software buy/sell currencies for currency exchange

need aoftware to automate the workflow process of selling or buying foreign or digital currencies like bitcoin from customers need someone to create an app that will interface with binance via api and [login to view URL] provide a static bitcoins address to customers using RPC check with node of transaction has received a confirmation once 1 confirmation. is visible from node, sell btc for usdt with BTC/USDT pair. record the balance and the opposite for selling digital currencies