Senior Full Stack Developer Node.js + Flutter for CareCrafter Inc Juperra
ABOUT JUPERRA
Juperra is a US healthcare marketplace connecting licensed caregivers โ RNs, LPNs, CNAs โ with families for in-home care.
We are a mobile-first, dual-sided platform with native Flutter apps (iOS + Android) for both caregivers and clients, featuring real-time booking, AI-powered matching, Socket.IO chat, Stripe payments, clinical documentation, and a full credentialing and background check pipeline.
We are a Delaware C-Corporation with a live production codebase and active integrations with Stripe, Twilio, Checkr, Persona, Nursys, Verisys, Sentry, and Thimble. The platform is already in active development with a working system and ongoing improvements.
Soft launch Q2 2026. Scaling through Q3 and beyond.
We are not looking for a contractor. We are looking for a builder.
THE OPPORTUNITY
This is a ground-floor role at a company solving a real problem in a $300B+ home care industry.
You will work directly with the Founder & CEO, own the full technical stack, and grow with the platform from launch through scale. The right person will not just write code โ they will shape the product, influence architecture decisions, and become a core part of what Juperra becomes.
If you are talented, hungry, and looking to do the best work of your career on something that matters โ this is it.
TECH STACK
Backend: Node.js / Express, PostgreSQL, MongoDB, Redis, Socket.IO, Firebase Auth + FCM
Mobile: Flutter / Dart โ two apps (Caregiver app + Client/Connect app)
Cloud: AWS
Integrations: Stripe Connect, Twilio, Checkr, Persona, Nursys, Verisys, Sentry, Thimble
Admin Panel: Next.js / React
RESPONSIBILITIES
Own and extend the Node.js backend โ REST APIs, real-time features, payment flows, credentialing and verification integrations
Build and improve Flutter features across both mobile apps
Integrate new third-party APIs as the platform grows
Maintain security best practices, write documentation, ensure code quality
Work directly with the CEO โ fast decisions, no bureaucracy, real ownership
REQUIREMENTS
4+ years of full stack development experience
Strong Node.js / Express โ REST API design, PostgreSQL, authentication flows
Flutter / Dart โ production mobile apps on iOS + Android
Experience integrating third-party APIs (payments, verification, messaging)
Strong written English โ clear async communication is essential
Available for at least 4 hours of US Eastern timezone overlap daily
NICE TO HAVE
Healthcare, HIPAA, or marketplace platform experience
Stripe Connect / payment escrow
Socket.IO real-time features
Gig economy or two-sided marketplace background
AWS deployment and DevOps experience
COMPENSATION
Compensation will be discussed based on experience and timing of engagement.
We are open to different structures (monthly, milestone-based, or long-term role) depending on the stage and the right candidate.
This is a long-term opportunity with strong growth potential as the platform scales.
WHAT WE OFFER
Ground-floor access to a platform being built to scale nationally
Direct collaboration with the Founder & CEO
High ownership and real impact on product and architecture
Long-term role โ we are building a team, not hiring for a short project
The opportunity to build something people will truly depend on
HOW TO APPLY
Send your profile, GitHub, or portfolio links.
In a few sentences, tell us about your experience with Node.js and Flutter, and why this opportunity interests you.
We will conduct a technical interview followed by a paid test task before making an offer.
Required languages
| English | C1 - Advanced |