Building custom modules for Magento site

We are looking for an experience developer with knowledge of ZEND and Magento to build several custom modules for a new Magento website. Modules include: 1. Integrate media player to play 30 second music clips (audio only). 2. A daily updates area, that shows all new products that have been added to the store (mockups available). 3. Category-specific banner ad module. Display a banner ad, based on the category of the page, or other attributes of products displayed on the page. 4. Add various sorting/filtering options for product list view page. 5. Implement sliders for product navigation for sections such as "New Arrivals", or "Top Sellers", or "Specials", with the ability for the client to choose which products appear in the first 2 slots. (the slider will show 5 products on one row, with arrows to the left and right, but the first two products need to pull from a different pool of products) Other tasks include: 1. Installation of an SSL certificate. 2. Set up multi site for different target audience (wholesale customers and retail customers) Candidates should be able to reference modules that they have built in the past so that we can evaluate your skill sets.