QR Code Generation for Invoices

I'm looking for a professional to generate a QR code for me. The QR code should be embedded with specific text for my invoices. It needs to be a small size, around 2x2 inches.

Ideal skills and experience for the job include:
- Proficiency in graphic design software
- Previous experience with generating QR codes
- Attention to detail to ensure the code accurately represents the invoice data
- Ability to deliver in a small, specified format.