need an android developer

to make chnges in app that is in fluter 1. Android developer needed ( in this we have already created app and we need some developer to implement this 4 points into it. App that can interface with our Facebook page: cinderella couture bridals & formal wear We also need the following interfaces: [login to view URL] Square account (for purchasing , taking and receiving payments as well as sending invoices. Account details we be provided upon request. 2. Direct customer purchasing and shipping from our list of vendors. Account details we be provided upon request. 3. Ability to book appointments with customers from paid reservations 4. Top SEO page rankings on major search engines Yes App should redirect to the Facebook page [login to view URL]