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Founding Engineer

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Helpcare AI

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Location:
United States , San Francisco

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

140000.00 - 220000.00 USD / Year
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Job Description:

Legion Health (backed by Y Combinator) is building autonomous mental healthcare—AI that takes real responsibility across the full care loop: before the visit, during the visit, and after the visit. We run our own psychiatric practice, which means we ship into reality—not theory. We’re rebuilding the patient experience end-to-end.

Job Responsibility:

  • Own our event-driven backend
  • Build real LLM agents as coworkers
  • Shape human + AI ops UX
  • Define world-state & simulation
  • Own data, safety & compliance
  • Drive architecture & strategy

Requirements:

  • Owned real systems 0→1 or 1→N, not just tickets
  • Think in events, state, and invariants, not just CRUD endpoints
  • Either already LLM-fluent or a strong systems/backend engineer who can get dangerous fast
  • Care about velocity and correctness
  • Like small, high-candor teams and direct feedback
  • Want to see your work go live in production weekly

Nice to have:

  • Experience with Node.js / TypeScript, Postgres, or Supabase
  • Experience with LLMs, agents, tool-calling, or RAG
  • Experience in healthcare, fintech, or other regulated / high-stakes domains
  • Experience in early-stage startups or founding teams
What we offer:
  • Medical, dental, and vision benefits
  • In-person retreats
  • Meal stipends
  • Flexible, unlimited vacation policy
  • Early-Stage Equity: 0.2%–0.8% meaningful early ownership

Additional Information:

Job Posted:
February 13, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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