Creating a plugin on JAVA

Web programmer services are required. We need to create a plugin. The plugin should provide a web interface to read data from the console and send commands to the console.
Background:
The plugin must be developed on JAVA in a format suitable for interaction with Minecraft Spigot kernel version 1.12. For the successful development of the plugin, the skills of Minecraft software development and skills in working with network protocols, in particular, the implementation of a web protocol (server) in Java, are desirable.