Applied AI Engineer (LLMs, Agents, and Healthcare AI) at Human Longevity, Inc. | South San Francisco, United States | Rezi

Applied AI Engineer (LLMs, Agents, and Healthcare AI) at Human Longevity, Inc.

Applied AI Engineer (LLMs, Agents, and Healthcare AI)

Human Longevity, Inc. · South San Francisco, United States

2 weeks ago

Applied AI Engineer (LLMs, Agents, and Healthcare AI)

Human Longevity, Inc. · South San Francisco, United States

20 days ago
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About the Role

We are looking for an exceptional Applied AI Engineer who can help build the future of AI in healthcare. This is a hands-on engineering role focused on building, deploying, and scaling real-world AI applications that create measurable impact across clinical, operational, and member experiences.

Responsibilities

  • Build AI-powered products and agentic systems that help clinicians, care teams, operations staff, and members work more effectively.
  • Rapidly prototype, deploy, and iterate on AI solutions using the latest advances in Large Language Models, Retrieval-Augmented Generation (RAG), agent frameworks, and healthcare data platforms.
  • Design, build, and deploy AI-powered applications from concept to production.
  • Rapidly prototype new ideas and transform them into production-ready systems.
  • Partner directly with clinicians, operators, and business stakeholders to identify high-value opportunities.
  • Deliver solutions that create measurable operational, clinical, or member-facing impact.
  • Design and deploy autonomous and semi-autonomous AI agents.
  • Implement multi-agent workflows that automate complex healthcare processes.
  • Evaluate and integrate modern agent frameworks and orchestration platforms.
  • Build AI assistants that support clinical operations, member engagement, and internal productivity.
  • Build applications leveraging state-of-the-art Large Language Models.
  • Develop Retrieval-Augmented Generation (RAG) systems across structured and unstructured healthcare data.
  • Optimize prompts, workflows, evaluation systems, and agent behavior.
  • Implement knowledge retrieval systems that unlock value from clinical, genomic, imaging, and operational data.
  • Build scalable data pipelines and AI services.
  • Create reusable AI components, APIs, and internal platforms.
  • Improve reliability, observability, performance, and security of AI systems.
  • Support deployment and monitoring of production AI applications.
  • Take ownership from idea through production deployment.
  • Work cross-functionally with engineering, clinical, operations, and leadership teams.
  • Continuously evaluate and improve AI solutions based on real-world outcomes.

Requirements

  • 4+ years of experience building software, AI, machine learning, or data-driven applications within healthcare, life sciences, biotechnology, genomics, diagnostics, digital health, or clinical environments.
  • Direct experience working with healthcare data, including one or more of: Clinical records, Laboratory data, Genomics data, Imaging reports, Physician documentation, Patient communications, Healthcare operational workflows.
  • Strong understanding of healthcare terminology, clinical workflows, and the practical challenges of deploying AI solutions in healthcare settings.
  • Proven experience building and deploying production AI applications.
  • Hands-on experience with Large Language Models (LLMs) and modern AI application development.
  • Experience with Retrieval-Augmented Generation (RAG), agentic AI systems, prompt engineering, and workflow automation.
  • Strong product mindset with the ability to identify business problems and rapidly build solutions.
  • Experience deploying systems used by real customers, clinicians, patients, or operational teams.
  • Strong proficiency in Python.
  • Experience with SQL and modern database technologies.
  • Experience with APIs, integrations, and distributed systems.
  • Familiarity with cloud platforms and modern software engineering practices.
  • Strong understanding of software architecture, testing, and deployment.
  • Experience with genomics, precision medicine, longevity medicine, radiology, pathology, or advanced diagnostics.
  • Experience with healthcare interoperability standards such as FHIR and HL7.
  • Experience building clinician-facing AI products.
  • Experience building patient-facing AI assistants.
  • Experience with healthcare privacy, security, and compliance requirements.
  • Startup or high-growth technology company experience.
  • Experience with OpenAI, Anthropic, Gemini, or similar foundation models.
  • Experience with LangGraph.
  • Experience with LangChain.
  • Experience with CrewAI.
  • Experience with AutoGen.
  • Experience with PydanticAI.
  • Experience with Vector databases.
  • Experience with Enterprise search systems.
  • Experience with Agent orchestration platforms.
  • Experience with Workflow automation tools.

Skills

  • Python
  • SQL
  • Large Language Models (LLMs)
  • Retrieval-Augmented Generation (RAG)
  • Agentic AI systems
  • Prompt engineering
  • Workflow automation
  • Cloud platforms
  • Software architecture
  • Testing
  • Deployment
  • APIs
  • Integrations
  • Distributed systems
  • Genomics
  • Precision medicine
  • Longevity medicine
  • Radiology
  • Pathology
  • Advanced diagnostics
  • FHIR
  • HL7
  • Healthcare privacy
  • Healthcare security
  • Healthcare compliance
  • OpenAI
  • Anthropic
  • Gemini
  • LangGraph
  • LangChain
  • CrewAI
  • AutoGen
  • PydanticAI
  • Vector databases
  • Enterprise search systems
  • Agent orchestration platforms
  • Workflow automation tools

Experience Level

  • 4+ years of experience

About the Company

  • Human Longevity, Inc. (HLI) is a leader in precision health, combining genomics, advanced imaging, biomarker testing, and artificial intelligence to transform the future of proactive healthcare.
  • Our mission is simple: help people live longer, healthier lives through earlier detection, personalized insights, and data-driven healthcare.
  • We believe AI will fundamentally reshape healthcare over the next decade. From clinician copilots and patient-facing assistants to autonomous workflows and intelligent healthcare operations, AI will become deeply embedded across every aspect of healthcare delivery.