1- flutter, "My School" cross platform app

Cross platform app ( android and iOS) in 10 days or less . Mysql database Similar app : [login to view URL] The super admin side : 1- can create a school 2- can add/edit/remove manager user for specific school 3- it's multi school app. The manger side : 1- can create/add/edit/delete classes, school grade 2- create /add/edit/delete users ( manager, teachers, students) 3- can post notifications to specific class, teachers, students or groups ) 4- can see all groups activities ( posts, groups.. etc ) The teacher side : 1- can post images, texts on it's classes groups 2- can reply to students 3- can post/edit grades for each student The student side : 1- can reply to texts and images from teachers 2- can see classes( schedule) and grades 3- can ask teachers privately Finally: 1- I'm looking for a long term developer so let's your bid be reasonable 2- hard deadline ( daily updates, first running version in a week or less, Second last version in 10 days or less, First day or second to finish front end prototype . 3- no payment upfront, first milestone creation after the first version is done, second milestone creation after second version is done, release after all bugs and Feedback are done 4- nice responsive design, be creative 5- it's on going project so more features will be added and you will get paid for each new update