Simple website script in Jave Script or other language

Job ID: 35753432

Budget: €12 – €18 EUR

HI
I need website without graphic design ideally in JavaScript to fulfil below functionality:
- Main Website with buy button ( integrated payments gateways are stripe and paypal)
- Once payment is made website will create user account and sent the generated password to user email address.
Once user log in to the page he will see below forms:
Form1 - max 80 char (required)
From2- Max 1000 char (required)
Upload1 button where user can upload file max 10mb - file need to be saved on website server with name as ordernumber.extension
At he end there is submit button once is pressed data should be saved in below structure:
(Form1,Form2,Form3(if exist),FileUpload1
Once is saved submit button become inactive forever and change the name to (submitted)
In case Form3 has not been populated - next to Form3 Submit "submit" Button should appear - once is submitted nad contains 40 characters is saved as Json file with name Form3+OrderNumber.json
- There also should be the option for admin account where admin can change item price and qty available ( from 1 to 1000)
- additionally user should be able to have functionality to change the password.

Please bit only if you are verified Freelancer with feedbacks in similar projects.
Milestones will be splited in to stages and please do not offer payments and communication outside of freelancer
Related categories: PHP JavaScript Website Design AJAX HTML