Here are some useful links if you are seeking work in Denmark:

We believe that you will get a lot more out of your stay here in Denmark if you know a little of the local language and culture. As for the free Danish classes, if you have a CPR number (yellow card) then it is free at any place unless you are taking a private tuition where you pay by hour. One of the best schools in Copenhagen is Studieskolen whose Danish courses are intensive and helpful and it is free for people with CPR number.

Those who are interested to learn Danish language can check out these sites: