---
title: 'Senior Fullstack Engineer at Flagler Health'
canonical: 'https://feeny.ai/job/senior-fullstack-engineer-flagler-health-new-york-asygfve26g2b'
type: 'job'
last_seen: '2026-09-03'
---

# Senior Fullstack Engineer at Flagler Health

- **Company:** Flagler Health
- **Location:** New York, NY
- **Employment:** full-time
- **Work type:** remote
- **Posted:** 2026-08-25
- **Last confirmed live:** 2026-09-03
- **Apply:** https://jobs.ashbyhq.com/flaglerhealth/27546a91-7cac-47e9-8791-59e699bd5f68

## Job description

FLAGLER HEALTH IS BUILDING THE CLINICAL OPERATING SYSTEM FOR MODERN MUSCULOSKELETAL CARE.

We partner with MSK provider groups and specialty clinics to help them grow, operate more efficiently, and deliver better longitudinal care across patient acquisition, clinical workflows, and ongoing patient engagement. Our platform sits at the intersection of care delivery and clinic operations, helping providers capture more value across the full patient lifecycle.

We’ve recently raised our Series B and are entering our next phase of growth.

## Key Responsibilities

Web Application development

- build robust frontend applications using Vue.js 3
- work on realtime web application for audio and SMS communications with users (patients)

Backend development

- build HTTP API in JavaScript and TypeScript using express.js
- build and test custom internal TypeScript packages from scratch or migrate from JavaScript
- integrate with 3rd-party services like Twilio, OpenAI, Databricks API, and AWS/GCP
- Real-time streaming experience is a plus

Required Qualifications

- 3+ years of proven experience with building highly-available applications in a regulated environment
- Has working knowledge of Vue 3, TypeScript, Node, Mongoose, Express
- Experience with with monorepo, especially turborepo.
- Experience with SQL databases like PostgreSQL and NoSQL databases like MongoDB

## Preferred Qualifications

- General healthcare tech / SaaS experience
- Familiarity with HL7 / FHIR / EHR.
- Experience with cloud platforms (e.g., AWS, Azure, or GCP).
- Familiarity with CI/CD pipelines and version control systems like Git.

## OUR VALUES

This is what you can expect of your teammates at Flagler:

- Persistence + ownership of outcomes: We wear many hats and aren’t afraid to run through walls to solve hard problems.
- Personal + professional growth: We push ourselves to learn new things and embrace challenges, even if it means that we sometimes fail.
- Don’t take things personally: We value and react quickly to constructive feedback.
- Speed is our ally: In the fast-paced world of startups, we understand the value of moving swiftly. We thrive on the adrenaline of working rapidly.
- Be Right: We are highly detailed oriented and try to be right, a lot.

## About Flagler Health

## Company Overview
- **One-liner**: Flagler Health provides an AI-native orchestration platform that automates clinical and back-office workflows for healthcare providers to improve patient outcomes, grow revenue, and lower costs.
- **Entity Type**: Private (Seed Stage)
- **Headquarters**: New York City, New York, United States
- **Founded**: 2023
- **Founders**: Albert Katz (Co-Founder & CEO), Will Hu (Co-Founder & CTO), Leon Anijar (Co-Founder & Chief Medical Officer)

## Core Business
- **Primary industry**: Healthcare IT / Health Tech
- **Target customers**: B2B — Musculoskeletal (MSK) clinics, health systems, and physician practices across 36+ states
- **Mission or purpose**: To help providers improve patient outcomes, grow revenue, and lower costs without disrupting existing workflows

## Products & Services
- **Prior Authorization**: AI-powered matching of clinical notes to payer requirements, reducing human error and driving higher approval rates with minimal clinic effort.
- **Remote Care Management**: AI-driven care managers provide continuity of care through patient follow-ups on care plan adherence, pain, and scheduling.
- **Recommendation AI**: Identifies patients with gaps in care or eligibility for high-value treatments and automatically schedules them.
- **AI Call Center**: 24/7 intelligent call handling with smart triaging, scheduling, and automated follow-ups.
- **Triage AI**: Scans EMRs to match patients with appropriate clinical experts and suggests relevant care services.
- **Revenue Cycle Management**: End-to-end billing delivering 99% clean claims and 5-8% increases in collection rates.

## Market Standing
- **Valuation**: Not publicly disclosed
- **Key Metric**: Estimated revenue in the range of $25M–$50M (per LeadIQ); Total funding includes a Seed round (2025) with 1 investor and a Non-Equity Assistance round (2023) led by MassChallenge
- **Notable Investors/Partners**: MassChallenge (non-equity assistance); integrations with major EMR systems including Kareo, AdvancedMD
- **Growth Signals**: 75.7% headcount growth YoY (46 employees, up from ~18); operating in 5 countries (US, Canada, Kosovo, UK, Philippines); 18 active job postings with 800% YoY increase in listings; 123.6% YoY traffic growth to website

## Competitive Advantages
- **EMR-native integration**: Seamlessly embeds into existing workflows without requiring extra buttons, IT burdens, or learning curves
- **Full-stack healthcare OS**: Combines software, operational expertise, and financial infrastructure in one platform — from prior auth to RCM to call center
- **Compliance-first**: HIPAA compliant, SOC 2 and ISO 27001 certified, continuously monitored by Secureframe
- **AI-first approach**: Uses proprietary AI across all product lines to automate tasks that typically require human intervention

## Strategic Focus
- Scaling the AI platform across more healthcare verticals beyond MSK
- Expanding geographic footprint (already in 36+ states and 5 countries)
- Deepening AI capabilities for proactive care delivery vs. reactive workflows
- Building out sales and engineering teams to support rapid growth

## Why Work Here
- **High-growth environment**: 75.7% YoY headcount growth with aggressive hiring across engineering, sales, and clinical roles
- **Remote-friendly**: Multiple remote positions listed (e.g., remote nurse, prior authorization specialist); offices in NYC and Vancouver
- **Meaningful mission**: Directly improving patient outcomes and reducing administrative burden for physicians
- **Strong engineering culture**: Modern tech stack (Python, TypeScript, React, Node.js, Django, Kubernetes, Docker, MongoDB, PostgreSQL, Databricks, OpenAI, etc.)
- **Recent recognition**: Named a 2023 Most Disruptive MBA Startup by Poets&Quants (Wharton School); Digital Health Awards honoree
- **Diverse team**: Operations across US, Canada, Kosovo, UK, and Philippines with 18% technical staff and growing

## Sources
1. [flaglerhealth.io](https://www.flaglerhealth.io/)
2. [LinkedIn - Flagler Health](https://www.linkedin.com/company/flagler-health)
3. [Flagler Health Jobs](https://jobs.ashbyhq.com/flaglerhealth)
4. [LeadIQ - Flagler Health](https://leadiq.com/c/flagler-health/63580f3ad4454f2aa3dc33c8)
5. [Flagler Health Trust Center](https://trust.flaglerhealth.io/)

## Other roles at Flagler Health

- [Business Development Representative](https://feeny.ai/job/business-development-representative-flagler-health-remote-m1kmar4qpm9p)
- [AI Operations Associate](https://feeny.ai/job/ai-operations-associate-flagler-health-new-york-vzq1gjdsccgx) — New York, NY
- [Technical Product Manager - RCM](https://feeny.ai/job/technical-product-manager-rcm-flagler-health-remote-x6f4bma4y57p)
- [Forward Deployed Engineer](https://feeny.ai/job/forward-deployed-engineer-flagler-health-new-york-x733map13q3a) — New York, NY
- [Senior Data Scientist](https://feeny.ai/job/senior-data-scientist-flagler-health-new-york-xfvmmk7sk72e) — New York, NY
- [Customer Success Representative](https://feeny.ai/job/customer-success-representative-flagler-health-us-west-coast-qqcf7ph6zmme) — US West Coast
- [Customer Success Representative](https://feeny.ai/job/customer-success-representative-flagler-health-new-york-5p9qw3qpefjj) — New York, NY
- [Vice President, Engineering](https://feeny.ai/job/vice-president-engineering-flagler-health-new-york-tpv2akgp8qg8) — New York, NY
- [Onsite - Medical Assistant (MA) - Certified (CMA)](https://feeny.ai/job/onsite-medical-assistant-ma-certified-cma-flagler-health-illinois-yz613jsq608e) — Illinois
- [Patient Navigator](https://feeny.ai/job/patient-navigator-flagler-health-minneapolis-ewfffdqj17n2) — Minneapolis, MN / St. Paul, MN