Sir,
I have been developing websites for 4 years now and in this time I've developed more than 15 websites. I have done the job you are looking for, so I feel qualified for your project.
I am completely new on Freelancer. That's why I am offering you a pretty low price for the job. But I guarantee you 100% SATISFACTION.
If you hire me for your job, I will:
1. offer you with basic fields for the sign up process depending on the type of your website.
2. let you add/remove the fields.
3. let you choose the theme of the login/sign up page so that it matches your website theme.
4. make a strong database for keeping user information.
5. I'll also offer you a 2 click sign up process, using Facebook for a specific price.
And we can always discuss if you need something else.
Please feel free to contact me. I believe in long term business relationship.
Thank you.