I really don't mean this in a dismissive way, but it'd be better if you just read a book on communist theory. Because I cab give you a summery of 1 of the possible solutions but without further context it will just generate more questions.

But if you don't want that summary: people that work less desirable jobs get more benefits like early retirement or priority for certain luxury goods or something like that, but would ultimately have to be decided on by the community at large.