Have developed some websites with Joomla. I have been using Joomla since 2007, so am quite familiar with it. Not an expert, but getting there.
I also have been programming in C and 8 bit assembly language since 1988.
I have analog and digital systems design experience also.
I am also a hardware engineer, and have extensive embedded systems design experience. I am very familiar and have used many microcontrollers from 8085, 8051 and variants, and PSoC1 and PSoC4. I have on the whole about 30 years experience in