Optum is seeking to improve health outcomes by developing and enhancing a voice-based bot platform built on an LLM framework to connect people with care, pharmacy benefits, data, and resources they need to live healthier lives.
Requirements
- 5+ years of experience in delivering AI/ML projects in a production environment, preferably consumer-facing and high-traffic systems
- 5+ years of client-side application development, with a solid track record of building scalable and performant user-facing applications
- 5+ years of hands-on coding experience in JavaScript or Python—must be comfortable writing production-quality code
- 3+ years of hands-on development experience with Large Language Models (LLMs), including prompt engineering, fine-tuning, or custom LLM orchestration
- 2+ years of experience working with agentic AI architectures, including task decomposition, memory management, and autonomous agent workflows
- Experience in deploying scalable solutions to complex problems, from defining the problem, implementing the solution, and launching the new product successfully
- Proven skills in the following: NLP, NLU, NLI; Models: GPT, Llama, Mistral; Model Optimization; Retrieval & Ranking, RAG, RAGAS
Responsibilities
- Help design and develop the next generation of NLP, ML & AI products, and services for healthcare
- Develop machine learning and deep learning models and systems in domains including, but not limited to: NLP, NLU, NLG, SLU and multidimensional time series forecasting among others
- Exposure in RAG, LangChain, VectorDBs
- Ability to Quantize, Optimize GenAI models
- Manage NLP & ML models lifecycle for a suite of products
- Run large complex proof-of-concepts for the healthcare business
- Lead the full end-to-end machine learning development process including data ingestion and preparation, feature engineering, analysis and modeling, model deployment, performance tracking and documentation
Other
- Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment)
- Work with a great deal of autonomy to find solutions to complex problems
- Pass a drug test before beginning employment
- The salary for this role will range from $89,900 to $160,600 annually based on full-time employment
- Application deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected
