Build and design

Hi .... I would like a website for posting jobs and requesting jobs from users: User can be buyer or seller. User can sign in and sign up. User can send messages to other user. User can upload files. User can edit his profile: paypal account - name - password - about User (Buyer) can post his requested job by filling these form fields : * What do you want to get done (Input box). * Category for type of jobs. Ex: programming-translating-writing ... etc (option box). * Description for requested job details (textarea). * Budget (Input box). * Estimated Job Duration in days (Input box). User (Seller) can post his job by filling these form fields : * Input box for job title . Ex: I will make to you a logo for your company for $10. * Category for type of jobs. Ex: programming-translating-writing ... etc (option box). * Description for job details (textarea). * Instructions to buyer (textarea). * Maximum Days To Complete (Input box). * Upload image command. The main page : Header : Logo - sign-in/sign-up - profile - post job command - request job command (Make icons for these links). Content : Posted jobs panel (Seller jobs) : Each job contains : job title link - little description about it - image - seller name - contact command (This command should be shown a textarea for messaging the seller ). Requested jobs panel (buyer jobs) : Each job contains : job title link - little description about it - buyer name link - delivery time - budget - send an offer command (This command should be shown a textarea for messaging the buyer). Footer: Copyright - Use terms - Privacy policy The detailed page for each job: Job title - image - full description - buyer or seller name - order command ( seller job) - send an offer command (buyer requested job) Admin : Manage users: add - view - edit - delete - block Manage requested buyer jobs : add - edit - view - delete Manage seller jobs : add - view - delete Manage payments : view payments from buyers via table : order ID - buyer name - price - payment day Manage withdrawals : view withdrawals to sellers : paypal email - seller name - funds to pay (net amount to be paid to seller after getting a commission to the website) - pay command Manage files : view - delete Manage categories : add - edit - delete - view Manage settings : edit admin pages like use terms and privacy policy The website must be developed by using these technologies : html5 - css3 - pure javascript without any framework or library - core PHP without any framework. Responsive design without any framework Compatible with all browsers. RTL support only ( arabic ). Paypal Gateway payment integration. My sql 5.7 for database with using PDO extension only ( no mysqli ). These are my needs in my project at the moment only but i need lots of extra features later. Thanks