Senior AI/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 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:

• Designing, developing, and implementing machine learning models and algorithms to solve complex problems.
• 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

• Experience building systems that communicate via message queues like Azure Service Bus.
• Deep, hands-on experience with FastAPI and Pydantic for building robust, schema-validated microservices
• Cloud-Native Development: Solid experience with Docker for applications and deploying orchestrated environments like Kubernetes (AKS).
• Experience on explainable AI (AXI) tools - such as LIME and SHAP
• Expert-level Python for Production Systems: Proven ability to architect and write clean, typed, and testable code for distributed systems.
• In-depth knowledge of LLM vulnerabilities (OWASP Top 10 for LLMs) and experience implementing guardrails against prompt injections and data
• Asynchronous & Concurrent Programming: Mastery of Python's asyncio to build scalable, I/O-bound services