Join Optum, a global leader dedicated to improving health outcomes through innovative technology. We are seeking a seasoned Senior Full Stack AI Engineer to spearhead the design, development, and deployment of cutting-edge AI-powered applications. This role requires a blend of AI/ML engineering, Generative AI expertise, modern frontend and backend development skills, and proficiency with cloud-native platforms. You will be instrumental in building scalable, secure, and production-ready solutions that connect people with the care and resources they need. Embrace a culture of inclusion and collaboration as you advance health optimization worldwide.

Key responsibilities include developing and deploying AI-powered applications following the AI Development Lifecycle (AIDLC), translating business requirements into scalable AI solutions, and operationalizing machine learning and Generative AI models. You will build modern full-stack applications using React, Next.js, TypeScript, Node.js, and Python, creating responsive user interfaces and robust backend services. This role also involves integrating AI/ML capabilities, developing solutions with LLMs and RAG, and implementing MLOps and CI/CD practices for seamless deployment and monitoring. You will also contribute to application security, quality assurance, and mentor junior engineers.

Ideal candidates possess a Bachelor's degree in a relevant field and over 8 years of software engineering or AI/ML development experience. Essential skills include proficiency in React, Next.js, TypeScript, Node.js, Python, and integrating AI/ML into applications. Hands-on experience with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Prompt Engineering, Semantic Search, and Agentic AI workflows is required. Familiarity with API development, microservices, MLOps, CI/CD, and cloud platforms (Azure, AWS, GCP) is crucial. A strong understanding of application security, observability, performance optimization, and production engineering practices is also necessary.