Citizen Health · 9 hours ago
AI/Machine Learning Engineer
San Francisco, CA
Full-time
Hybrid
Senior Level
$150K/yr - $300K/yr
5+ years expCitizen Health is a company focused on transforming healthcare through the use of AI and data. They are seeking AI/Machine Learning Engineers to develop and deploy AI solutions that enhance patient care and clinical decisions, particularly in the realm of rare diseases.
Artificial Intelligence (AI)Big DataHealth CareLife SciencePersonal Health
Responsibilities
Design and implement end-to-end machine learning solutions, from data preprocessing to model deployment and monitoring
Develop and optimize agentic Large Language Models (LLMs) solutions for healthcare applications using techniques like fine-tuning and Retrieval-Augmented Generation (RAG)
Create robust data pipelines for validation, and deployment
Implement ML systems that can effectively process and analyze diverse healthcare data types, including structured clinical data, medical imaging, and unstructured text
Collaborate with backend engineers to integrate ML models into our production infrastructure
Ensure ML systems meet strict healthcare compliance requirements while maintaining high performance
Design and implement monitoring systems for model performance, data drift, and system health
Lead research initiatives to explore and implement state-of-the-art AI/ML techniques
Collaborate with clinical experts to validate model outputs and ensure medical accuracy
Stay current with the latest developments in AI/ML, particularly in healthcare applications
Qualification
Required
5+ years of experience in machine learning engineering, with a focus on production ML systems
Strong proficiency in Python and AI/LLM frameworks (LangChain, LangGraph, AutoGen, CrewAI)
Experience designing and implementing production-grade ML pipelines
Proven track record of deploying ML/LLM solutions in production environments
Strong understanding of ML fundamentals, including deep learning, NLP, and statistical modeling
Experience with ML ops tools and best practices
Proficiency in working with large-scale datasets and distributed computing
Strong software engineering skills and coding best practices
Degree in Computer Science or equivalent degree
Preferred
Hands-on experience integrating and optimizing Large Language Models (LLMs) in production environments
Proficiency with LLM tools and techniques such as LangChain, LlamaIndex, Prompt Engineering
Experience implementing Retrieval-Augmented Generation (RAG) systems
Familiarity with vector databases and efficient similarity search techniques for AI applications
Experience with message queuing systems and data streaming platforms
Familiarity with data processing and analytics technologies
Proven track record of high-quality coding and architectural design
Passion for creating robust, scalable, AI-driven systems that make a real-world impact in healthcare
Benefits
Comprehensive health, dental, and vision insurance
Unlimited paid time off, including a generous parental leave
Flexible hybrid work environment
Company
Citizen Health
Citizen Health is a personalized AI Advocate platform that helps patients understand and organize their medical information.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$44.5MKey Investors
8VCTransformation Capital
2025-08-14Series A· $30M
2024-11-19Seed· $14.5M
2023-12-13Seed
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