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Clarion

Senior Backend Engineer

LocationNYC Office
Work modeon-site
Typefull-time
DepartmentEngineering
Company size11+ people
First seen5mo ago
Last seen25m ago
About Clarion
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.
Why This Role Is Special
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Real traction, early-stage impact: Dozens of paying customers, rapidly growing revenue, and the opportunity to own foundational backend systems at a critical inflection point.
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Mission-critical problem: Healthcare communication failures affect millions daily—your work directly powers systems patients and providers rely on.
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Elite technical context: Work closely with founders who deeply understand both healthcare operations and large-scale AI systems, enabling fast decisions and real ownership.
What You’ll Own
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Core backend systems: Design, build, and own the services, data models, and business logic powering Clarion’s AI agents and healthcare workflows.
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Workflow orchestration: Build infrastructure for multi-step, asynchronous workflows—including agentic AI workflows with conditional logic, retries, and graceful failure handling.
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Healthcare integrations: Own high-stakes integrations with EHRs and legacy healthcare platforms via APIs and RPA.
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Platform foundations: Create internal abstractions and tooling that allow the team to deploy and customize AI assistants for new customers quickly and reliably.
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Security and compliance: Implement and maintain backend authentication, authorization, and HIPAA-compliant architecture required for enterprise healthcare.
Interesting Technical Challenges
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Generative AI at Scale: Design and operate production systems using LLMs with real-time monitoring, safety controls, and enterprise reliability.
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Agentic workflows: Architect backend systems that coordinate AI agents across complex healthcare workflows with strong guarantees.
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Enterprise reliability: Build systems supporting thousands of concurrent patient interactions with high uptime and fast incident detection.
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Fragmented healthcare systems: Design resilient abstractions across modern APIs and legacy EHRs while maintaining security and compliance.
What We’re Looking For
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5+ years of experience designing, building, and scaling backend systems in high-reliability production environments.
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Strong backend expertise across APIs, relational databases, async workflows, and distributed systems.
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High ownership and agency—you thrive in ambiguity and take responsibility for system outcomes.
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Ability to communicate clearly, collaborate cross-functionally, and surface risks early.
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Bonus: experience with security, auth, or regulated environments (HIPAA familiarity is a plus).
You’ll be a great fit if you enjoy owning critical backend systems end-to-end, solving complex problems under real-world constraints, and building infrastructure that directly impacts patient care.
Interview Process
We move quickly and communicate clearly at every stage:
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Intro Chat (30 min, Virtual): Background, role context, and mutual fit.
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Technical Deep Dive (1 hr, Virtual): Backend systems and architecture with the CTO and a senior engineer.
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Onsite Team Day (Half Day, NYC): Collaborate on real problems, present a past project, meet the team, and assess mutual fit.
Decisions are typically made within 24 hours of each stage.
More roles at Clarion
Deployment StrategistFounding Marketing LeadAccount ExecutiveStrategy & Operations LeadSenior Software Engineer (Fullstack)
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