Optum Tech (UnitedHealth Group) is seeking an AI/ML Engineer to design and build AI-powered features for provider chat and voice workflows. You will deliver end-to-end solutions from data preparation to deployment and monitoring in cloud environments, applying your expertise in NLP, LLMs, and classical ML.
What You'll Do
- Design and build AI-powered features using NLP/LLMs and classical ML for provider chat and voice workflows.
- Deliver end-to-end solutions spanning data preparation, modeling/experimentation, evaluation, API integration, deployment, and monitoring in cloud environments.
- Implement responsible AI guardrails including content safety, PHI/PII controls, prompt hygiene, and evaluation suites, collaborating with governance partners.
- Develop and maintain web services and APIs that expose ML capabilities, writing clear documentation and runbooks.
- Apply MLOps practices like CI for ML, model registry, and reproducible experiments, and contribute to on-call/operational support with mentorship.
- Collaborate with product, architecture, security, data, and platform teams to align with enterprise standards and deliver measurable outcomes.
- Continuously improve code quality, test coverage, latency, reliability, and cost per inference.
What We're Looking For
- 3+ years of total software engineering experience.
- 2+ years of experience with Python programming.
- 2+ years of experience building and integrating model-backed APIs/services (Python/Node/Java) into production systems.
- 1.5+ years of hands-on experience in AI/ML (e.g., NLP, GenAI, predictive modeling, or recommendations).
- 1.5+ years of experience working with AWS cloud and components including containers/serverless, IAM basics, storage/networking fundamentals, and logging/metrics.
- 1+ years of experience implementing security, access control, monitoring/alerting, and foundational resiliency/DR concepts for cloud applications.
- 1+ years of experience with versioning control, code reviews, automated testing, and CI/CD.
Nice to Have
- Bachelor's degree in Computer Science or a related field.
- Exposure to healthcare data and processes.
Technical Stack
- Languages: Python, Node, Java
- Cloud: AWS
- Specialties: NLP, LLMs, GenAI
Benefits & Compensation
- Annual compensation range: $98,547 to $175,978.
- Comprehensive benefits package.
- Incentive and recognition programs.
- Equity stock purchase plan.
- 401k contribution.
Work Mode
This is a hybrid position open to candidates located within the United States.
UnitedHealth Group is an Equal Employment Opportunity employer under applicable law. Qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations.
