Laravel Script Customization and Bug Fix

I'm looking for a Laravel expert to help me with my Codecanyon script. It has a few bugs and needs some customizations.

Key Tasks:
- Fixing existing bugs and general website errors
- Adding a new functionality: the ability to add categories
- Modifying an existing functionality: editing card details

Ideal Skills:
- Proficient in Laravel
- Experienced in fixing and customizing scripts
- Good understanding of database management
- Strong attention to detail

Please be prepared to provide examples of previous work you've done with Laravel scripts.