Turning down a job but offering to work as a consultant instead?

I got a job offer for a position that I'm going to turn down (pay is lower than I make currently and even if that wasn't a factor, the benefits aren't great). I've definitely already decided not to take it. But I wonder if it would be possible to ask to work part time for them if they wanted. The work is infinitely more interesting than what I'm doing now, so it would be nice to be involved.


Has anyone …

benefits consultant datascience job work