Minecraft Plugin Developer for Custom System

I'm seeking an experienced Minecraft server plugin developer to create a detailed, all-encompassing custom gameplay system for my server.

Key Requirements:
- Extensive knowledge of Minecraft server mechanics and plugin development.
- Experience in designing complex custom systems.
- Proficiency in Java, the primary language for Minecraft plugins.

Project Details:
- This plugin will need to enhance all aspects of gameplay, not just combat. It should be able to introduce new elements to crafting and resources as well as player interactions.
- The combat mechanics should be particularly enhanced with the introduction of custom weapons and unique combat abilities.
- Aim for a deep-dive, intricate, and engaging custom system that will keep players entertained and challenged.

Ideal Skills:
- Minecraft plugin development
- Java programming
- Game design and mechanics understanding
- Combat system enhancement
- Custom weapons creation
- Unique abilities design