Comprehensive Inventory Management App Creation

I'm in need of a professional to develop an application for managing my merchandise inventory. The core functions must include stock availability, stockouts, item location and the addition of new items. Here's a breakdown of my primary requirements: Device Compatibility: - The application must be compatible with smartphones, tablets, and desktop computers. Installation: - I prefer having the flexibility of both a locally installed application and one that's accessible via an internet connection. Notifications: - The application must be set up to send notifications about stockouts, stock updates and the availability of new merchandise. Ideal Skills and Experience: - Proven experience in mobile and desktop application development. - Best practices in UI & UX design for multiple device compatibility. - Knowledge in developing inventory management systems. - Capabilities to implement push notifications to various devices. Contact Connectivity: - The system must be able to connect with phone numbers and emails of the purchasing department and management. With these skills and experiences, we can build an efficient and user-friendly inventory management system to streamline operations. I need that the app must send notifications to email and phone number also. I need that in the app, we can add comment about the statut of each article, I also need from the application to give me end of the year, what we have sold, how many, when, and what remain also the file can be converted to excel.