Android WiFi Scanner App Development with Ad Integration

I'm looking for a skilled Android developer proficient in either Kotlin or Java to create a WiFi scanner app. This app will serve two primary functions:

Scanning and displaying available WiFi connections, providing information on each.
Testing the speed of the user's current internet connection.
Here are the specific requirements for the project:

Functionalities:

The app must include an Application Class and a splash screen. The splash screen should display for four seconds, and the background should be defined in the style XML file.
The primary screen of the app should feature a bottom bar with two tabs: one for testing internet speed and another for displaying a list of available WiFi networks nearby.
Clicking on either tab should trigger an interstitial ad, provided through the AppLovin SDK.
If the ad load fails, the app should try to load the interstitial ad again, with a maximum of three attempts.
After an interstitial ad is closed, a new one should start loading (onAdHidden callback).
Integrations:

The app must integrate with the AppLovin SDK for displaying banner ads across all screens, excluding the splash screen.
It should also integrate with OneSignal SDK, which needs to be initialized in the Application Class.
Design:

The app's graphics will be provided by me upon project commencement.
Deliverables:

Complete, functional Android app as per the above requirements.
All source code and relevant documentation.
Please note that you'll be provided with the OneSignal keys, package name, and graphics for the app after being selected for the project.

Applicants must demonstrate experience in Android development and familiarity with the required SDK integrations. Previous work with WiFi or network-related applications will be considered a plus. Please apply with examples of your previous work. I'm looking forward to working with you.