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AI Founding Engineer at Juno

Juno· Engineering
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Hybrid (San Francisco, CA)$130k - $200k + equityFull-timePosted 3mo ago

About the role

AI health assistant startup seeking its first AI founding engineer to design and build core AI systems for patient conversations, health reasoning, retrieval, and reliable infrastructure.

Responsibilities

  • Design and ship the LLM pipelines that power Juno's conversations and health reasoning
  • Build retrieval and memory systems that turn patient history into personalized guidance
  • Own model evaluation, prompt quality, and safety guardrails for a clinical-grade product
  • Build data pipelines that extract structured signals from conversations, biometrics, and records
  • Work closely with the founders to turn ambiguous product ideas into working AI systems
  • Use AI-native tools to prototype and ship faster than most teams think possible

Qualifications

  • You've built and shipped production AI systems, ideally involving LLMs, RAG, or agents
  • You're comfortable across the stack: backend services, data pipelines, and model integration
  • You have strong Python skills and experience with modern AI/ML frameworks
  • You know how to evaluate, test, and harden LLM-based systems for reliability
  • You care about precision and safety, especially when the product touches people's health
  • You can move fast and take ownership without needing much process
  • You can relocate to San Francisco (we can sponsor a visa)

Skills

Required:PythonMachine LearningLLMs / RAG / Agents

Benefits

  • Visa sponsorship available
Last updated Oct 25, 2026. Interested? Apply on the company site.
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About Juno

AI Health Assistant for Chronic Illness

Juno is an AI personal health assistant for the 1B+ people living with chronic illness. Launched in October, Juno now supports 125,000+ patients globally and has grown to $85K MRR.

Company profileWebsite

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