Full-Stack Web & Mobile Platform Development -- 3

Job ID: 40016088

Budget: €8 – €900,000 EUR

Title:

Full-Stack Development for Multi-Module Web & Mobile Platform (React Native + Node.js + PostgreSQL + Real-Time System)

Description:

I’m looking to hire an experienced full-stack development team or senior full-stack developer to help build a complex multi-module platform consisting of:

1) React Native Mobile App (iOS & Android)

Includes:

Authentication

User profiles

Real-time communication

Posting / browsing data

Media upload

Dashboard-style navigation
2) Web Application (React)

Includes:

User portal

Real-time updates

Form submission

Data browsing + filters

Notifications

Multi-role support

3) Admin Dashboard (React)

Includes:

Moderation tools

Data management

User management

Settings

Logs & activity tracking

4) Backend (Node.js / Express)

Includes:

Auth system (JWT)

Role-based permissions

REST API for multiple modules

File uploads (e.g., to S3 or similar)

Email notifications

Push notifications

Payment integration (Stripe or similar)

5) Database (PostgreSQL)

Includes:

Complex relational schema

Indexing & query optimization

Partitioning for high-volume tables

Audit logging

Transaction-safe operations

6) Real-Time Infrastructure (Socket.IO or similar)

Includes:

Typing indicators

Live updates

Read receipts

Room-based communication

Presence indicators

7) Integrations

Stripe (payments & invoicing)

AWS S3 (file storage)

Email service

Push notifications

I'm looking for:

A full-stack specialist or small team

Strong experience with Node.js, PostgreSQL, React, React Native

Strong understanding of real-time systems

Ability to design scalable architecture

Experience with production-level deployments

Deliverables

A fully functioning system with:

Backend API

Real-time engine

iOS/Android app

Web app

Admin dashboard

Documentation

Deployment support

Important:

Before I share any detailed specifications, you must sign an NDA.
This project is proprietary — details will be revealed only after agreement.

Please include in your proposal:

Your hourly rate

Estimated timeframe for a system of this size

Portfolio links to similar complex or multi-module projects

Whether you're working solo or as part of a team

This is NOT a simple app.

Please only apply if you have experience with complex platforms, real-time features, and multi-role systems.

I’m collecting quotes to determine whether to proceed with one senior developer or a small team.