Multi-Platform POS system software Development -- 2

Job ID: 40104361

Budget: €12 – €18 EUR

We are looking for an experienced and reliable full-stack developer to support the development of a professional POS ecosystem. The system includes multiple variants (Horeca/Restaurant POS, Retail POS, Kiosk Ordering System, Donation Kiosk, and related modules). Our solution combines local and cloud functionality, integrates with various peripherals, and requires a modular architecture for long-term scalability.

Your Responsibilities:
• Develop and maintain core POS features (orders, payments, printing, kitchen display, reporting, user management).
• Build and optimize front-end interfaces for restaurant POS, retail POS, kiosk applications, and admin portal.
• Integrate hardware devices such as:
 – Cashmatic 460
 – PAX / Viva.com terminals (A35, A920)
 – Receipt printers (Epson ESC/POS)
 – Scales (Bizerba, Elzab, Neptune2, Aclas OS6)
 – Scanners (Magellan, Honeywell, etc.)
• Implement hybrid database logic (local SQLite + cloud API sync).
• Support multi-device usage: Windows desktop, Android kiosk terminals, web versions.
• Improve stability, performance, and offline-first behavior.
• Assist with packaging (Electron build, installers, EXE/APK generation).