Haystack
← Back to Jobs
Remote
Technology

Full-Stack Developer (React)

Vaco by HighspringUnited States🇺🇸United StatesPosted 10 Jul 2026

Quick Overview

Salary
€70/hr
Work Type
Remote
Level
Mid Senior

Job Description

Duration: 6 month contract-to-hire
Location: 100% remote in US (EST or CST times) 
Pay: $60-70/hr W2 

MUST-HAVES: React, AWS, APIs, Node (or similar BE),payment integrations 

The Role
 
We’re looking for an experienced Full-Stack Developer to join on a contract basis and contribute across the React front end, cloud-native AWS back end, and payment integration layer. This is a hands-on role with significant autonomy and real product impact from day one.
 
What You’ll Work On
  • Build and maintain features in the member-facing React payment application and broker portals
  • Develop cloud-native services and APIs hosted on AWS
  • Work with the MongoDB data layer across claims and payment data
  • Build and maintain internal integrations with Stripe and OnRamp
  • Contribute to the migration from Angular to React
  • Participate in claims processing and onboarding system development
  • Collaborate closely with product, design, and a small engineering team to deploy features end-to-end
What We’re Looking For
 
Required
  • 5+ years of professional full-stack development experience
  • Strong React proficiency (hooks, context, component architecture)
  • Some Angular to help with the migration to React 
  • Payment Technologies 
  • Back-end skills in Node.js or a comparable server-side language
  • AWS experience, comfortable with services such as Lambda, ECS, S3, API Gateway, or similar cloud-native building blocks
  • MongoDB or comparable NoSQL database experience
  • Familiarity with AI-assisted development tooling
  • Strong RESTful API design and integration  
     
Nice to Have
  • Healthcare, health benefits, or fintech domain familiarity
  • Salesforce integration experience
  • Experience with payment platforms
  • Experience building internal integrations from scratch (low third-party dependency environments)
Current Tech Stack
 
React (migrating from Angular) • Node.js • AWS / Cloud Native • MongoDB • Stripe • Wex Processor  • Claude Code



Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual’s skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs. With that said, as required by local law in geographies that require salary range disclosure, Vaco/Highspring notes the salary range for the role is noted in this job posting. The individual may also be eligible for discretionary bonuses, and can participate in medical, dental, and vision benefits as well as the company’s 401(k) retirement plan. Additional disclaimer: Unless otherwise noted in the job description, the position Vaco/Highspring is filing for is occupied. Please note, however, that Vaco/Highspring is regularly asked to provide talent to other organizations. By submitting to this position, you are agreeing to be included in our talent pool for future hiring for similarly qualified positions. Submissions to this position are subject to the use of AI to perform preliminary candidate screenings, focused on ensuring minimum job requirements noted in the position are satisfied. Further assessment of candidates beyond this initial phase within Vaco/Highspring will be otherwise assessed by recruiters and hiring managers. Vaco/Highspring does not have knowledge of the tools used by its clients in making final hiring decisions and cannot opine on their use of AI products.

Skills

MongoDB
Node.js
API Gateway
AWS
Angular
React

Similar jobs

Apply now