Cross-Platform Maintenance and Inventory App

I'm looking for a skilled developer to create a comprehensive website and mobile app (iOS and Android) for managing maintenance and inventory.

Key Features:
- Inventory Tracking: Monitor stock levels and item locations.
- Maintenance Scheduling: Plan and manage maintenance tasks.
- User Management: Different roles with specific permissions.
- Maintenance Tips: Provide users with helpful maintenance tips.

Ideal Skills:
- Experience in developing cross-platform mobile applications.
- Strong backend development skills for user management and data security.
- UI/UX design expertise for a user-friendly interface.
- Knowledge in inventory and maintenance management systems.

Please provide examples of similar projects you've completed.