoenix

Arize

Eval AI Testing

Education

Bachelor's degree in Computer Science or related discipline

Tools

LangChain

LangGraph

Vertex AI

Gemini

OpenAI

Phoenix

LangSmith

LangFuse

Arize

Job description

CNA Insurance is seeking a Senior Python AI Developer in Chicago to build intelligent agents using Google Vertex AI with Gemini or OpenAI. You will advance LLM-based solutions, implement robust prompt engineering, and ensure secure and scalable AI systems.

The role requires hands-on experience with LangChain, LangGraph, LangSmith and observability tools, plus strong testing workflows. This hybrid role offers collaboration across IT and product teams.