Gaming App Development with Leaderboards

I'm seeking a talented developer to create a gaming application with an entertainment focus. The game should incorporate a leaderboard system to foster competition among players. The ideal candidate for this project should have a robust experience in game development and a deep understanding of incorporating social features into games.

Key Requirements:
- Proficiency in game development
- Experience integrating leaderboard systems
- Understanding of social features in gaming
- Creativity in designing entertaining game elements

Please provide examples of your previous work in your proposal.