Upload json files of a project to back4app.com parse server

I need an iPhone/iPad app. I already have a design for it, I just need it to be built. I bought eshop template in codecanyon page but I can't use the app because the app works with Parse and parse doesn't allow import files at the dash borad I need someone to helle editing the app to work with parse. I need to upload my project to parse sever host called [login to view URL] I have an free account there