Need a programmer for Internet-acquiring

you want to create universal solution for prikatki system of Internet acquiring Bank. The customer – Bank.That is, for Bank need to develop a solution that will benefit his clients.

There is a test environment created by the Bank. There is a list of details required for connection. There is a document describing the communication Protocol.
You need to create a kind of universal solution, suitable for most CMS used in the market.
I suggest to create a test online store to any CMS with a single commodity and debug the entire system.
Preferably need someone from Moscow for possible meetings and discussions, but maybe the online experience.
Post your approximate prices and dates.