Hello, How are you?
I'm professional software developer and I have built lots of program include QR code create and scan.
That's very familiar to me and I can provide you perfect result you want.
Do you want that on android?
Or IOS?
Or Web?
In any case, I'm sure that I'll satisfy you.
I like to discuss with you about your project.
Please feel free to contact me at any time
Hope for your reply.
Regards.
Peng