Full-Stack Web Application with Admin Panel and API Integration

I need a full-stack web application developed that includes a secure backend, a responsive frontend UI, and full admin control features.

The core functionality should include:

User authentication and role-based access

Real-time order or data management

Backend APIs for CRUD operations

Integration with either SQL or NoSQL database

Responsive frontend (React.js or Angular preferred)

Admin dashboard with analytics or status reports

Frontend: React.js / Angular

Backend: Node.js / C# / FastAPI

Database: PostgreSQL / MongoDB / MySQL

Deployment: Railway / Vercel / Firebase / AWS

Deliverables:

Complete source code (with documentation)

Hosted working demo or deploy guide

Clean, modular, and scalable code