Full-Stack Developer for Logistics ERP

Build a unified platform combining logistics, ERP, and e-commerce into one end-to-end solution. Deliver a web dashboard, mobile app, and customer storefront with real-time GPS tracking, route optimization, ETAs, order-to-cash workflows, inventory and invoicing, fleet maintenance, CRM, and analytics dashboards. The system should support role-based access for Admin, Driver, and Customer users and be built on a scalable backend. Please share your experience with similar integrated platforms and your approach to scope and timeline.