Multilingual POS System Development

Job ID: 39645246

Budget: $250 – $750 USD

Hiring Developer – Professional Offline POS System for Retail & Coffee Shops**

We are looking for a skilled **software developer** to build a **commercial Point of Sale (POS) system** that operates **fully offline**, with a clean Arabic/English interface and customizable features for different types of retail businesses—including **grocery stores, supermarkets, warehouses, clothing stores, and coffee shops**.

This project is for a **licensed commercial product** (not open source or free), with optional paid add-ons that can be activated based on client needs.

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### **Project Scope Includes:**

* Full sales interface (cash, card, or credit).
* Support for **electronic weight scales (USB/COM)**.
* Fast order workflow for **coffee shops** (Dine-in / Takeaway).
* Invoice printing (thermal printer & A4).
* **Tax invoices with QR code** (compliant with local VAT systems).
* Inventory management with low-stock alerts.
* Sales and profit reports (daily, monthly, employee-based).
* **Offline functionality (no internet connection required)**.
* Software license activation per device (anti-piracy protection).
* **Mobile admin dashboard** for store owners (view-only access).

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**Optional Paid Modules:**

| Module | Function |
| ----------------------- | ----------------------------------------------- |
| User Roles | Admin, Cashier, Viewer with permissions |
Basic Accounting | Profit/loss, supplier debts, statements |
Multi-branch Support | Manage multiple locations from a central system |
Backup System | Manual USB or optional cloud storage |
Mobile App | Monitor sales & performance remotely |

---Technical Specifications:**

* **Language:**

* Python with **PyQt**, or
* C# with **WPF**

* **Database:**

* Local **SQLite** (no server required)

* **Platform Compatibility:**

* Works on **Windows 10+**
* Compatible with mid-range **POS machines**

* **Supported Hardware:**

* Thermal Printers
* A4 Printers
* Barcode Scanner
* Electronic Scale (USB or COM Port)

* **License Activation System:**

* Activation tied to device fingerprint
* Cannot be copied to unauthorized devices

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Candidate Requirements:**

* Experience in building POS or desktop software.
* Familiarity with hardware integration (printer, scale, barcode).
* Ability to deliver clean, well-documented code.
* Security-focused development for license protection.
* Strong UI/UX skills for non-technical end users.

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To Apply:**

Please send:

* Portfolio or links to similar POS or desktop projects.
* Estimated delivery timeline.
* Your preferred tech stack and justification.