Senior PHP Programmer with CodeIgniter experience

This is an e-commerce website mid-way through its development - using the codeIgniter framework. The site will buy and sell pre-owned consumer electronics with customers. The site will also allows customers to sell to each other through an Amazon style payment system. We need a senior programmer with experience in Php, database design - someone who can pick things up quickly and understand where we are and where we are heading. The tasks are fairly specific and we are aiming for a deadline of mid September to have the beta site functional. The right candidate will be a problem solver and a solutions expert. We are based in the USA, so regular communication through skype within (Pacific Time) working hours is a must. Modules of work will be project managed from here and farmed out to you. We will be following specific code standards which need to be adhered to. When applying please submit access to your CV and examples of your code or recent projects.