We are looking for an experienced developer or team to build a custom ERP web application with full mobile access and PDF invoice generation. Required Features Customer management (create, update, customer-wise history) Inventory & stock management Stock update and availability tracking Invoice creation with PDF download Invoice history and search Business reports: Stock report Total business report Customer-wise report Currency: Oman Riyal (OMR) Tax: 5% VAT Invoice option: With VAT Without VAT Mobile access (mobile-responsive / PWA / Android app support) Secure admin login and user roles