Posted on 6/11/2025
Lead AI/ML Research Scientist
Optum
Los Angeles, CA
Qualifications
- Master's or PhD in computer science or a related quantitative field with applicable industry experience in AI/ML
- Minimum of 5 years of experience in AI/ML research and applications
- Proficient with Python, classical ML techniques, and deep learning frameworks such as PyTorch or TensorFlow
- All remote employees are expected to comply with UnitedHealth Group's Telecommuter Policy
Benefits
- Partnership with experts: Work alongside world-class professionals to create novel AI/ML solutions, with opportunities to file patents and publish scholarly work
- The salary range for this job is $106,800 to $194,200 per year, based on full-time employment
- Compensation is influenced by various factors, including local labor market conditions, education, work history, and certifications
- UnitedHealth Group adheres to all applicable minimum wage regulations
- Alongside your salary, enjoy comprehensive benefits including incentive programs, equity stock purchase options, and 401k contributions (all benefits subject to eligibility)
- No matter your starting point with UnitedHealth Group, you’ll be part of a wide array of benefits and incentives
Responsibilities
- Impact at scale: Utilize vast data and resources to enhance the healthcare system for everyone
- Enjoy the freedom of working remotely while tackling significant challenges in the healthcare sector
- Develop innovative AI methods for healthcare using both structured and unstructured data
- Construct and evaluate deep learning and traditional ML models within distributed computing frameworks
- Design experiments, perform statistical analyses, and create insightful data visualizations
- Effectively communicate your findings to business stakeholders and collaborate on solutions catered to customer needs
- Work with the Responsible Use of AI (RUAI) team to ensure solutions align with company policies and standards
- Create code and model documentation, leading to patents and publications in scientific journals and conferences
- Team up with engineering departments to establish robust data pipelines and MLOps procedures for new solutions
- Stay informed about the latest technologies and ongoing research in the AI/ML landscape
- This position offers numerous opportunities for recognition and performance rewards within a challenging environment, alongside clear directives for success and pathways for development into other roles
Full Description
Join Optum, a global leader in healthcare innovation, where your work will significantly improve health outcomes for millions. At Optum, we embrace a culture of diversity and inclusion, supported by talented peers, comprehensive benefits, and opportunities for career advancement. Together, we aim to make an impact on the communities we serve while promoting health equity worldwide. Become part ofour mission to Caring. Connecting. Growing together.
The Optum AI team, part of UnitedHealth Group, comprises AI/ML scientists and engineers with extensive expertise in developing AI/ML solutions within healthcare. We tackle high-impact challenges across various UnitedHealth Group sectors, including UnitedHealthcare, Optum Financial, Optum Health, Optum Insight, and Optum Rx. Our charter includes not only advancing health care through innovative AI methodologies but also setting the standards for responsible AI/ML development.
What you will gain as a member of the Optum AI team:
• Impact at scale: Utilize vast data and resources to enhance the healthcare system for everyone.
• Ground-breaking work: Engage with cutting-edge machine learning (ML), natural language processing (NLP), and large language model (LLM) techniques, continuously refining generative AI methods for managing health data.
• Partnership with experts: Work alongside world-class professionals to create novel AI/ML solutions, with opportunities to file patents and publish scholarly work.
Enjoy the freedom of working remotely while tackling significant challenges in the healthcare sector.
Primary Responsibilities:
• Develop innovative AI methods for healthcare using both structured and unstructured data.
• Construct and evaluate deep learning and traditional ML models within distributed computing frameworks.
• Design experiments, perform statistical analyses, and create insightful data visualizations.
• Effectively communicate your findings to business stakeholders and collaborate on solutions catered to customer needs.
• Work with the Responsible Use of AI (RUAI) team to ensure solutions align with company policies and standards.
• Create code and model documentation, leading to patents and publications in scientific journals and conferences.
• Team up with engineering departments to establish robust data pipelines and MLOps procedures for new solutions.
• Stay informed about the latest technologies and ongoing research in the AI/ML landscape.
This position offers numerous opportunities for recognition and performance rewards within a challenging environment, alongside clear directives for success and pathways for development into other roles.
Required Qualifications:
• Master's or PhD in computer science or a related quantitative field with applicable industry experience in AI/ML.
• Minimum of 5 years of experience in AI/ML research and applications.
• Proficient with Python, classical ML techniques, and deep learning frameworks such as PyTorch or TensorFlow.
Preferred Qualifications:
• Expertise with LLM frameworks and NLP techniques including text embedding and classification.
• Familiarity with distributed computing systems like Spark.
• Experience with Snowflake and other relational databases.
• Background in collaborative software projects utilizing GitHub.
• Excellent technical communication skills.
All remote employees are expected to comply with UnitedHealth Group's Telecommuter Policy.
The salary range for this job is $106,800 to $194,200 per year, based on full-time employment. Compensation is influenced by various factors, including local labor market conditions, education, work history, and certifications. UnitedHealth Group adheres to all applicable minimum wage regulations. Alongside your salary, enjoy comprehensive benefits including incentive programs, equity stock purchase options, and 401k contributions (all benefits subject to eligibility). No matter your starting point with UnitedHealth Group, you’ll be part of a wide array of benefits and incentives.
Application Deadline: This position will be available for a minimum of 2 business days or until we accumulate a sufficient applicant pool. Job postings may close early due to a high volume of candidates.
At UnitedHealth Group, our mission centers on helping individuals lead healthier lives and improving the overall health system. We champion access to health for everyone, regardless of race, gender, sexuality, age, or socioeconomic status. Our commitment includes addressing health disparities and enhancing health outcomes as part of our enterprise priorities.
UnitedHealth Group is an Equal Employment Opportunity employer, ensuring that all qualified applicants are considered irrespective of race, national origin, religion, gender, disability, or any other characteristic protected by law.
UnitedHealth Group maintains a drug-free workplace; candidates must pass a drug test prior to starting work.
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