Am looking for an expert Ionic Developer

the changes that I require are several, all to be made as necessary both in the backend and in the frontend: -Change all the screens with a design that I have (I will showed it to you). - Make a login with cell phone verification by sms and before registration check the coverage of our service through comparing the user's zip code with a database. -In the previous main screen it only had categories, now you have to add a news section that can be customizable for each user. and also a section of packages available for each user. next to the shopping cart button -Ability to send push notifications to the user that I choose, -Ability to choose which promotions and packages to show to the Users of their choice. -The calculations necessary for the totals to be displayed when choosing a discount or a package. -Payment gateway -All this in hybrid programming that allows me to upload the App to Ios and Playstore 100$ budget fixed .