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Senior Software Engineer (Fullstack)

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.

150k – 225kNew York, NYFullstack EngineeringOnsite5+ YOE

About the role

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.

Skills

Node.jsTypeScriptReactPostgresLLMsSystem DesignHIPAAEhrsReal-Time VoiceAPIs

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