At Forcelandia 2017 I gave my perspective on Software Architecture, I gave the same presentation at Down Under Dreaming — Sydney 2017 and have recorded it in a YouTube video.
For those looking to watch it, you can find it here: https://www.youtube.com/watch?v=ND-dX-__I1Y&t=7s
If you want the slides (Which are possibly a bit hard to follow without the narration!), you can check out Slideshare. https://www.slideshare.net/sherod/perspectives-on-salesforce-architecture-forcelandia-talk-2017