GIANDEV.fun
Where bugs ask for permission
Point of Sale POS

Retail POS & Multi-Warehouse Stock

Real-time point of sale and inventory control for retail and fashion stores with size and color variants.

01 · Context

The starting point

Operational software built for commercial retail stores, unifying counter sales, barcode scanning, and multi-warehouse inventory.

02 · Challenge

What needed solving

Manual bookkeeping led to stock mismatches between warehouse and sales floor, complicating cash drawer reconciliation and causing undetected stockouts.

03 · Approach

How it was engineered

React SPA backed by Node.js and PostgreSQL, optimized for fast barcode scanning, keyboard shortcuts, and atomic stock updates.

04 · Outcome

What it enables today

Checkout in under 10 seconds, accurate shift cash reconciliations, and automated low-stock restock alerts.

Technologies & Architecture

  • Node.js
  • React
  • PostgreSQL
  • Tailwind CSS

Want to explore the live system?

Access the dedicated subdomain directly with realistic mock data and interactive modules.

Open Live Demo