Interac eTransfer Gateway Update & Customization

I'm looking for an experienced developer who can update my Interac eTransfer payment gateway. The new setup should be similar to the Blazing Spider plugin, with some specific features and customizations.

Key Requirements:
- Update Interac eTransfer payment gateway to be like the Blazing Spider plugin
- Integrate a user-friendly interface
- Set up custom payment notifications
- Customize the user-friendly interface to suit my needs

The ideal candidate will have:
- Extensive experience with payment gateway integration and updates
- A strong understanding of creating and customizing user-friendly interfaces
- Excellent communication skills for discussing and understanding custom payment notifications
- A proven track record of delivering secure and reliable payment solutions.