Senior AI and ML 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.

Primary Responsibilities

Take ownership of designing, developing, testing, deploying, and maintaining machine learning models and AI-powered systems (including LLM-based applications) for consumer-facing platforms.

Participate actively in the full AI lifecycle: contributing to brainstorming and conceptualization, rapid prototyping and experimentation, and writing high-quality, robust production code.

Contribute significantly to the architecture, implementation, and management of cloud infrastructure for AI solutions, utilizing Infrastructure as Code principles for reliable deployments.

Design and build reusable AI/ML platforms, components, and frameworks to accelerate innovation and improve engineering efficiency across the Consumer Engineering team.

Provide technical guidance and mentorship to junior engineers through code reviews, design discussions, and knowledge sharing. Lead by example in technical best practices.

Collaborate closely with product managers, designers, and other engineers to understand requirements, refine technical approaches, and deliver scalable, impactful AI solutions.

Stay current with the latest advancements in AI/ML and software engineering, evaluate new technologies, and propose innovative ways to tackle healthcare challenges.

Troubleshoot complex technical issues, identify root causes, and implement effective solutions in both development and production environments.

Contribute to a team culture focused on technical excellence, continuous learning, and curiosity

Qualifications

Candidate must have 3+ years of relevant experience with the following:

Machine learning models and AI-powered systems including LLM-based applications

Python

AWS, Azure, or GCP experience

Experience building with LLMs

CI/CD pipelines

API development through frameworks like FastAPI, Flask, or others

Careers with Optum. Here's the idea. We built an entire organization around one giant objective; make the health system work better for everyone. So, when it comes to how we use the world's large accumulation of health-related information, or guide health and lifestyle choices or manage pharmacy benefits for millions, our first goal is to leap beyond the status quo and uncover new ways to serve. Optum, part of the UnitedHealth Group family of businesses, brings together some of the greatest minds and most advanced ideas on where health care must go in order to reach its fullest potential. For you, that means working on high performance teams against sophisticated challenges that matter. Optum, incredible ideas in one incredible company and a singular opportunity to do your life's best work.