I have excellent experience in both Python 2.7 and 3.5. I developed projects on python 2x and on 3x, so I use both on daily basis.
I developed, customized ERP Point Of Sale module using python/Odoo.
I worked on Oracle ERP for 8 years. I can help you build the POS system using the python software and raspberry pi as hardware.
Let me know if interested.
my old profiles
www.freelancer.com/u/rreddi .(5 projectLagi