Lotus Health
Member of Technical Staff
San Francisco · On-site · Staff · Full-time · Posted Feb 20, 2026
About the job
Build and operate AI, data, retrieval, and multimodal systems that support safe, explainable AI-driven primary care and patient interactions.
What you'll do
- Build clinical AI agent workflows, product features, and safety guardrails.
- Improve medical knowledge retrieval, data pipelines, traceability, and model evaluation.
- Develop and optimize real-time voice and video AI, including model training and production monitoring.
What they ask for
- Strong programming skills, preferably Python.
- Experience with system refactors, schema migrations, and data infrastructure simplification.
- Familiarity with PostgreSQL (including JSONB and vector types) and AWS.
- Experience building production systems for AI or ML workflows, and hands-on experience with LLM APIs, prompt engineering, and shipping AI-powered product features.
Nice to have
- Familiarity with training infrastructure and frameworks such as PyTorch, Hugging Face, vLLM, or Axolotl; or experience with RLHF, DPO, or other alignment techniques.
- Experience with AI agents, LLM retrieval systems, real-time voice AI, multimodal models, or related infrastructure and monitoring tools.
Tools
Python, PostgreSQL, AWS, PyTorch, Hugging Face, vLLM, Axolotl, FastAPI
AI focus
Build clinical AI agents and product features; improve retrieval and evaluation; curate data and fine-tune models; develop real-time voice and video interactions; monitor model performance, safety, and quality.
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