The Role
Lead design and build of RAG-based GenAI systems on Azure, develop Python backend services and React frontends, implement AI agents and LLM workflows, optimize models and MLOps pipelines, ensure scalability/observability, and collaborate across product and cloud engineering while contributing to Java Spring Boot services.
Summary Generated by Built In
Requisition Number: 2364928
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 inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.
Primary Responsibilities:
Required Qualifications:
Preferred Qualification:
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.
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 inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.
Primary Responsibilities:
- Design, develop, and maintain RAG-based (Retrieval-Augmented Generation) AI systems using Python and Azure AI services
- Build scalable backend services using FastAPI, Flask, and Quart with modular design principles
- Develop interactive user interfaces using React, npm, and Next.js
- Implement and optimize AI workflows leveraging Azure OpenAI (LLMs), Azure AI Search, Cosmos DB, Azure Storage Accounts, and other Azure-native components
- Design and build AI agents, including autonomous task agents, tool-integrated agents, and LLM-based function-calling architectures
- Write clean, maintainable Python code for data ingestion pipelines, embedding generation, prompt orchestration, vector interactions, and retrieval logic
- Participate in architecture discussions to build fault-tolerant, production-grade systems
- Contribute to best practices in observability, performance, scalability, and CI/CD
- Collaborate cross-functionally with product and cloud engineering teams to deliver features
- Contribute to Java-based services built using Spring Boot within the broader platform ecosystem
- Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regard to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so
Required Qualifications:
- Solid proficiency in Python and extensive experience in Generative AI (GenAI)
- Hands-on experience with Azure Cloud, including Azure OpenAI (LLMs, embeddings), Azure AI Search, Cosmos DB, Azure Storage Accounts, and Azure App Services or Functions
- Experience working with autonomous agent frameworks and agentic workflows
- Solid understanding of AI/LLM concepts such as tokenization, embeddings, vector databases, prompt engineering, prompt chaining, and Retrieval-Augmented Generation (RAG)
- Knowledge of model optimization techniques including fine-tuning vs prompt-based approaches, context handling, grounding, and hallucination mitigation
- Familiarity with knowledge distillation, evaluation metrics, LLM function calling, and tool integration
- Understanding of MLOps and AI engineering practices including data ingestion pipelines, embedding generation and indexing, performance monitoring, caching strategies, and latency optimization
Preferred Qualification:
- Experience with CI/CD tools such as Azure DevOps or GitHub Actions
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.
Skills Required
- Solid proficiency in Python and extensive experience in Generative AI (GenAI)
- Hands-on experience with Azure Cloud, including Azure OpenAI (LLMs, embeddings), Azure AI Search, Cosmos DB, Azure Storage Accounts, and Azure App Services or Functions
- Experience working with autonomous agent frameworks and agentic workflows
- Solid understanding of AI/LLM concepts such as tokenization, embeddings, vector databases, prompt engineering, prompt chaining, and Retrieval-Augmented Generation (RAG)
- Knowledge of model optimization techniques including fine-tuning vs prompt-based approaches, context handling, grounding, and hallucination mitigation
- Familiarity with knowledge distillation, evaluation metrics, LLM function calling, and tool integration
- Understanding of MLOps and AI engineering practices including data ingestion pipelines, embedding generation and indexing, performance monitoring, caching strategies, and latency optimization
- Experience with CI/CD tools such as Azure DevOps or GitHub Actions
Optum Compensation & Benefits Highlights
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Healthcare Strength — Health coverage offers copay and HSA medical options with dental, vision, company‑paid life and disability, and free or low‑cost virtual visits. Feedback suggests the offering is comprehensive and competitive on paper.
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Parental & Family Support — Time off and family supports include PTO, eight paid holidays plus a floating day, six weeks paid parental leave, up to two weeks paid caregiver leave, Bright Horizons back‑up care, and adoption assistance up to $10,000. Feedback suggests these resources are meaningful for caregivers and family needs.
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Retirement Support — Savings programs include a 401(k) with employer match (after one year, vesting after two) and a 10%‑discount Employee Stock Purchase Plan. These programs bolster long‑term financial security when combined with other savings resources.
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The Company
What We Do
Optum, part of the UnitedHealth Group family of businesses, 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 inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together. At Optum, we support your well-being with an understanding team, extensive benefits and rewarding opportunities. By joining us, you’ll have the resources to drive system transformation while we help you take care of your future. We recognize the power of connection to drive change, improve efficiency and make a difference in health care. Join a team where your skills and ideas can make an impact and where collaboration is key to creating technology that produces healthier outcomes.
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Optum Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Optum has three workplace models that balance the needs of the business and the responsibilities of each role. These models, core on‑site (5 days/week), hybrid (4 days/week) and telecommute or fully remote, vary by country, role and location.
Typical time on-site:
Not Specified
