ExternalFreelancerRemote$3000–$5000 USD

Full-Stack Developer for Doggy Marketplace App

Summary

Freelancer Client is hiring: Full-Stack Developer for Doggy Marketplace App.

Location: Remote

Backend Developer Needed — NestJS + Flutter Integration

What you'll do:

• JWT sessions management

• Reviews & ratings

• You are NOT building new Flutter UI screens. A separate frontend developer handles UI.

Requirements:

• Integrating all screens with APIs

• Replacing mock/demo data with live data

• Implementing loading/error states

• Socket.IO + FCM integration

• Coordinating with frontend developer

• Build a simple 3-screen React admin panel:

• Walker verification & approval

• User/walker management

Skills: PHP, Mobile App Development, Node.js, PostgreSQL, Redis, AngularJS, Backend Development, Flutter, API Integration, Cloudflare

Budget: $3000–$5000 USD


Source: Freelancer Client via Remote / Online. Apply on the source website.

Original

Doggy Dog Marketplace App
Backend Developer Needed — NestJS + Flutter Integration

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Project Overview

We are building Doggy, a dog walking and sitting marketplace app for Israel.

The Flutter app UI is already ~70% complete (~54 screens already built).

We need an experienced backend developer/team to build the full production backend, integrate the Flutter app with live APIs, and build a small React admin panel.

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Scope of Work

Backend Development

Build a production-grade backend including:

- Authentication & OTP verification
- JWT sessions management
- User/walker profiles
- Booking engine + state machine
- Payments & payouts (Tranzila)
- Real-time chat
- Push notifications
- Reviews & ratings
- Reports & dispute resolution
- Live tracking (MVP)
- Admin moderation tools

Flutter Integration

You are NOT building new Flutter UI screens. A separate frontend developer handles UI.

You ARE responsible for:

- Integrating all screens with APIs
- Replacing mock/demo data with live data
- Implementing loading/error states
- Socket.IO + FCM integration
- Coordinating with frontend developer

Admin Panel

Build a simple 3-screen React admin panel:

- Walker verification & approval
- User/walker management
- Reports & disputes queue

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Technology Stack

- Node.js
- NestJS
- TypeScript
- PostgreSQL + PostGIS
- Prisma ORM
- Redis
- BullMQ
- Socket.IO
- React
- Firebase
- Cloudflare
- Tranzila (payments)

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Project Details

Fixed Price: ~$4,400

Timeline: 8–9 weeks

Potential: Long-term work after MVP launch

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Requirements

Must Have Experience With:

- NestJS
- PostgreSQL
- Production backend systems
- Flutter integration
- Payment processing
- Real-time systems (WebSockets, messaging)

Big Advantage:

- Marketplace app architecture
- Tranzila payment integration
- Israeli market & payment systems knowledge

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How to Apply

Send the following:

1. Relevant projects (portfolio/GitHub links)
2. NestJS & PostgreSQL experience examples
3. Flutter integration experience
4. Current availability & timeline
5. Solo freelancer or agency

Full BRD/TSD documents will be shared with shortlisted candidates.

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Location & Details

SourceFreelancer
Budget$3000–$5000 USD
LocationRemote
Posted2026-05-18 23:14:06
PHPMobile App DevelopmentNode.jsPostgreSQLRedisAngularJSBackend DevelopmentFlutterAPI IntegrationCloudflare
Apply on source →

About this listing

This remote opportunity was imported from Freelancer and is shown here for discovery. To apply, follow the link to the original posting.

Skills mentioned:
PHPMobile App DevelopmentNode.jsPostgreSQLRedisAngularJSBackend DevelopmentFlutterAPI IntegrationCloudflare