Special Rank System … Like (PermissionEX, LuckyPerms)

[xLeoJoseph]

"First in first i am java developer, but i dnot have time to make this because my server will open after 5 days"
So i need Rank Permissions System like (PermissionEX, LuckyPerms, etc..)
Support MySQL
Support API
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What this plugins do:
1- Create new Group with prefix
2- Add Permission to players & groups
3- ADD/SET/DELETE Player from group with time (Day-Month-permanent)
this just for the basic
and i have all commands and all IDEA
So if you good developer have Experience (mysql - systematic)
Tell me Discord:
Joseph.M#0001
the best deal for me will be by the best price & time to finish this plugin​