siacoin cryptocurrency daemon expert needed -- 2

we need somebody who knows siacoin well. We basically neeed someone familiar with siacoin daemon and wallet [login to view URL] want to manage multiple siacoin wallets through its daemon by switching wallet file of every user before the call,executing the call/command,switching to another users wallet for his command and so on as sia doesnt have concept of indivisual account system like [login to view URL] wallet files and switching wallets in siacoin daemon will take place for every user . it will be similiar to sia ui except we will give the daemon different wallet files of different users so that we can make a account of siacoin for them and enable them to make wallet functions on thier [login to view URL] will be similiar to what polinex does for sia deposits , withdrawls and transfers as it gives all users thier own address but manages them [login to view URL] aim to do this through unlocking each wallet files and using it.