Optimize Chicago Hood Roblox RP

My Chicago-style hood role-play experience runs, but the back-end has turned into spaghetti. I want the game systems—especially everything that powers vehicles, weapons and the shop network—re-organised... (Budget: $30 - $250 USD, Jobs: Backend Development, Game Design, Game Development, Game Optimization, Game Programming, Lua, Roblox, Scripting, Software Development)