Startups · AI

Senior Software Engineer (Fullstack)

Clarion · NYC Office · On-site

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About Clarion

Automate scheduling, referrals, and patient engagement 24/7. Clarion's AI handles every call, cuts no-shows in half, and doubles referral conversion. Backed by Y Combinator.

About the role

Mission-critical problem: Healthcare communication failures affect millions daily—your work directly improves patient access and outcomes. High ownership and agency—you thrive in ambiguity and take responsibility for outcomes.

What they're looking for

  • 5+ years of experience designing, building, and scaling production systems in high-reliability environments
  • Strong full-stack expertise with Node.js, TypeScript, React, and PostgreSQL, plus solid system design instincts
  • High ownership and agency—you thrive in ambiguity and take responsibility for outcomes
  • Proven ability to mentor engineers , lead cross-functional efforts, and communicate technical trade-offs clearly
  • You’ll be a great fit if you enjoy owning complex systems end-to-end, solving hard problems under real-world constraints, and working closely with customers and teammates to deliver mission-critical software
More about this role

At Clarion, we’re rebuilding how healthcare communicates in the age of AI.

Today, clinics miss 30–40% of patient calls, while staff are overwhelmed by administrative work. We believe AI agents should handle these workflows—scheduling, billing, prescription refills, and follow-ups—so healthcare teams can focus on actual patient care.

We’re building the communication infrastructure modern healthcare needs. Our AI agents don’t just answer calls—they complete workflows end-to-end, ensuring patients never go unheard. To date, we’ve handled hundreds of thousands of patient interactions across virtual care companies, health systems, and a $5B health insurance company.

Clarion was founded by a Stanford/Harvard-trained physician (founding team at Two Chairs and Ophelia) and an ex-Amazon Alexa engineer who led AI/ML teams at Salesforce. We’ve raised $10M from Accel, Y Combinator, Sequoia (Scout), and leading healthcare founders. We’re an in-person team in New York, moving fast to solve one of healthcare’s most critical problems.

Real traction, early-stage impact: Dozens of paying customers, rapidly growing revenue, and the chance to shape core systems at an inflection...

Read the full posting on Clarion's site ↗

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