Join Optum, a global leader in healthcare technology, dedicated to improving health outcomes through innovative solutions. We are seeking a Senior AI/ML Engineer to contribute to our mission of advancing health optimization worldwide. You'll be part of a diverse and inclusive culture, working alongside talented peers with access to comprehensive benefits and career development opportunities. Make a tangible impact on communities by driving the future of healthcare technology.

Shape the future of AI in healthcare by experimenting with novel ML and Generative AI architectures. Develop and maintain sophisticated embedding models, and support Retrieval Augmented Generation (RAG) solutions, including semantic search and LLM integration. Design and implement cutting-edge AI-powered enterprise applications, analyze large datasets to uncover actionable insights, and enhance existing models for improved accuracy and performance. Optimize AI pipelines for scalability and efficiency, and collaborate with cross-functional teams to integrate AI/ML solutions into enterprise systems. Mentor junior engineers and interns on AI/LLM techniques while ensuring adherence to company policies and directives.

A Bachelor's or Master's degree in Computer Science, Engineering, Mathematics, Statistics, or a related field is required, alongside a minimum of 4 years of hands-on experience in ML model development. Proficiency in Databricks, Spark, Python, Scala, and SQL is essential. Expertise in creating custom embedding models, building RAG pipelines, utilizing vector databases, semantic search, and LangChain for agentic workflows is crucial. Experience with OpenAI/Azure OpenAI APIs and Azure cloud services for compute, security, and resource management is expected. Familiarity with CI/CD practices using Git, GitHub Actions/Jenkins, and Terraform, along with a proven ability to build ML models end-to-end, is necessary. Excellent communication and partnership skills are paramount.