React Native expert needed for LONG TERM mobile project

Currently, videos and photos uploaded in the application are performed in the background. Due to the problems experienced in this application, we want to turn it into a normal uploading [login to view URL] want the upload process to take place directly into the service on the gallery [login to view URL] is now an insert page in the gallery. After the picture / video selection is made here, it is saved to sql and the background process uploads the records from the sql table to the service in [login to view URL] is the current version. We want to put it in the way to upload directly to the upload service. You can think like Whatsapp. The selected pictures and videos will be uploaded to the service 2 items in one particular time respectively. Currently, the pictures selected in single order are displayed. It continues in the same way. We want this process in the background to be on the gallery upload page. Since the application will stop when closed, we want it to continue loading when it is opened again. Before the installation begins, we want to show a warning that you do not close this screen so that the installation is not interrupted with a warning. Source Codes: [login to view URL]