Angular (4/5) Expert
I live and breathe Angular (normally the most recent version - currently 5.0.0-rc1 and have used Angular 5 for several months at recent contract.
I have been into Angular 2 since Dec 2014 and have written my own major SPA training application for Angular 2 which now has 2000+ pages and include 50+ working applications and covers nearly every aspect of Angular 2. I have also mentored to companies and groups in Angular 2 . I lectured for 6 years at a college in Maths, Electronics + Computing during which I obtained my Cert Ed and MSc in Computer Science.