Full-Stack Developer for CRM, Sales & Inventory Management MVP

We are looking for an experienced Full-Stack Developer to build the MVP of a centralized CRM, sales, inventory, and order management system. The goal is to create one computerized platform where we can manage sales, customers, inventory, stock, purchase orders, employees, and orders coming from our website and different sales platforms. The initial focus will be on building a stable and scalable MVP. After the MVP is successfully completed, this can turn into a long-term development opportunity with additional modules, integrations, automation, and ongoing improvements. MVP Scope The system should include: CRM and customer management Sales and order management Centralized order dashboard Website order integration Third-party platform/API order integrations Product and SKU management Real-time stock and inventory management Low-stock tracking Purchase order management Supplier/vendor management Order processing and status tracking Packing and dispatch management Returns and refund management Customer order history Sales and inventory reports Employee management Employee attendance management User roles and permissions Admin dashboard Notifications and activity tracking REST API integrations Secure authentication and authorization The system should eventually allow us to manage the complete operational workflow from purchase and inventory to sales, dispatch, returns, customers, and employees from one centralized platform. Experience with queues, microservices architecture, third-party APIs, payment integrations, WebSockets/Socket.IO, TypeORM, and scalable SaaS architecture will be considered a strong advantage.