develop a software, which allows to generate QR code and associate it to a specific place

I want to develop a software, which allows to generate QR code and associate it to a specific place, Program will have three interfaces, User Interface Administration interface Center interface Highly desirable to develop the software as an extension to joomla or wordpress The software is not a smart phone app! The user scans the code using external app I enclose a link, the a full characterization of the software Please do not offer price without regard to the requirements Please do not write general text just to participate in the auction If you are new to the site or you do not have 100% good feedback, please do not bid Requirements are a great programmer (preferably a Company) extensive knowledge in all skills I mentioned + excellent familiarity with google maps api Required knowledge of English including writing and speaking ability!! Please send link to work you have made in programming (not web design) Please do not send a link to your portfolio site here, I'm trying to filter all candidates and only get good candidates, We are a company of construction sites. We have at least four major projects in sequence, Very important to us available, seriousness, and persistence Thank you to all the freelancer for your time and effort Below is the link to the characterization [login to view URL]