You have to Manage a Running Ionic Application. You'll have to add new features etc.. according to the needs of Client. You will have 15-30 days because, they have to update their app in every 15 to 30 days. You will not give your Major Time to the project, You can give an hour or two a day to manage the app, Also many times you'll no need to do anything because we just need a person who can manage the codes if needed.
We just need a person If any problem will occur in Application, Also He will have to make new features in the app if needed.
We will give you 4000 Monthly.