CMS Theme Required - Wordpress, Drupal ????

Looking for an experienced and talented CMS developer to create a new wordpress, Drupal etc.. theme for use in our lead generation company. Most of these will be fairly simple sites. The design should be modern, corporate but with a customer service feel. It should meet the following requirements: - responsive design - seo optimised - page speed optimised (should achieve 90+ score on google pagespeed) - image slider - shortcodes, such as icons, tabs, etc - contact forms - breadcrumb navigation - cross browser compatible - clean commented code - customizabe menus The theme will be used on multiple sites, so it should include a theme options page, making it easy to customize the following: Logo Colour scheme Layouts etc. the site will also require a backend lead distribution application. example sites: [login to view URL] [login to view URL] [login to view URL] When bidding, please provide examples of wordpress themes you have developed. If you have created sites with theme options pages before, please highlight what options are customizable from this page, and ideally provide login details to a demo site so I can take a closer look at your work.