Announcements.website

I Need a web designer and developer to make a website of Announcements. The application aims to connect people willing to give goods and services to the other people. Generic user can have the following roles: - giver, who gives something (goods or services) to other users - receiver, who receives or wish to receives something from the giver. The receiver could be an individual person or organization; The basic functionalities are: - Sign up page - Login system - profile page for every user. During registration, each user can be of 2 types: individual person or organization Every user always has giver or receiver capabilities. A generic user can: - add new announcements. Each announcement could be of 2 type: - good(material stuff) that includes the code, good description, category, description of target user, location (country,city,zipcode), note, photos, start date, end date); - service that includes the code, service description, category, description of target user, attachment, note, external link, start date, end date ); - view the list of announcements where the user is involved (as giver or receivier) with a status that could be to ongoing or closed with detailed page link; - view a detailed page with announcement's details. If the announcement's status is on going and he is the owner of the announcement, this will show all the subscribers with the possibility to choose one or more of them; system features: - A generic user can search announcements by type(good or service), category, location, good or service description and subscribe to it. - messaging system among users - invite friends by email or by social networks - pinwall system (facebook style) where a generic user can view all the events (announcement's status change, new announcements, etc...) Requisites: - PHP with MVC patttern, preferably Yii Framework ([login to view URL]) - I18N internationalization - Clean and well formatted code - HTML and CSS compliant with Explorer 7+, Firefox 8+, Chrome - Modern and attractive design layout Further details will be provided privately in second step.