Build a small networking website

looking for a coder who can do the following,and has a good previous work credentials.
1.make email address by using one member's user name:user's name@my website,for example
2.profile pops up when my member types www.my website/user's name.for example www.myspace.com(multi-lingual)
3.install multi-lingual autoresponder
4.create a simple front page,what is it all about,how to use it pages,along with sign up pages.