We’re building a Windows-based Point of Sale (POS) application and looking for a passionate C#/.NET developer to join our team. If you enjoy solving real-world problems, working with offline-first systems, and integrating with hardware devices — this role is for you.

Responsibilities

• Build a Windows desktop POS app in C# (.NET) with offline-first architecture.
• Design and manage a local SQLite database for orders, payments, customers, and discounts.
• Implement background sync to push local transactions to a cloud API (Node.js/PostgreSQL) and fetch updated master data.
• Integrate with receipt and kitchen printers.
• Ensure data security with encrypted local storage and secure API communication.
• Deliver a smooth offline/online experience (e.g., customer search by mobile number, applying discount rules).

Requirements

• 1–2 years of experience in C#/.NET desktop development (WinForms, WPF, or MAUI).
• Good knowledge of SQLite / SQL Server LocalDB and offline database design.
• Skills in REST API integration, JSON, and authentication.
• Basic understanding of transactional workflows (orders, payments, receipts, discounts).
• Ability to troubleshoot and work independently.

Nice to Have

• Experience with POS, retail, or ERP systems.
• Knowledge of Entity Framework Core and async programming.
• Exposure to payment system integrations.
• Familiarity with deployment/auto-update solutions for Windows apps.