Tiered Subscription Site Development on Wix

I need a responsive subscription website built using WIX that supports three paid membership levels. All members, regardless of tier, must be able to log in and instantly see their entitled discounts, take part in prize draws/competitions... (Budget: $2 - $15 AUD, Jobs: Database Management, HTML, Mobile App Development, Payment Gateway Integration, PHP, Security, Stripe, Web Development, Website Design, Wix)