POS System

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POS SystemMulti-store Point of Sale

A modern, offline-capable point of sale system built for retail chains of any size.

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Offline-First Architecture

Each store operates independently with a local PostgreSQL database. Sales continue uninterrupted even when the network is down, and data syncs automatically when connectivity is restored.

Multi-Store Management

Manage products, pricing, tax rates, and departments from a single HQ dashboard. Changes propagate to all connected stores through the built-in sync engine.

Real-Time Reporting

Generate X, Z, and ZZ reports at the register, store, or headquarters level. Track sales, inventory, and employee performance across your entire operation.

Role-Based Access Control

Define granular permissions for cashiers, store managers, and HQ administrators. Each user authenticates with a secure PIN and can hold different roles at different stores.

Hardware Integration

Native support for thermal receipt printers (USB and network), cash drawers, and barcode scanners. Hardware is configured once and works seamlessly with the POS terminal.

Inventory & Transfers

Track stock levels per store, receive low-stock alerts, and create inter-store transfer requests. Every inventory movement is logged with a full audit trail.

Why This POS System? ​

This point of sale system was designed from the ground up for multi-store retail operations. Unlike cloud-only solutions, it uses an offline-first architecture where each store maintains its own local database. This means your cashiers can keep ringing up sales even during internet outages, and all data synchronizes automatically once connectivity returns.

The system is split into three main applications. The POS Terminal is the cashier-facing application used to process sales, refunds, and register operations. The Store Manager gives store-level staff tools to manage inventory, view reports, and handle inter-store transfers. The HQ Manager is the centralized dashboard where administrators configure products, departments, tax rates, users, and monitor all stores from a single interface.

Built with a modern technology stack -- a Rust backend for performance and reliability, a TypeScript/React frontend for a responsive user experience, and PostgreSQL for robust data storage -- the system is designed to scale from a single store to hundreds of locations without changing your infrastructure.