Once your app has been uploaded to Apple, we require access to your developer account in order to finalise the process of getting your app live.
Login to your iTunes Connect account via itunesconnect.apple.com
Select Users & Access
Select + in the Users and Access section
Fill out the details as shown below, then press invite, ensure the user selected is Admin.
On personal accounts the developer resources will be greyed out, don’t worry please proceed to invite.