Magento Expert - reliable only

Hi We need a magento programmer for community edition that can set on his own server or a test dir a copy of our store and after changes approve we only move to the live site Changes we need first: 1. Add ShareASale Tracking Code for sales 2. Add over 20 coupons for products into backend - simple 3. Add over 15 coupons for Product Catgeories! We need to make sure specific coupon for catgeories are only apply for catgeories so you need to do that and I will test 4. Add any SEO plugins to Avail to magento Community edition * You must be Magento PHP expert and reliable, fast I am a programmer so we will test your work to make sure all done correctly. Can be ongoing and long terms since we have many project needed for our store in Magento Community Edition Thanks