Staff Software Engineer - Full Stack [NYC or SF]

Concurrence•New York City, NY
•Onsite

About The Position

Concurrence is building a platform that healthcare organizations use to create clinical AI agents. Its Health World Model unifies health system data into an event-level record of patient care, while agents support work across the patient journey. The company says its agents have supported more than 10 million patient encounters. It is backed by Madrona, General Catalyst, and Optum Ventures, and has about 35 people working in person in New York and San Francisco. As a Staff Full Stack Engineer, you will build applications used by clinical teams, researchers, and customers. These include real-time oversight of live agent conversations, natural-language research over healthcare data, and tools for designing agent behavior without code. You will own features end to end, from database through user interface, in systems that handle sensitive patient data. The role emphasizes correctness and reliability, and involves working with designers, clinicians, and customers to refine product details. The position is on site in New York City or San Francisco.

Requirements

  • Have shipped production full-stack features end to end and owned their outcomes.
  • Be strong across the stack, from data modeling and APIs to modern front-end work.
  • Prioritize correctness and reliability, especially when handling sensitive data.
  • Have good product instincts and care about the user experience.
  • Be low ego, direct, and hold yourself to a high standard.
  • Be able to work on site in New York City or San Francisco.

Nice To Haves

  • Experience in a regulated or critical domain with a low margin for error, such as healthcare, finance, or legal.
  • Experience or familiarity with WebSockets and server-sent events (SSE) client and server implementations.
  • Background with design systems or complex UI state.
  • Experience with production AI or ML products.

Responsibilities

  • Build real-time interfaces for clinical oversight of live agent conversations.
  • Own features end to end, from schema to API to user interface.
  • Design tools that let non-engineers shape agent behavior safely.
  • Make healthcare data explorable through natural language.
  • Improve the reliability and performance of applications clinicians depend on.
  • Work with designers, clinicians, and customers to get product details right.

Benefits

  • Comprehensive health, dental, and vision insurance.
  • Daily catered lunch and dinner.
  • Mental health support and wellness coaching.
  • Flexible wellness stipend for fitness, therapy, or personal growth.
  • Annual learning budget for courses, books, or conferences.
  • Conference attendance budget for professional development.
  • Annual team offsite.
  • Academic collaboration opportunities.
  • Unlimited PTO.
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