I lecture in computing at DCU. I'm also the CEO & Founder of Simpitiko. You can find my summary cv here.
I'll add back some of my old writing from niallmcmahon.com here soon.
Email's almost always the best way to find me; try niall.mcmahon at gmail. If you'd like to talk to me, my phone number is +353 (0)87 683 9648. You can find me on the usual platforms, including Signal.
My DCU details are here and my DCU webpage is here. You can find out more about Simpitiko here.