Here’s a polished job posting for your mobile game upload project to Google Play:
Position Overview:

We are seeking an experienced Mobile Game Upload Specialist to assist with uploading our completed mobile game to Google Play. The game is simple, and all necessary materials—such as screenshots, descriptions, and other required assets—are prepared and ready for submission.
Key Responsibilities:

    App Submission:
        Ensure the game is successfully uploaded to the Google Play Store.

    Compliance:
        Verify that the app meets all Google Play guidelines and requirements for publication.

    Troubleshooting:
        Address any potential issues that may arise during the submission process, ensuring a smooth upload.

Requirements:

    Experience:
        Proven experience in uploading apps to Google Play and familiarity with the Google Play Developer Console.

    Attention to Detail:
        Strong attention to detail to ensure all submission materials are accurate and compliant.

    Problem-Solving Skills:
        Ability to troubleshoot and resolve any issues that may occur during the submission process.

What We Offer:

    A one-time project with the possibility of future collaboration on additional projects.
    The opportunity to work on a fun and engaging mobile game.

Application Process:

If you are qualified and interested in this opportunity, please submit your resume and any relevant experience related to mobile app submissions. We look forward to hearing from you!

Feel free to adjust any specific details as needed!