Hiring senior Kotlin developer to build Instagram Login by webview using Instagram private API

Looking to hire an android developer who will build an android application that will let users login to their Instagram account users using the below private API. You will mimic the exact login screen as shown in the video attached below. After you complete this project, we will hire you again to build the next portion of this app.

You will use this private API here for the project: this https://github.com/instagram4j/instagram4j