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# Staff Software Engineer - Full Stack [NYC or SF]

- **Company:** Concurrence Corp.
- **Location:** San Francisco, CA, United States
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, WebSocket
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/28_25303_b0a03a6c3e2fb4aa78967b6c2cf4867c

## About the Role

* You've shipped production full-stack features end to end and owned the outcome
 * You're strong across the stack, from data modeling and APIs to modern front-end work
 * You sweat correctness and reliability, especially where sensitive data is involved
 * You have good product instincts and care how things feel to use
 * You're low ego, direct, and hold yourself to a high bar
 * You can work on site in New York City or San Francisco, * Experience in a regulated or critical, low margin for error domain (healthcare, finance, legal)
 * Experience and familiarity with WebSockets, SSE client and server implementations
 * Background with design systems or complex UI state
 * Experience with production AI or ML products

## Description

* Building real-time interfaces for clinical oversight of live agent conversations
 * Owning a feature end to end, from schema to API to UI
 * Designing tools that let non-engineers shape agent behavior safely
 * Making healthcare data explorable through natural language
 * Hardening the reliability and performance of applications clinicians depend on
 * Working with designers, clinicians, and customers to get the details right, * Daily catered lunch and dinner
 * Mental health support and wellness coaching
 * Flexible wellness stipend for fitness, therapy, or personal growth

Growth & Development

 * Annual learning budget for courses, books, or conferences
 * Conference attendance budget for professional development
 * Annual team offsite
 * Academic collaboration opportunities
 * Unlimited PTO