Founding Engineer; Senior

Founding Full-Stack Engineer

Sailor is looking for a Founding Full-Stack Engineer to join as our 4th engineer. This is a ground-floor opportunity to design and launch AI-first products from scratch at a startup with extreme PMF. You'll own major technical decisions, shape our engineering culture, and use AI to drive real clinical impact at scale.

Location:

New York City or Remote.

• Build AI coaches for patients:
  Create AI voice-powered coaches that support cognitive health, mindfulness, and overall wellness, helping patients stay engaged between sessions, practice therapeutic techniques, and build healthy routines in a natural, conversational way.

• Build AI care agents for our healthcare providers:
  Build and scale AI-native features including speech-to-text triage, care navigation copilots, auto-summarized progress notes, and intelligent intake.

• Build our clinical operations layer:
  Architect and ship the backbone of our care delivery engine, spanning patient scheduling, documentation, and revenue cycle management, leveraging best-in-class healthcare APIs to deliver a seamless and scalable clinical operation.

• You're an A+ player. You have a burning desire to win, a track record of excellence, and a drive to build with urgency and precision. You want to be the best and you want your team win.

• You have 4+ years of experience. You are comfortable with backend and frontend in React, Typescript, Node.js, PostgreSQL, and Claude Code.

• You're product-driven. You have strong intuition for user needs, high EQ, and a deep curiosity to understand the underlying business and clinical problems, not just the technical solution.

• You thrive in ambiguity. You're energized by open-ended problems and move quickly with imperfect information.