I need a PHP developer

I am looking for a PHP developer who can work on implementing a Payment Gateway functionality for my existing codebase. As I don't have a specific PHP framework preference, the developer can use any framework they are comfortable with.

Ideal Skills and Experience:
- Strong knowledge and experience in PHP development
- Familiarity with various PHP frameworks such as Laravel and CodeIgniter
- Expertise in implementing Payment Gateway integration
- Ability to work with an existing codebase and make necessary modifications
- Good understanding of web security and user authentication

Please provide examples of previous projects or relevant experience in your proposal.