Competitive Coding Platform Development

I'm seeking an experienced developer to create a competitive programming coding challenge platform from scratch. The platform should primarily support JavaScript.

Key Requirements:
- User-friendly interface for coding challenges
- Real-time code execution and validation
- Support for multiple difficulty levels and diverse problem sets
- Leaderboards and performance tracking
- Community features like forums and discussion boards

Ideal Skills and Experience:
- Proficiency in JavaScript
- Experience with real-time web applications
- Strong background in competitive programming
- UI/UX design skills
- Knowledge of backend technologies to handle real-time data processing

I'm looking for someone who can turn this vision into a robust and engaging platform.