Lead AI/ML Engineer - Remote

• Design develop and deploy production-grade AI-powered solutions-spanning classical ML Generative AI (LLMs RAG Graph RAG) and multi-agent orchestration frameworks-to address complex business challenges with emphasis on responsible and secure AI practices
• Own the end-to-end AI/ML technical roadmap defining architectural direction choosing optimal technologies and establishing engineering and coding standards for the team's portfolio
• Use enterprise-approved AI tools to streamline workflows automate tasks and drive continuous improvement across the development lifecycle optimizing team productivity and operational efficiency
• Evaluate emerging trends and technologies (such as Agentic AI foundation models fine-tuning and enterprise AI tooling) to inform high-quality solution design and strategic innovation
• Drive MLOps maturity across development pipelines overseeing model versioning CI/CD for ML retraining automation drift detection and production monitoring
• Ensure compliance and ethical governance by aligning solutions with enterprise policies Responsible AI principles and data privacy regulations (HIPAA/PHI handling)
• Lead mentor and develop a team of 5-10 direct/indirect AI/ML engineers setting clear goals conducting regular 1:1s and fostering a high-performance self-managed culture
• Own and conduct robust technical reviews (architecture design and code reviews) to enforce rigorous standards security posture and pythonic best practices

• 10+ years of software development experience with a strong engineering and architecture foundation
• 2+ years of hands-on experience in AI/ML project implementation (full lifecycle from ideation data analysis model development through production deployment)
• Hands-on experience with NLP (text processing embeddings transformers NER text classification or conversational AI)
• Working experience with GenAI (RAG pipelines prompt engineering LLM integration fine-tuning techniques like LoRA and enterprise deployment)
• Experience or strong working knowledge of Agentic AI development (agentic workflows tool orchestration multi-agent systems or planning frameworks)
• Very solid Python programming skills with deep proficiency in production-grade coding code reviews and enforcing standards
• Driver's license and access to reliable transportation

• Bachelor's or Master's degree in Computer Science Engineering Mathematics Statistics or a related field (or equivalent professional experience)
• Experience with MLOps tooling (MLflow Weights & Biases Kubeflow etc.) for experiment tracking model registry and automation
• Familiarity with Responsible AI frameworks (bias detection fairness metrics model explainability like SHAP/LIME and adversarial red-teaming)
• Knowledge of Graph RAG knowledge graphs and ontology-based reasoning systems

What We Do

Optum part of the UnitedHealth Group family of businesses 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. At Optum we support your well-being with an understanding team extensive benefits and rewarding opportunities. By joining us you’ll have the resources to drive system transformation while we help you take care of your future. We recognize the power of connection to drive change improve efficiency and make a difference in health care. Join a team where your skills and ideas can make an impact and where collaboration is key to creating technology that produces healthier outcomes.

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