> I don‘t think that in 2018 you could expect a backend dev to implement responsive layout, deliver accessibility, localization, delivering to different browser

> I don‘t think that in 2018 you could expect a backend dev to implement responsive layout, deliver accessibility, localization, delivering to different browsers This is all HTML & CSS. Bootstrap made responsiveness normal ever since it was introduced. If you have any form of server rendered application you have to handle these. It’s not like you can choose to hand it to a nonexistent front-end dev, since there is no separate front-end.