i want programmer to design platform for printing certificate for students

i need someone to design platform for me
we are group of voulnteer and we make online cource and we need to design website so that we can print the certifcate like mirgent in microsoft work
and to save the fils as pdf and to give it serial num and every one of us have user name and pasword so we can know how print any of the certificate

If you have a realistic budget then you may be able to hire someone to help do that via www.studio.envato.com

Do you need the online course designed too, or just the certificate printer? It might be easier just to use some certificate printing software, like Adobe Spark: