AI ML Engineer

• Design, develop, and deploy robust AI-powered solutions and agentic AI workflows to address complex clinical and business challenges, with an emphasis on the responsible and ethical use of AI
• Build and implement agentic AI systems that reason over clinical workflows, orchestrate multi-step tasks, interact with APIs and system tools, and integrate human-in-the-loop decision-making frameworks
• Develop scalable, reusable AI components using LLM orchestration frameworks, advanced prompt engineering patterns, retrieval-augmented generation (RAG), and vector databases
• Use Python as a core engineering language to write production-grade automation scripts, pipelines, backend services, and reusable integration components
• Leverage enterprise-approved AI tools and developer platforms to streamline workflows, automate repetitive tasks, and drive continuous platform improvement
• Evaluate emerging AI trends, agent patterns, and automation frameworks to inform secure solution design and drive continuous, strategic platform innovation
• Collaborate closely with product, clinical, data, architecture, security, and engineering teams to translate complex requirements into secure, compliant, and production-ready capabilities
• Support the operationalization, monitoring, observability, and MLOps/LLMOps of AI systems, ensuring compliance with healthcare data privacy, security, and regulatory guidelines

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.

• Bachelor’s degree
• 5+ years of experience in AI/ML engineering, software engineering, data engineering, or automation engineering, with hands-on experience delivering production-grade solutions
• 3+ years of experience using Python for automation, backend services, API integrations, and code deployment
• 2+ years of experience building solutions using Large Language Models (LLMs), generative AI, prompt engineering, or retrieval-augmented generation (RAG)
• 1+ years of experience developing agentic AI systems, including multi-step reasoning workflows, task orchestration, or tool-calling agents
• Hands-on experience with modern AI orchestration frameworks (e.g., LangChain, LangGraph, LlamaIndex, Semantic Kernel, AutoGen, CrewAI, or cloud-native AI services)
• Experience deploying scalable AI solutions within cloud environments (e.g., Azure, AWS, GCP) using microservices, containers, or serverless architectures, * Master’s degree in Computer Science, Data Science, Engineering, Artificial Intelligence, or a related field
• Experience developing AI solutions specifically for healthcare domains, such as care management, clinical documentation, utilization management, or clinical applications
• Experience configuring and integrating vector databases or search platforms (e.g., Azure AI Search, Pinecone, Weaviate, FAISS, Chroma, OpenSearch, or Elasticsearch)
• Experience with traditional ML frameworks (e.g., PyTorch, TensorFlow, scikit-learn) combined with LLM-based workflows
• Experience with LLM evaluation frameworks, prompt versioning, synthetic data generation, and LLMOps monitoring tools
• Solid understanding of security design in regulated environments, including role-based access control, encryption, and safe handling of PII/PHI
• All employees working remotely will be required to adhere to UnitedHealth Group’s Telecommuter Policy, Access Control, Amazon Web Services (AWS), Application Programming Interface (API), Artificial Intelligence (AI), Automation, Automation Engineering, CASE (Computer-Aided Software Engineering), Clinical Data, Clinical Information Systems, Clinical Study Publications, Cloud Computing, Computer Science, Cryptography, Data Analysis, Data Science, Elasticsearch, GCP (Good Clinical Practices), Healthcare, Information/Data Security (InfoSec), International Health, Internet Security, Kernel Programming, Leading Edge Technology, Maintain Compliance, Medical Products, Microservices, Microsoft Windows Azure, Modeling Languages, Patient Care, Privacy Controls, Process Improvement, Python Programming/Scripting Language, Regulations, Scalable System Development, Scripting (Scripting Languages), Security Architecture, Security Design, Software Engineering, System Integration (SI), Trend Analysis, Utilization Management, Work From Home

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 $120,100 - $214,500 annually based on full-time employment. We comply with all minimum wage laws as applicable.

Optum Tech is a global leader in health care innovation. Our teams develop cutting-edge solutions that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve some of health care’s most complex challenges. Your contributions here have the potential to change lives. Ready to build the next breakthrough? Join us to start Caring. Connecting. Growing together.

Join our innovative technology team at Optum Health Financial Technology dedicated to designing, developing, and deploying high-impact, AI-powered solutions across our Care Management and Clinical platforms. In this senior-level role, you will focus on building agentic AI workflows, LLM-based automations, clinical summarizations, and case preparation tools to optimize clinical workflows. You will design and deploy advanced reasoning systems that leverage enterprise AI platforms, prompt engineering patterns, and retrieval-augmented generation (RAG) models. This role offers an exciting opportunity to build scalable, reusable components that integrate human-in-the-loop decision-making directly into platforms that support patient care, financial technology integration, and overall health outcomes.

You’ll enjoy the flexibility to work remotely * from anywhere within the U.S. as you take on some tough challenges.

For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week., 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., UnitedHealth Group is a health care and well-being company that’s dedicated to improving the health outcomes of millions worldwide. We are comprised of two distinct and complementary businesses, UnitedHealthcare and Optum, working to build a better health system for all. Here, your contributions matter as they will help transform health care for years to come. Make an impact with a diverse team that shares your passion for helping others.

What we do

Gain insights on how we work to help people live healthier lives and help make the health system work better for everyone by watching this video.

https://www.youtube.com/watch?v=5PbNyi2IDkY

Caring. Connecting. Growing together.

Being a part of UnitedHealth Group means working to improve health outcomes for everyone, including yourself. Here is how:

• Caring. Your total health and well-being are important to us. Whatever matters most to you - we have resources to help you be your best at work and at home. The benefits range from free Peloton courses to financial counseling. Learn more about what we offer.

• Connecting. We recognize our collective power to make an impact across our communities because we believe the health of any society is measured by the overall health of its people. Learn more about our culture.

• Growing together. UnitedHealth Group is full of inspiring career stories, and we offer a lifetime of opportunities. Discover all the ways you can learn, grow and develop.

Company Size: 10,000 employees or more

Industry: Healthcare Services