If this is a commercial venture, then you probably will not be able to afford me.
If this is a school assignment then having others do the work means you will learn nothing.
The same comment applies if this is for your own personal learning and fun.
Your question is a bit like me saying "please build me a house" and saying nothing more - ther eis no way that anyone can do that. Alternatively you will end up with a house that is completely unsuitable for your needs!
For a start, you need to say what problem you are trying to solve.
The you can decide what processor you should use, which RFID chip you will use which lets you know the hardware communication protocol as well as the commands needed to interact with it, and a whole lot more.
Susan