Customization Work On Auction Website Currently On Wordpress Platform

To customize and modify Auction Website Currently On Wordpress Platform. The project is to customize a specific functionality (Reverse Auction), an original functionality of the auction's plugin. Must be proficient in PHP, JS, Wordpress AND fluent in the English language. 1. Reverse Auction, an original functionality of the auction's plugin to be reinstated. The codes are already present in the plugin's file. All that is required is to modify it. 2. The Reverse Auction option is to be made selectable via the custom plugin (auction settings) page. Additional field to be added to the custom plugin (auction settings)page: Minimum Decrease amount 3. If the Reverse Auction option is selected, the "starting price" and "minimum increment amount" to be disabled. The Minimum Decrease amount value will be used to automatically decrease the bid amount field on the auction page. 4. A new field "Item Price" is to be added to the Add Products page. This would be the Starting Price and to be displayed on the bid amount field in the auction page. Take note that the bid amount field is to be protected (no input allowed from the user) as the bid amount is automatically increased or decreased (according to the custom plugin settings).