Senior AI​/ML Scientist - Remote

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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 talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale.

Join us to start Caring. Connecting. Growing together.

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.

• Collaborate with cross‑functional teams to determine applicability of AI to business problems
• Process and transform source data to be used in machine‑learning pipelines, leveraging distributed computing environments and parallel processing approaches
• Build robust training and evaluation pipelines using Python, PyTorch/Tensor Flow, and modern ML tooling
• Follow best practices for software development (tests, packaging, Git Hub, code review)
• Communicate clearly with cross‑functional teams and stakeholders through written documents, technical talks, and presentations
• Stay up‑to‑date with latest AI/ML technologies and research
• Publish findings in top‑tier AI and ML venues (e.g., NeurIPS, ICML, ICLR, ACL, EMNLP, CHIL) and present internally to Optum AI and business leaders
• Closely collaborate with the Responsible Use of AI (RUAI) team to ensure that the delivered solutions are compliant with the company policies and standards
• Develop evaluation protocols, diagnostics, and documentation to support model governance and regulatory requirements

• Advanced degree in Computer Science, Mathematics, Statistics, or related field
• PhD with experience in AI/ML solutions delivery role or Master’s with 5 years in AI/ML solutions delivery role
• Experience using cloud platforms and services (Azure, AWS, GCP, etc.)
• Proficiency in AI/ML engineering development with Python
• Demonstrated experience leading and implementing AI/ML projects from ideation to evaluation, delivery, and monitoring
• Experience with AI Cloud services like Azure ML, Databricks, Azure OpenAI, or similar services in GCP / AWS
• Expertise in Large Language Modeling and Transformer Architectures with experience in prompt engineering, evaluation, and LLM optimization
• Proven exceptional verbal and written communication skills to lead/mentor project teams, and to communicate technical content and analytical insights/complex findings in a clear and concise manner to multiple audiences, including senior management

• Working knowledge of software development tools and practices including Dev Ops and CI/CD tools (Git, Docker, Kubernetes, etc.)
• Experience working with healthcare data (claims, EHR, clinician notes, etc.) and implementing AI solutions in a healthcare setting
• Experience implementing agent architectures that can plan, call tools/APIs, interact with retrieval systems, and handle multistep clinical workflows
• Proven solid publication record in top‑tier AI/ML/NLP venues (e.g., NeurIPS, ICML, ICLR, ACL, EMNLP, CHIL)
• All employees working remotely will be required to adhere to United Health Group’s Telecommuter Policy

Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. The salary for this role will range from $89,900 to $160,600 annually based on full‑time employment.