AI/ML Engineer

**Requisition number:** 2379353 **Job category:** Technology Research & Development Lead applied research in LLMs, generative AI, and multimodal models. Evaluate and experiment with state-of-the-art architectures (e.g., Transformers, Diffusion Models, Retrieval-Augmented Generation). Publish internal whitepapers and contribute to external conferences where applicable. Engineering & Implementation Design and implement scalable AIML pipelines using frameworks like PyTorch, TensorFlow, Hugging Face, and MLflow. Collaborate with engineering teams to deploy models into production using MLOps best practices (CI/CD, model versioning, monitoring). Tooling & Infrastructure Evaluate and integrate advanced AIML tools such as GitHub Copilot, Windsurf, Vertex AI, Azure OpenAI, and Hugging Face Transformers. Work with cloud platforms (AWS, Azure, GCP) to ensure scalable and secure model deployment. Architecture & Strategy Architect end-to-end AIML systems including data ingestion, model training, inference, and feedback loops. Partner with enterprise architects and product leaders to align AIML capabilities with business goals 3. Mentorship & Collaboration Mentor junior engineers and researchers. Collaborate with cross-functional teams including data scientists, software engineers, and business stakeholders. - Undergraduate degree or equivalent experience. Bachelor's or Relevant in Computer Science, Machine Learning, or related field. 4+ years of experience in AIML engineering and research. Proven expertise in LLMs, generative AI, and deep learning. Strong programming skills in Python and familiarity with ML libraries (e.g., scikit-learn, Keras). Experience with experiment tracking tools (e.g., Weights & Biases, MLflow). Hands-on experience with MLOps, model deployment, and monitoring. Familiarity with AIML governance, ethics, and responsible AI practices **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 has to 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.** **SM** Diversity creates a healthier atmosphere: UnitedHealth Group is an Equal Employment Opportunity/Affirmative Action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status, sexual orientation, gender identity or expression, marital status, genetic information, or any other characteristic protected by law. UnitedHealth Group is a drug-free workplace. Candidates are required to pass a drug test before beginning employment.