AI/ML Applied Scientist

About the role

Optum is seeking an AI/ML Applied Scientist to join our team dedicated to enhancing health outcomes through technology. In this position, you will contribute to the development of innovative AI/ML solutions that address significant challenges in the healthcare sector. You will work collaboratively with a talented group of professionals in a culture that values inclusion and growth.

Key facts

What you'll do

• Create and refine solutions and best practices focused on Responsible AI.
• Design and implement models to enhance the capabilities and reliability of large language models (LLMs).
• Conduct research and develop scalable machine learning solutions.
• Establish and advance our research and innovation agenda.
• Design, deploy, and implement deep learning models, retrieval-augmented generation (RAG), and LLMs.
• Collaborate with fellow scientists and engineers within the Optum AI team.

Requirements

• A Master's degree in computer science, machine learning, statistics, engineering, mathematics, or a related STEM field.
• At least 3 years of experience with deep learning frameworks such as PyTorch and/or TensorFlow.
• Minimum of 2 years applying machine learning techniques to natural language processing (NLP), multimodal real-time processing, or other AI domains.
• At least 2 years of experience in generative AI, including grounding architectures, fine-tuning LLMs, and enhancing pre-trained LLM performance.
• A minimum of 2 years developing machine learning applications.
• At least 1 year of experience in agentic research and development.

Nice to have

• A Ph.D. in Machine Learning with a focus on NLP and/or Generative AI.
• Familiarity with advanced deep learning techniques, applied mathematics, and statistics.
• Strong technical and scientific understanding of generative AI.
• Compliance with UnitedHealth Group's Telecommuter Policy for remote employees.

Skills & tools

• Proficiency in machine learning frameworks and programming languages relevant to AI/ML development.
• Experience with data analysis, model validation, and performance evaluation techniques.

Practical notes

• The salary for this position ranges from $112,300 to $134,800 annually, depending on various factors such as local labor markets, education, and work experience.
• A comprehensive benefits package is available, including incentive programs, equity stock purchase options, and 401k contributions, subject to eligibility.
• Candidates must pass a drug test prior to employment.

Application Deadline: This position will remain open for a minimum of 2 business days or until a sufficient number of candidates have applied. The posting may close earlier based on applicant volume.

At UnitedHealth Group, we are committed to improving health outcomes and ensuring equitable care for all individuals, regardless of their background. We strive to remove barriers to health and promote a healthier future for everyone.

UnitedHealth Group is an Equal Employment Opportunity employer, and all qualified applicants will be considered for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or veteran status, or any other characteristic protected by applicable laws.

UnitedHealth Group maintains a drug-free workplace.