AI or ML Engineer

Role Overview

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. As an AI/ML Engineer, you will design, develop, and deploy scalable end-to-end AI/ML solutions for complex business problems, contributing to a culture guided by inclusion and career development.

Responsibilities

• Design, develop, and deploy scalable end-to-end AI/ML solutions for complex business problems
• Own the full model lifecycle including data preparation, feature engineering, model development, evaluation, and production deployment
• Build and optimize ML pipelines and workflows for scalability, reliability, and performance
• Develop advanced AI solutions using techniques such as NLP, deep learning, predictive modeling, and Generative AI
• Collaborate with product, engineering, and business teams to translate requirements into AI-driven solutions
• Integrate AI/ML models into enterprise applications and production systems
• Implement and manage MLOps practices including CI/CD, monitoring, retraining, and version control
• Monitor, troubleshoot, and continuously improve model performance in production environments
• Contribute to reusable frameworks, libraries, and engineering best practices
• Communicate technical designs, trade-offs, and outcomes clearly to stakeholders

Requirements

• Graduate degree or equivalent experience
• Experience with NLP, Large Language Models (LLMs), or Generative AI use cases
• Experience building enterprise-grade AI systems with solid reliability and governance requirements
• Experience mentoring junior engineers or owning small modules/projects
• Knowledge of Responsible AI practices including fairness, explainability, and bias mitigation
• Familiarity with distributed computing frameworks such as Spark or Ray

Skills

• NLP
• Generative AI
• MLOps
• Spark
• Large Language Models