PivX Fork | Free coin transfer if amount is greater than '#'

I'm looking to fork PivX primarily to implement a free transfer feature for transactions involving over 'X' amount of coins. In addition to this, I want to incorporate custom transaction fees into the fork.

Key Requirements:
- Implement a free wallet to wallet transfer feature.
- Develop a system for custom transaction fees.
- Design a feature-rich and detailed wallet interface.

Ideal Skills:
- Blockchain development, specifically with PivX.
- Cryptography and security enhancement.
- UI/UX design for complex digital wallets.
- Experience in creating custom cryptocurrency features.

Please include relevant examples of your experience in your bid.