Optum is looking to improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best, and the Sr Data Scientist role is a key technical contributor in the design and development of state-of-the-art NLP for medical applications.
Requirements
- 3+ years of experience with Python (PyTorch/TensorFlow, pandas/polars, NumPy)
- 2+ years of related professional work experience using machine/deep learning technologies or academic publication history in machine learning/deep learning field
- 1+ years of experience implementing transformer architectures (BERT, GPT, or related)
- Experience with LLM frameworks (Agentic workflows, RAG, LLM fine tuning)
- Experience with PyTorch
- Experience with Hybrid NLP solutions that combine symbolic and machine learning approaches
- Experience with SQL
Responsibilities
- Enhance existing company Natural Language Processing (NLP) technologies
- Extend NLP systems into new cloud-based applications
- Incorporate machine learning and deep learning techniques into clinical NLP solutions
- Develop and deploy NLP solutions at scale in production environments
- Participate in all phases of software development, including: system requirements definition, design and implementation, integration and testing
- Apply expertise in Machine Learning, Deep Learning, Natural Language Processing, Information Retrieval, and Information Extraction
- Deliver machine/deep learning solutions successfully into production
Other
- Proven solid communication skills
- All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter Policy
- Comply with all minimum wage laws as applicable
- Pass a drug test before beginning employment
- 3+ years of related professional work experience
