Senior AI Engineer — LLMs, RAG, & HIPAA-Safe Backend

Humana; Chicago (IL); On-site; USD 107,000 - 147,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

401(k) plan

Paid time off

Parental leave

Disability insurance

Life insurance

Job summary

Humana in Chicago is seeking a Senior Software Engineer to develop AI-powered healthcare software, including LLM features and RAG pipelines for clinical settings.

Join a team delivering production AI capabilities with strong Python/Typescript expertise, REST/GraphQL APIs, and a focus on secure handling of sensitive health data. This role requires autonomous, high-judgment work in a fast-growing environment.

Qualifications

• BS or MS in Computer Science, Engineering, or related field (or equivalent experience).
• 5+ years of software engineering experience, with 2+ years building production AI/ML systems.
• Hands-on experience with large language models and orchestration frameworks (LangChain, LlamaIndex, or equivalent).
• Proficiency in Python, Typescript and ML libraries (Hugging Face, PyTorch, scikit-learn, or similar).
• Experience building REST or GraphQL APIs that serve AI/ML model outputs.
• Solid understanding of RAG pipeline design and vector databases (Pinecone, Weaviate, pgvector, or similar).
• Experience building custom LLM and agent evals, including automated testing of model outputs, agent trajectories, and failure modes.
• Awareness of HIPAA requirements and secure handling of sensitive health data.

Responsibilities

• System Development: Build and maintain LLM-powered features including retrieval-augmented generation systems, structured prompt pipelines, and intelligent workflow automation deployed in clinical settings.
• Model Evaluation: Implement and iterate on evaluation frameworks to measure accuracy, safety, and reliability of AI outputs in production. Contribute to ongoing monitoring and quality improvement of deployed models.
• Backend Service Development: Build Python or Typescript based backend services that expose AI capabilities to product and clinical applications via REST, GraphQL APIs and Websockets.
• Infrastructure and MLOps: Contribute to AI infrastructure design, deployment automation, and operational tooling as the team scales.
• HIPAA-Compliant Development: Ensure all systems meet HIPAA standards and that protected health information is handled appropriately throughout the stack.
• Technical Collaboration: Participate actively in architecture discussions, code reviews, and technical design sessions. Help set and uphold team engineering standards in a new, growing team.

Skills

Python

Typescript

LLM/AI systems

REST/GraphQL APIs

LangChain

LlamaIndex

HIPAA compliance

MLOps

Pinecone/Weaviate/pgvector

Python/TS backend development

Education

Bachelor's or Master's in CS/Engineering

Job description

Humana in Chicago is seeking a Senior Software Engineer to develop AI-powered healthcare software, including LLM features and RAG pipelines for clinical settings.

Join a team delivering production AI capabilities with strong Python/Typescript expertise, REST/GraphQL APIs, and a focus on secure handling of sensitive health data. This role requires autonomous, high-judgment work in a fast-growing environment.