Lead AI/ML Engineer - Remote or Eden Prairie, MN or Schaumburg, IL

UnitedHealth Group; Eden Prairie (MN); Hybride; USD 146 000 - 250 000; Plein temps

Avantages offerts par ce poste

Comprehensive benefits package

Incentive and recognition programs

Equity stock purchase

401k contribution

Résumé du poste

UnitedHealth Group's Optum Tech team seeks a Lead AI/ML Engineer to architect and implement high‑performance backend systems and intelligent automation across distributed clinical applications. You will guide cross‑functional teams to deliver secure APIs, data integration pipelines, and observability in a cloud environment.

The role emphasizes collaboration with data scientists and product stakeholders, with a focus on scalable, secure production systems and end‑to‑end CI/CD workflows in a

Qualifications

• 7+ years of experience in AI/ML engineering or related fields.
• 3+ years with Large Language Models (LLMs), generative AI, prompt engineering, or retrieval‑augmented systems (RAG).
• 3+ years building event‑driven backend components using Apache Kafka.
• 3+ years working with relational databases (Oracle, PostgreSQL, or MySQL) using Spring Data JPA and Hibernate.
• 3+ years implementing API security protocols (OAuth 2.0, JWT, OAuth Client Credentials).
• 2+ years developing agentic AI systems, including multi‑step reasoning workflows or tool‑calling agents.
• Hands‑on experience with modern AI orchestration frameworks (LangChain, LangGraph, LlamaIndex, Semantic Kernel, AutoGen, CrewAI, etc.).
• Experience deploying scalable AI solutions in cloud environments (Azure, AWS, GCP) using microservices/containers.

Responsabilités

• Lead design, development, and deployment of scalable backend services and AI/ML integrations.
• Build event-driven components using Apache Kafka and integrate with Oracle/PostgreSQL/MySQL via Spring Data JPA/Hibernate.
• Apply API security protocols (OAuth 2.0, JWT) to secure microservices and endpoints.
• Lead CI/CD automation, containerization, and cloud deployment with Docker, Kubernetes, and AWS/Azure.
• Establish end‑to‑end monitoring and observability across distributed clinical systems using Splunk, ELK, Prometheus, Grafana.
• Drive engineering best practices, code quality, and continuous improvement within the team.
• Collaborate with data scientists, software engineers, and product stakeholders to operationalize AI solutions.

Connaissances

AI/ML engineering

LLM experience

Kafka event-driven

Spring Data JPA

API security OAuth/JWT

Agentic AI systems

AI orchestration frameworks

Cloud/microservices

Formation

Bachelor's or Master's degree in CS/SE or related field

Outils

Docker

Kubernetes

AWS

Azure

GCP

Spring Data JPA

Hibernate

Oracle

PostgreSQL

MySQL

Description du poste

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.

As a Lead AI/ML Engineer within Optum Technology, you will lead the architecture, design, and implementation of high-performance, event-driven backend systems and intelligent automation solutions supporting distributed clinical systems. You will collaborate with cross-functional technology and data teams to deliver secure API solutions, build robust data integration pipelines, automate CI/CD deployments, and establish end-to-end observability. This role offers the opportunity to leverage innovative cloud, streaming, and backend technologies to drive meaningful health outcomes at enterprise scale.

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.

Primary Responsibilities:

• Lead the design, development, and deployment of scalable backend services and AI/ML system integrations across distributed clinical applications
• Build event-driven backend components using Apache Kafka and integrate with relational databases (Oracle, PostgreSQL, MySQL) utilizing Spring Data JPA and Hibernate
• Apply deep expertise in API security protocols, including OAuth 2.0, JWT, and OAuth Client Credentials, to secure enterprise microservices and endpoints
• Lead CI/CD pipeline automation, containerization, and cloud deployment strategies using Docker, Kubernetes, and cloud infrastructure (AWS/Azure)
• Establish end-to-end monitoring, logging, and performance observability across distributed clinical systems using Splunk, ELK, Prometheus, and Grafana
• Drive engineering best practices, design reviews, code quality standards, and continuous technical improvement across the engineering team
• Collaborate with data scientists, software engineers, and product stakeholders to operationalize intelligent solutions into production environments

You will 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.

Required Qualifications:

• 7+ 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 building solutions using Large Language Models (LLMs), generative AI, prompt engineering, or retrieval‑augmented‑systems (RAG)
• 3+ years of experience building event‑driven backend components using Apache Kafka
• 3+ years of experience working with relational databases (Oracle, PostgreSQL, or MySQL) using Spring Data JPA and Hibernate
• 3+ years of hands‑on experience implementing API security protocols, including OAuth 2.0, JWT, and OAuth Client Credentials
• 2+ 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

Preferred Qualifications:

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field
• Experience integrating machine learning models or AI services into enterprise Java microservices
• Experience working in Agile/Scrum team environments
• Knowledge of MLOps principles, model tracking, and deployment pipelines
• Familiarity with healthcare data standards (e.g., FHIR, HL7) and HIPAA security practices

All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter Policy.

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 $145,500 - $249,500 annually based on full-time employment. We comply with all minimum wage laws as applicable.

• a comprehensive benefits package
• incentive and recognition programs
• equity stock purchase
• 401k contribution

Application Deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants.

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.

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