My City Guide with Liferay.

My City Guide with Liferay. i will create one city guide and i am thinking in use Liferay Portal. I- Project Requeriments: 1) my guide need CRUD category 2) my guide need CRUD Ads 3) My ads need ( String name, String url, String Address, String City, String state,String country, String CEP, String phone, String phone2, String phone, tinytext description, Blob photo1,Blob photo2,Blob photo3,blob photo4) (you can save photos in dir or in database) 4) I need config if user can create category or not. 5) I need config if user can create ads or not. 6) i need config if user can create or not. 7) i need search the ads (if possible with liferay search) 8) i need google direct visibility for each ads. Because it we will not use "?" in our pages. I want one unique url for each ads. 9) i need every Ads in a single url (can not content "?") 10) i need one sitemap with link for all Category and all Ads. II - Payment in Advance Not agree payment in advance or initial milestone. III - Milestone Payment i agree if proportional to finished work. IV- Skills required: Java Liferay.