Need someone to build a price comparison website

Need a product comparison site must have a front end with unlimited product upload, zipcode store locator, a merchant area where merchants can upload data feeds, an admin. area. Price comparison site will also be able to send monthly savings updates to customers emails, and phones and so much more. Need someone good with PHP, flash, Java, CSS, General Features: •Multi language support. •Multi currency support. •Search engine friendly pages. •Automatic keywords, page titles, meta tags generator. •Custom Meta tags and page titles. •Custom Content Management System (CMS) from where you can edit text, add images, add links and edit meta tags. •W3C compliant homepage. •Table less design for homepage and other important ranking pages. •HTML sitemap, TEXT sitemap as well as Google sitemap. •Automatic thumbnail generation using GD or imagemagick. •Clickthrough tracking and reporting. •Google Analytics feature. •Easy ways to create new pages in the system. Administrator Area: •Unlimited categories supported (at unlimited depth). •Unlimited products under each category supported. •Unlimited merchants (online stores) supported. •Unlimited products per merchants supported. •Unlimited data feed import (server and hardware restrictions apply) supported. •Data feed export supported. •Unlimited brands supported and search by brands, product name, or store. •Auto-Crawler, for crawling merchants' websites to get products and prices (It is useful if a particular merchant dont support datafeeds) •Data Feed Import, for importing products from any affiliate data feed and automatically creating products. •Banner management (Google ad sense banners supported). •Currency management. Multiple currencies supported. •Email template editing from within admin panel. •Languages’ management. Multiple languages supported. •News management. •Packages management. These packages are for merchants. •Registered members’ management. •Email to registered members. •Management of newsletter categories. •Newsletter management for subscribed members. •Sending newsletter to the subscribed members. •Manage affiliates. •Approve affiliates commissions. •Send affiliates payments. •Generate CSV and XML affiliate datafeeds for affiliates •Reports: ◦Category wise products with lowest prices from merchants. ◦Merchant wise click through report. ◦Merchant wise payment report. ◦Monthly click through. ◦Yearly click through. ◦Keywords searched by the visitors. •Product ratings review and approval. •Merchant rating review and approval. •Click through and package payment verification. •Merchants’ proposed products review and verification Front end: •PHP template based design. •Table less design for homepage and other important ranking pages (like category page, products listing page, product price comparison, login and register pages). •Interactive Product catalog. •Featured products on homepage. •Featured brands on homepage. •Product search by keyword or manufacturer code (part no). •Search tag cloud. •Recent searches on the website. •Product rating. •Merchant rating. •Newsletter subscription. •Latest Site News listing and ability for visitors to leave comments on news. •Visitor activity history saving recent searches by visitor, recent visited products and wish list. •Price alert subscription so that member is emailed when price for a product reaches certain level. •Email to a friend so that member can refer site or product to others. •Discussion area for visitors for each product. •Compare products by feature. •Compare prices for a product and by stores •Top stores ranking based on click through. •Merchant prof