Magento Customization [Fast Payment]

Bidders MUST be an expert & specialized in Magento Commerce platform. This is an existing Magento site, here are the 4 items that need to be customize. 1. Table rates - The existing shipping fees calculation is not accurate, it needs to add fuel surcharge, handling fees, GST & next 250gm if it's required. The total amount displayed on checkout needs to be the same amount send to the payment gateway. 2. Domestic & International Shipping Method - The shipping method needs to be able to differentiate domestic & international shipping & will only display "Pos Laju" as the domestic shipping method, while "UPS" for international. At the moment, the shipping method display both shipping method. 3. Gift Message - Limit to 80 word count including spacing & salutation. 4. Add "Sold" to the product that are already sold-out under pricing of the product main page. Succeeded bidder will have the opportunity to be our permanent programmer to this project & many others that are already in the pipeline.