If you plan to work legally in any European country, you will need to make arrangements based on your citizenship.

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If you are a non-EU national, you will need to get a work permit or a visa in advance. Expect to do a lot of paperwork and conquer a lot of red tape to obtain the necessary permits from the consulate of your own country. You'll also be needing letters from your future employers as proof of your intent. Before you leave, make sure you've also…