I already have an app developed for my supermarket, android and iOS versions, both are developed in native languages.
Also has android app for supermarket delivery boy and one for the store to pick order items from shelves and both linked to the main supermarket shopping app.
I need someone to help me to suggest or do any modifications, fix Technical issues and to be our full time technical support.
72 freelancers are bidding on average $13/hour for this job
You can also check my portfolio: https://www.freelancer.com/u/micheal4299. I also have experience in working on similar projects. Let me know if you are interested in working with me. Thanks!