Founding AI Engineer (Healthcare)
About the role
Clara is building the first AI-first medical practice. This role focuses on owning and scaling Clara's AI brain—an LLM-powered system for immediate diagnosis and treatment in a medical context. In-person in San Francisco, relocation and visa support available for the right candidate.
Responsibilities
- LLM integration & optimization (50%): Build and optimize LLM integration for medical insights, diagnosis and treatment; Implement streaming chat responses with proper error handling; Manage context windows for complex medical conversations; Optimize prompt engineering for clinical accuracy and safety; Control LLM costs through model selection, caching, and prompt efficiency
- AI infrastructure (30%): Build semantic search and RAG systems; Implement vector similarity search for medical record retrieval; Design memory systems for patient conversation context; Build evaluation framework for groundedness, safety, and correctness
- Medical AI safety (20%): Ensure AI responses are medically grounded (no hallucinations); Implement guardrails for high-risk medical scenarios; Monitor and improve AI quality metrics; Token management and cost monitoring
Qualifications
- 3+ years software engineering, including 12+ months shipping LLM applications to production
- Strong prompt engineering skills with measurable results
- Experience with RAG systems and semantic search
- Python for AI/ML workflows
- Understanding of token economics and cost optimization
- Care about AI safety in high-stakes domains
Skills
Benefits
- Health insurance and standard benefits
- Competitive SF salary ranges
- Meaningful founding team equity
About Clara
AI primary care doctor
Clara is an AI primary care and longevity practice from the team that founded and grew Circle Medical to $100M in revenue. Our mission at Clara is to add one billion years of healthspan to humanity. We do this with an AI with deep clinical knowledge, coupled with the ability to sift through medical data to detect trends and patterns that could be missed. Unlike Claude or ChatGPT, Clara can see your medical data and then act. Chat with Clara as you would a doctor and Clara can help with you make sense of symptoms, get medication refills, order and understand labs, and achieve health goals. Medical recommendations are preliminary until one of our human medical providers in the loop reviews and approves them.
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