Comprehensive Spare Parts Mobile App

I'm seeking a skilled developer to create a mobile app that provides a one-stop solution for machine spare parts in the manufacturing industry. The app should manage an extensive inventory covering mechanical, electrical, and hydraulic components.

Key Requirements:
- User-friendly interface for easy navigation
- Comprehensive database for mechanical, electrical, and hydraulic spare parts
- Advanced search and filter options
- Inventory management features
- Secure payment gateway integration
- Push notifications for restock alerts and special offers
- Multi-user access with different permission levels

Ideal Skills & Experience:
- Proven experience in mobile app development
- Strong understanding of inventory management systems
- Background in the manufacturing industry is a plus
- Excellent UI/UX design skills
- Proficient in integrating secure payment systems

I'm looking for a reliable and experienced professional to bring this project to life. Please share your portfolio and relevant experience.