Senior Software Engineer

Machine Learning Engineer

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 diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together.

If you live near Minnetonka, MN, you will enjoy the flexibility of a hybrid-remote role as you take on some tough challenges.

Primary Responsibilities:

• Design, develop, and productionize machine learning and generative AI solutions supporting Digital experience use cases, including conversational AI for Digital and eCommerce platforms
• Build and maintain end-to-end ML pipelines (data ingestion, feature engineering, training, evaluation, deployment, and monitoring) in cloud-native environments
• Develop scalable inference services and APIs to integrate ML models into M&R Sales digital platforms and applications
• Apply NLP, LLMs, embeddings, and deep learning techniques to enable impactful Digital experiences such as summarization and conversational workflows
• Collaborate closely with product stakeholders, UX designers, DevOps/CI-CD engineers, and security teams to translate Digital product requirements into production-ready AI/ML capabilities
• Apply an AI-first development approach by leveraging modern AI development tools such as VS Code (or equivalent) with GitHub Copilot, Codex, Claude Code, or similar tools
• Optimize models, pipelines, and infrastructure for cost, latency, and scale in high-volume consumer facing digital applications
• Implement Responsible AI practices, including bias assessment, data privacy safeguards, auditability, and governance aligned with enterprise standards
• Mentor junior engineers and contribute to AI/ML engineering standards, best practices, and reusable frameworks across M&R Sales Digital development teams
• Embed ethical AI principles-including fairness, transparency, and accountability-throughout the model development lifecycle
• Design, develop, and deploy AI-powered solutions to address complex business challenges with emphasis on responsible use of AI

You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear directions on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Required Qualifications:

• Bachelor's degree in Computer Science or Data Science, or similar related field
• 4+ years of hands-on experience in AI/ML, with a solid focus on natural language processing (NLP) and Language Models
• 3+ years of experience with libraries such as Langchain, OpenAI API, Hugging Face Transformers, or similar tools for finetuning and integrating LLMs
• 3+ years of hands-on experience with Python and version control tools like GitHub
• 1+ years of experience with agentic frameworks such as LangGraph, AutoGen, Bedrock, or Vertex AI, demonstrated by contributing to projects involving the design of modular and scalable AI agents
• 1+ years of experience with VS Code (or equivalent) with GitHub Copilot or Codex or Claude Code or equivalent, for AI-assisted development

Preferred Qualifications:

• Demonstrated solid communication skills with the ability to explain complex AI/ML concepts to non-technical stakeholders
• Experience working in Digital or eCommerce team or in a healthcare company
• Familiarity with Cloud Platform - Azure

Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The salary for this role will range from $91,700 - $163,700 annually based on full-time employment. We comply with all minimum wage laws as applicable.

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.