AI/ML Engineer: LLMs, LangChain & RAG (Remote)

Latitude; Minnetonka, Northern (MN, KY); Hybrid; USD 99,000 - 176,000; Full time

Job summary

Optum Tech, a global leader in health care innovation, seeks a Software Engineer with strong LLM experience to join our team in the US. You will build and fine-tune ML solutions using LangChain, RAG, and Python, delivering production-grade code with Docker and Git versioning.

You'll work remotely from anywhere in the U.S., with in-office days required for Minneapolis or DC-area hires; you will write clean code, apply PE P8 standards, and collaborate across teams to drive impactful, scalable

Qualifications

• Undergraduate degree or equivalent experience.
• 3+ years of proven experience with Large Language Models (LLMs).
• 3+ years of machine learning concepts and fine-tuning methodologies.
• 3+ years of professional Python development following PEP8.
• Experience with LangChain framework.
• Experience with Retrieval-Augmented Generation (RAG).
• Experience with Docker and Git.
• Experience delivering production-quality code with thorough testing and documentation.
• Authorized to work in the United States without visa sponsorship.

Responsibilities

• Develop and implement ML solutions using LLMs.
• Utilize LangChain with closed-source and open-source models.
• Apply fine-tuning to optimize models for tasks and datasets.
• Write clean, maintainable code adhering to PEP8 standards.
• Use Docker for development and deployment.
• Ensure production-quality code with testing and documentation.
• Work in the terminal for development and deployment tasks.
• Work on traditional ML methods like XGBoost and clustering techniques.

Education

Bachelor's degree or equivalent experience

Tools

Python

LangChain

Docker

Git

Job description

Optum Tech, a global leader in health care innovation, seeks a Software Engineer with strong LLM experience to join our team in the US. You will build and fine-tune ML solutions using LangChain, RAG, and Python, delivering production-grade code with Docker and Git versioning.

You'll work remotely from anywhere in the U.S., with in-office days required for Minneapolis or DC-area hires; you will write clean code, apply PE P8 standards, and collaborate across teams to drive impactful, scalable