Senior AI ML Scientist - Remote
About The Position
Optum Tech is a global leader in health care innovation. Our teams develop cutting-edge solutions that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve some of health care’s most complex challenges. Your contributions here have the potential to change lives. Ready to build the next breakthrough? Join us to start Caring. Connecting. Growing together. Optum AI is UnitedHealth Group’s enterprise AI team. We are AI/ML scientists and engineers with deep expertise in AI/ML engineering for health care. We develop AI/ML solutions for the highest impact opportunities across UnitedHealth Group businesses including UnitedHealthcare, Optum Financial, Optum Health, Optum Insight, and Optum Rx. In addition to transforming the health care journey through responsible AI/ML innovation, our charter also includes developing and supporting an enterprise AI/ML development platform. Optum AI team members: Have impact at scale: We have the data and resources to make an impact at scale. When our solutions are deployed, they have the potential to make health care system work better for everyone Do ground-breaking work: Many of our current projects involve cutting edge ML, NLP and LLM techniques. Generative AI methods for working with structured and unstructured health care data are continuously being developed and improved. We are working in one of the most important frontiers of AI/ML research and development Partner with world-class experts on innovative solutions: Our team members are developing novel AI/ML solutions to business challenges. In some cases, this includes the opportunity to file patents and publish papers about the methods we develop. We also collaborate with AI/ML researchers at some of the world’s top universities
Requirements
- PhD in Statistics, Mathematics, Computer Science or related field
- 3+ years of AI/ML experience (LLM, NLP)
- Experience with LLM frameworks and/or NLP approaches such as text embedding and text classification
- Proficiency in AI/ML engineering development with Python
- Expertise in Large Language Modeling and Transformer Architectures with experience in prompt engineering, evaluation, and LLM optimization
Nice To Haves
- Experience with AI Cloud services like Azure ML, Databricks, Azure OpenAI, or similar services in GCP / AWS
- Experience with Snowflake and other relational databases
- Proven solid publication record in top tier AI/ML/NLP venues (e.g., NeurIPS, ICML, ICLR, ACL, EMNLP, CHIL, etc.)
- Proven solid technical communication skills
Responsibilities
- Apply advanced statistical, predictive modeling, and Agentic AI to optimize healthcare and digital experiences
- Collaborate with the Responsible Use of AI (RUAI) team to ensure that the delivered solutions are compliant with company policies and standards
- Research innovative approaches for developing and evaluating Agentic AI solutions, and apply these findings to the solutions you are creating
- Develop code and model documentation, patents and publications in scientific conferences and journals
- Collaborate with engineering teams to develop robust data pipelines of MLOps procedures for new solutions
- Stay up to date with latest technologies and literature
Benefits
- comprehensive benefits package
- incentive and recognition programs
- equity stock purchase
- 401k contribution
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
Ph.D. or professional degree
