Principal AI Systems Architect — Health Tech (Equity) | Visa

Legion Health, Inc.; San Francisco (CA); Hybrid; USD 250,000 - 400,000; Full time

Benefits offered by this job

Health insurance

Equity

Unlimited vacation

In-person retreats

Meal stipends

Job summary

Legion Health, Inc. is hiring a principal-level engineer to own the hardest systems in our AI-driven care platform. You’ll work across the end-to-end stack, from event-sourced clinical records to agent orchestration, with a focus on auditable, safe, scalable delivery.

We ship at unusual velocity using AI agents and human-in-the-loop controls, and you will shape the next phase of our platform, including e-prescribing and HIPAA-compliant safeguards.

Qualifications

• Owned architecture across multiple codebases or companies.
• Experience shipping at high velocity with AI agents.
• Demonstrated ability to own complex problem spaces end-to-end.

Responsibilities

• Own the factory spine to maximize leverage with frequent PRs and safe deploys.
• Lead the clinical work spine with auditable, fail-closed guardrails.
• Advance agent operations in production with controlled autonomy.
• Oversee data, analytics, and pipelines to reflect real outcomes.
• Collaborate with leadership to align architecture decisions.

Skills

Architecture

AI agents

Full-stack

TypeScript

Tools

Postgres

Next.js

AWS

Job description

Legion Health, Inc. is hiring a principal-level engineer to own the hardest systems in our AI-driven care platform. You’ll work across the end-to-end stack, from event-sourced clinical records to agent orchestration, with a focus on auditable, safe, scalable delivery.

We ship at unusual velocity using AI agents and human-in-the-loop controls, and you will shape the next phase of our platform, including e-prescribing and HIPAA-compliant safeguards.