Payment-Integrated User Platform Development

I'm looking to build a versatile online marketplace platform (a responsive website that works well on phones and computers), similar to platforms like Airtasker, Uber, or Didi but focused on transporting goods, cars, motorcycles, furniture, and general freight... (Budget: $15 - $25 AUD, Jobs: API Integration, Database Design, Full Stack Development, Mobile App Development, Payment Gateway Integration, Payment Processing, Software Development, UX / User Experience, Web Development)