Advanced Wordpress/vBulletin website... Need php customizations (must be reliable/professional)

We are seeking a professional and reliable programmer with the following skill set and background in PHP, web design and the integration of a customized wordpress 3.0+ website with vBulletin version 4 As we look to create a series of projects with you, we would like to begin with having you develop on our website for 50 hours. We will communicate the tasks with you via messenger and discuss the hours needed to complete each task, then onto the next task until our hours run out. The tasks we will need are not big, but we have several things need added and modified across the website. Currently, we are a high traffic website and are looking for your reliability and professionalism.