Online Code Judging System Development

I'm seeking a skilled full-stack developer or a small team to create an Online Code Judging System. This platform will primarily be used for programming contest management, as well as coding practice and educational purposes.

Key features include:
- User authentication via Email/Password
- Code submission in Python, C++, and Java
- Secure code execution environment
- Result display (pass/fail, errors, runtime, etc.)

Ideal candidates should have:
- Experience in developing secure coding platforms
- Proficiency in the mentioned programming languages
- Strong knowledge of user authentication mechanisms
- Ability to manage and display contest results