Digital Mandi Accounting Platform

I am setting up a “Mandi Accounting Manage Bussines” solution—essentially a full-service digital green market—and I need the platform built from the ground up. The core objective is to run every part of... (Budget: $10000 - $20000 USD, Jobs: Accounting, API Development, App Developer, Database Design, Desktop Support, Full Stack Development, Mobile App Development, Payment Processing, Software Development, User Experience Research)