Optum, part of UnitedHealth Group, is hiring a Senior Data Scientist to lead the development and delivery of large, complex predictive modeling projects for our Payment Integrity processes. You will provide direction to Data Scientists, develop innovative approaches to solve analytics problems, and communicate results and methodologies.
What You'll Do
- Apply advanced statistical and predictive modeling techniques to build, maintain, and improve multiple predictive detection engines in Optum Insight analytics.
- Lead discovery processes with Data Scientists and partner with Payment Integrity Operation management to identify business requirements and expected outcomes.
- Create and provide sound statistical analyses and frame business scenarios that impact critical business processes and/or decisions.
- Contribute to the development of Agentic AI architectures to solve business challenges using new technologies.
- Design sampling methodology, prepare data including cleaning and univariate analysis, identify appropriate analytic methodology, develop predictive models, and document the process.
- Communicate analytics results and predictive models to business partners and clients.
- Provide on-going tracking and monitoring of model performance and recommend improvements to methods and algorithms.
What We're Looking For
- Proven experience in data science and building predictive models.
- Proven experience in manipulating large datasets.
- Proven experience in delivering production-grade AI/ML pipelines.
- Demonstrated solid expertise in programming in Python and SQL.
- Proven experience with distributed computing technologies such as PySpark.
- Proven experience with Git / GitHub for version control.
Nice to Have
- Proven experience with healthcare claims data.
- Proven experience with Azure, Databricks, Snowflake, LLMs and/or similar tools.
- Demonstrated problem-solving and analytical thinking skills.
- Demonstrated organizational skills with the ability to be flexible and work with ambiguity.
Technical Stack
- Python, SQL, PySpark, Git, GitHub
- Azure, Databricks, Snowflake, LLMs
Team & Environment
This role is part of the Payment Integrity Data Science team within Optum Insight.
Benefits & Compensation
- Flexible work arrangements
- Hybrid work model
- Comprehensive benefits
- Career development opportunities
Work Mode
This is a hybrid position based in Dublin or Letterkenny, Ireland.
Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law.
