Your portfolio showcases an impressive breadth of skills and interests, from Unix-like photo management systems to HTML5 ports of classic games. It’s clear you have a passion for learning and experimenting with different technologies, which is something to be incredibly proud of.
Hmm, I don’t remember making any HTML5 ports of classic games but ok
This whole writing seems to assume that productivity is a feature of an individual and not a feature of a team. That’s a wrong assumption. The fairest way to pay is same salary for the whole team.
This writing is also PR for some individual company.
And this writing is three years old, written before the current economic slump. Nowadays the market is not so busy, at least not where I live in.