legionhealth
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Founding Engineer | 👨🏻‍💻 AI-Native Mental Health Care (backed by Y Combinator, $3.3M+ ARR, $7M+ raised)

San Franciscofull-timemid
ExecutiveFounder
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Quick Summary

Overview

🧠 About Legion Health 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.

Technical Tools
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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:

Responsibilities

~1 min read
  1. Systems/portfolio deep dive (45 min) – walk through 1–2 systems you’ve shipped; architecture, tradeoffs, failure modes.

  2. Practical work trial (1.5 hours) – short, realistic backend/LLM-systems exercise. No LeetCode, no puzzles.

  3. Final onsite (1.5 hours) – meet the team, pair on a real issue, and talk through how you’d own a domain.

  • Estimated time-to-hire: 7–10 days

  • Start date: ASAP

What We Offer

~1 min read
Job type: Full-time
Role type: Engineering
Ideal Experience Level: Doesn’t matter if you’re cracked
US Visa Sponsorship: Yes
Salary: Competitive
Early-Stage Equity: 0.2%–0.8% meaningful early ownership
Health Insurance: Medical, dental, and vision benefits
Additional Perks: In-person retreats, meal stipends, etc.
Time Off: Flexible, unlimited vacation policy
Work Hours: Flexible but demanding because we're literally saving lives
Work Setup: In-person @ San Francisco HQ
Impact: Work on something that truly matters to millions of patients and families.
Autonomy and Learning: Ownership over your projects with the freedom to set priorities, shape processes, and drive outcomes end-to-end.
Growth Opportunities: As we scale, we envision our top performers from our founding team stepping into expanded roles and joining our executive leadership team.

Legion Health is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees, contractors, and applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, genetic information, or any other protected characteristic under applicable law. We encourage applicants from all backgrounds to apply.

Location & Eligibility

Where is the job
San Francisco
On-site at the office
Who can apply
Same as job location

Listing Details

Posted
December 8, 2025
First seen
May 8, 2026
Last seen
May 8, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
14%
Scored at
May 8, 2026

Signal breakdown

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legionhealthFounding Engineer | 👨🏻‍💻 AI-Native Mental Health Care (backed by Y Combinator, $3.3M+ ARR, $7M+ raised)