Data Scientist - San Juan PR

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.

Primary Responsibilities:

• Data Science Model Hypotheses Formulation
• Exploratory Data Analysis and Feature Engineering
• Model building, training, and testing
• AI and MLRB Governance compliance - Obtain and maintain necessary approvals
• Model deployment
• Model scoring and making scores available for production campaigns
• Model drift monitoring and adjustment recommendations
• Translate complex models and findings into actionable business insights and compelling narratives for stakeholders
• Other duties may apply

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.

Required Qualifications:

• 3 years of experience as a Data Scientist
• 3 years of experience in data mining methods and tools (Scikit‑learn, XGBoost, TensorFlow, PyTorch - for building predictive models)
• 3 years of experience with SQL 
• Experience with Power BI
• Experience developing rule-based, statistical, and data mining models
• Experience developing Statsmodels - For statistical modeling in Python
• Experience working with Jupyter Notebooks - For exploratory analysis and sharing code‑based insights
• Familiar with probability, statistics, linear algebra, matrices concepts
• Familiarity with AI tools (LLMs) and frameworks (LangChain, n8n, and others) OP
• Fully Bilingual Spanish/English proficiency

Preferred Qualification:

• MLOps tools (Azure ML, MLflow, or similar) experience

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.

UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations.

UnitedHealth Group is a drug-free workplace. Candidates are required to pass a drug test before beginning employment.