Ask HN: Should I quit my job if I am not learning?

I graduated with a B.S. Computer Science in 2013 and joined a (moderately large) software company in the Bay Area. When I accepted the offer, I was led to believe that I will be working with the company's search/recommendations/data products team - a role that will be a combination of software engineering and applied research (information retrieval, machine learning). But so far, I have been asked to work on things like the company's metrics pipeline and various dashboards etc. I am really frustrated about the fact that I don't get to work on any products/applications - the work is not satisfying and I feel my software engineering skills are eroding.

Should I wait for my 1 year cliff or quit immediately or not quit at all?