Deal like website using cakephp

We have Cakephp based deal website script(like groupon or livingsocial), which need to be customized as per our requirement. Please bid if you agree to following conditions: - Customization requirements will be provided at high-level - You need to have flexibility to come up with multiple page design options until we finalized the design. - Excellent web design(jquery, ajax, css, html layouts) and development skills using php, Cakephp framework, iphone and android framework. - The page design and flow should be slick, unique and user friendly. - No hidden cost from the programmer, buyer will consider bonus money for satisfactory quality deliverables and showing flexibility. - Appreciate your flexibility as we have not documented every details of the functionality needed. - Payment will be provided upon delivering the milestones. Below are high-level milestones and we will escrow 20% money before you starting each milestone and release escrow when you done with each milestone. o Complete and the delivery of web, mobile design (looks, flow, navigation, and theme) with unique look o Compete and delivery the web and mobile development (features and functionality) o Complete and the delivery of mobile app (iphone and android) design (looks, flow, navigation, and theme) with unique look o Compete and delivery the mobile app (iphone and android) development (features and functionality) o Complete quality delivery (defect fixes) and changes. Total budget is $700 plus $100 as bonus for your flexibility and quality. Bonus is paid at the end of the support or warrantee period. Programmer will be considered for any future development (enhancements and maintenance) work