Need to create Excel Add-in for update the database

I am looking for a freelancer who can create an Excel Add-in for updating our Excel Database.

Database:
- We are using an Excel Database.

Functionality:
- The Add-in should have the functionality of data import/export.

Interface Design:
- I have a specific design in mind for the Excel Add-in.

Ideal Skills and Experience:
- Experience in creating Excel Add-ins.
- Strong knowledge of Excel Database.
- Familiarity with data import/export functionality.
- Ability to work with a specific design provided by the client.