Multi-Country Customization for Laravel Admin Portal

I need an expert PHP Laravel developer to customize a multi-restaurant app's admin portal. The goal is to make it accommodate more countries, rather than just one. The project involves not only adapting the portal for international use, but also implementing new functionalities and making personalized edits.

Key Requirements:
- Implementing Role-based access controls
- Modifying the portal for multi-country functionality
- Adding Multiple currency support
- Setting up Regional tax settings
- Multi payment gateway and SMS gateway integration

Ideal Skills:
- Extensive experience with PHP Laravel
- Proven track record in multi-country app development
- Strong understanding of role-based access controls
- Ability to deliver new functionalities and UI improvements