We are looking for an experienced software development team / freelancer to build a complete web-based ERP system and mobile applications similar to Vyapar App, but customized for a single wholesaler business only (not SaaS, not multi-tenant). This project includes: 1. Web-based ERP/Admin Software for Wholesaler (Admin Can Operate PC and Mobile Phone) 2. iOS & Android App for Customers (Retailers) Customer mobile app will be directly connected with the Master ERP system, allowing customers to place orders, view prices, see previous invoices, and get automatic invoice generation based on product weight and price. 1. Web-Based ERP (Wholesaler Admin) • Product Management (weight-based products) • Category & Unit Management (kg, gm, packet, etc.) • Price Management (customer-wise / product-wise) • Inventory / Stock Management • Purchase & Sales Billing • GST Invoice (CGST / SGST / IGST) • Automatic Invoice Calculation (Qty × Weight × Rate) • Customer & Supplier Ledger • Outstanding / Due Management • Expense Management • Reports: - Sales Report - Customer-wise Report - Profit & Loss - Stock Report • Role-based access • Data backup & security 2. Wholesaler Admin (Accessible on Mobile or PC) • Dashboard (Sales, Orders, Due) • Create & manage invoices • Manage products & prices • View customer orders • Payment status tracking • Sync with web ERP in real time 3. Customer Mobile App (iOS + Android) • Customer login (linked to ERP) • Product catalogue with price & weight • Place order directly to wholesaler • Automatic invoice generation • View previous orders & invoices • Outstanding amount view • Order history & records • Notifications (order status, invoice) PROJECT TYPE & TECHNOLOGY STACK • Single customer (single wholesaler) • Not SaaS • Complete source code ownership required • White-label solution Backend API: Laravel Web Frontend: React.js Mobile Apps: React Native (iOS & Android) Real-time / Services: Node.js Database: MySQL / PostgreSQL Authentication: JWT / Token-based Hosting: Any Best option Cloud DELIVERABLES • Web-based ERP (Source Code) • iOS App (Admin + Customer) • Android App (Admin + Customer) • API Documentation • Database Schema • Deployment support • 3–6 months post-launch support ✅ TIMELINE EXPECTATION 30 to 45 Days BUDGET RANGE • Proven experience in ERP / Billing Software • Experience with Laravel + React + Mobile Apps • GST / Accounting domain knowledge preferred • Ability to provide long-term support Depending on experience, architecture, and support