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Adonis

Adonis

Job listing

New York, United States$165K – $185K + Equity

Full Stack Engineer at $95M Series C healthcare AI startup

Healthcare providers lose billions every year to denied claims and broken billing workflows. Join this General Catalyst-backed Series C startup in NYC as a Full Stack Engineer to build the AI platform fixing it. With $95M raised and 4x revenue growth, you'll work at 3 World Trade Center alongside an elite team from Google and Cedar. If you have 3+ years of experience with Python and React, plus a background in health-tech, this is your chance to own end-to-end features that directly impact how healthcare gets paid.

Overview

Role overview

Join a high-growth team fixing healthcare revenue operations by building AI agents that autonomously resolve claims. As a Full Stack Engineer, you will own features end-to-end across a Python and React stack, architecting scalable systems that prevent billions in annual losses for hospitals and physician groups while working alongside elite engineering talent.

Company

Adonis

Adonis

$95M Series C healthcare AI startup backed by General Catalyst

Responsibilities

What you will do

  • Design, architect, and implement scalable full-stack software solutions using Python, TypeScript/React, and PostgreSQL to power autonomous AI agents.
  • Partner directly with Product and Design to prototype and ship complex web applications that transform how healthcare providers manage revenue cycles.
  • Lead technical initiatives and mentor junior engineers while maintaining high code quality through modern CI/CD pipelines and systems design best practices.

Candidate profile

Who this is a fit for

  • At least 3 years of production full-stack experience with Python, React, and PostgreSQL, with a proven ability to scale client-facing applications.
  • Deep domain expertise in healthcare technology or revenue cycle management (RCM), ideally having worked at companies like Cedar, Flatiron, or Oscar Health.
  • Strong product intuition and a "smart speed" mentality, capable of navigating ambiguity to ship high-quality code that solves immediate customer problems.

What makes it remarkable

Why this role is remarkable

  • Exceptional growth trajectory with 4x revenue growth last year and $95M in funding from General Catalyst, Quadrille Capital, and Bling Capital.
  • Founded by proven Forbes 30 Under 30 entrepreneurs with a track record of building successful healthcare technology platforms.
  • High-impact work at 3 World Trade Center in a hybrid environment with 100% employer-paid benefits and a mission to repair the broken US healthcare payment system.

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