AI​/ML Engineer - Python​/GenAI​/.Net​/C# - Remote

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities.

Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.

We are seeking an AI/ML Engineer with deep expertise in Generative AI technologies to develop and deploy cutting‑edge solutions within the Optum Care Strategic Platform (Facets). The ideal candidate will have hands‑on experience with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Agentic AI, and frameworks such as Lang Graph and Lang Chain. Strong proficiency in Python along with Software Engineering background using .NET,

C#, SQL and API development are essential. This role will involve close collaboration with Claims Operations.

You’ll enjoy the flexibility to work remotely
* from anywhere within the U.S. as you take on some tough challenges. For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week.

• Be able to understand the Facets Delivery, Client priority and requirements
• Proven Good in adapting & adopting new technology footprints to optimize business solutions using AI Adoption
• Apply a solid understanding of Agentic AI concepts and frameworks such as Lang Graph and Lang Chain to design and implement intelligent, autonomous systems
• Utilize expertise in Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and Transformer architectures to build scalable and high‑performing AI solutions
• Develop sophisticated generative AI algorithms and models to create new data samples, patterns, or content based on existing datasets and user inputs
• Build and maintain robust APIs using frameworks such as FastAPI to enable seamless integration of AI services
• Develop secure, maintainable software using C#, .NET, SQL and modern engineering patterns
• Deploy AI/ML solutions in production environments, preferably on cloud platforms like Azure
• Implement machine learning and natural language processing projects from concept to production
• Conduct rigorous model testing, validation, and performance optimization
• Containerize AI/ML projects and implement CI/CD pipelines using tools like Git Hub Actions
• Collaborate with stakeholders to preprocess, analyze, and interpret large‑scale datasets
• Stay current with emerging trends and advancements in generative AI and ML technologies
• Mentor and lead other engineers to reach their potential
• Ensure code quality and security by identifying and resolving vulnerabilities
• Maintain solid programming practices and standards
• Provide timely updates on tasks to reporting supervisor
• Adherence to the defined SLA Compliance etc
• Provide support and leadership in critical production support issue resolution
• Participate in on‑call rotations as scheduled
• Work with team to achieve timely resolution of all production issues meeting or exceeding Service Level Agreements

You’ll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

• Undergraduate degree or equivalent experience
• 3+ years of experience in Python programming
• 2+ years of software engineering and testing experience in C# / .Net programming language
• 2+ years of experience with build, Deploying and manage ML models on cloud platforms such as Microsoft Azure or any other Cloud platform
• 2+ years of Database Design/Programming
• 1+ years of Terraform scripts understanding
• 1+ years of Git action and CI/CD experience needed

• Healthcare Claims EDI Experience
• Prompt engineering experience
• Experience leveraging Large Language Models (LLMs)
• Experience…