Senior Data Scientist: AI & Healthcare Analytics (Remote)

UnitedHealth Group; Eden Prairie (MN); Remote; USD 92,000 - 164,000; Full time

Job summary

UnitedHealth Group is seeking a Senior Data Scientist for its Payment Integrity Decision Intelligence team to advance healthcare analytics with machine learning and large language models. You will build, evaluate and deploy models that improve claims payments and support data-driven decisions.

Work is remote within the U.S. with in-person requirements for certain sites; collaborate with engineering, product, and business stakeholders to translate complex data into actionable insights, while

Qualifications

• 3+ years of experience developing and deploying predictive models using machine learning, deep learning, NLP, or related techniques.
• 3+ years of experience using machine learning libraries and frameworks such as Scikit-learn, PyTorch, TensorFlow, or SparkM
• 3+ years of professional experience programming in Python for data science and machine learning applications
• 2+ years of experience writing complex SQL queries for data extraction, transformation, and analysis
• 1+ years of hands-on experience with large language model (LLM) frameworks such as Hugging Face Transformers, LangChain, or OpenAI APIs
• 1+ years of experience working with cloud platforms such as AWS, Azure, or GCP
• Experience using Apache Spark for distributed data processing and large-scale data transformations
• Experience using Git for version control and collaborative software development

Responsibilities

• Utilize large language models (LLMs) to enhance analytic methodologies and support innovation across core product lines
• Design, develop, and maintain data science solutions, including data preparation, feature engineering, model development, evaluation, deployment, and monitoring
• Collaborate with engineering and product teams to implement and maintain scalable machine learning models in production environments
• Communicate technical findings, insights, and recommendations clearly to both technical and business stakeholders
• Support innovation initiatives in machine learning and AI by evaluating and applying new techniques and technologies
• Independently analyze complex data problems and recommend actionable solutions that deliver measurable business value
• Contribute to best practices in model development, code quality, documentation, and reproducibility
• Partner with cross-functional teams to ensure analytical solutions align with business objectives and operational needs
• Assist in evaluating and implementing emerging technologies such as foundation models, retrieval-augmented generation (RAG), and advanced NLP techniques
• Demonstrated problem-solving, communication, and collaboration skills

Skills

Predictive modeling

NLP

Python for data science

LLM frameworks

SQL

Cloud platforms

Spark

Git

Tools

Scikit-learn

PyTorch

TensorFlow

Spark

Hugging Face

LangChain

OpenAI APIs

Job description

UnitedHealth Group is seeking a Senior Data Scientist for its Payment Integrity Decision Intelligence team to advance healthcare analytics with machine learning and large language models. You will build, evaluate and deploy models that improve claims payments and support data-driven decisions.

Work is remote within the U.S. with in-person requirements for certain sites; collaborate with engineering, product, and business stakeholders to translate complex data into actionable insights, while