# Senior Software Engineer (Fullstack)

**Company:** [Clarion](https://hotfix.jobs/companies/clarion)
**Location:** New York, NY
**Role:** Fullstack Engineering
**Salary:** $150k – $225k/yr
**Experience:** 5+ years
**Skills:** Node.js, TypeScript, React, Postgres, LLMs, System Design, HIPAA, Ehrs, Real-Time Voice, APIs
**Posted:** 2026-02-22

> Leads deployment, performance, and reliability of AI agents in high-stakes healthcare environments. Architects scalable full-stack systems integrating EHRs, legacy platforms, and real-time voice; requires 5+ years experience with Node.js, TypeScript, React, PostgreSQL.

## Job Description

## Responsibilities
- Lead the deployment, performance, and reliability of AI agents operating in live, high-stakes healthcare environments.
- Architect and scale full-stack systems integrating with EHRs, legacy healthcare platforms, and real-time voice infrastructure.
- Drive technical strategy for customer-facing solutions, collaborating with product and engineering to translate client needs into scalable architecture.
- Mentor engineers and set standards for code quality, testing, security, and HIPAA-compliant development.
- Shape product roadmap by identifying systemic challenges in customer workflows and proposing high-leverage technical solutions.

## Requirements
- **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.

## Interesting Technical Challenges
- Generative AI at Scale: Design and operate production systems using **LLMs** with rigorous safety, alignment, and real-time monitoring at enterprise scale.
- Real-time voice infrastructure: Build ultra-low-latency systems supporting thousands of concurrent calls with 99.99% uptime.
- Fragmented healthcare systems: Design resilient abstraction layers across modern APIs and legacy platforms while maintaining security and compliance.
- Highly Personalized Experiences: Develop adaptive AI that retains patient context across sessions, personalizes tone and flow, and delivers conversations indistinguishable from human care.

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**Canonical:** https://hotfix.jobs/jobs/0a39224c-4ba3-4543-ac9b-97f553f79b92