Hello!
We are a team of Electrical Engineers with experience in Embedded System Design with strong mathematial background. We have expertise in hardware interfacing, on programming language of choice, including C++, JAVA, C#.
Kindly mention your timeline details. We are currently working on a very similary project. Kindly see my profile for the link under currently ongoing projects. We have experience in interfacing RFID readers. Which RFID reader are you using? The GUI can be developed in Java. We can design a very user friendly interface, fine tuned to your needs.
Looking forward to working for you.