Since my coding abilities are very limited, I want to hire a professional coder who can teach me how to code a simple SPV wallet generating the QR code of a raw unsigned transaction composed of:
. One Sending Address
. Three Receiving Addresses
. Modular mining fees.
Anyone interested?
It's probably something that's very simple to try and do yourself.
If you use a language like Python, you only really need the blockchain.info API (to pull input scripts) and the bitcointools library to generate addresses, sign and broadcast transactions also. Unless you're hoping to use segwit in which case, it becomes a bit more difficult as a lot of systems are now out of date but can still deal with legacy transactions.