Each organization offers several kinds of programs. So you should look if you are interested in work programs or a combination from work-study programs. Be aware, that you willneed savings to finance this part. It makes sense, at first to start
with work to save money. Ask if it is possible to get a job duringyour studies, please pay attention if the job is compatible with yourvisa. It could be that you have to find a job in your field, it makes it a little bit more complicated.

I chose for program which included a study part and I gained a lot experience even if it was very dificult to life without earning money. But this shouldn't be the main point in your thinking. You will improve the language skills much faster even if the challenge at the beginning is very high and you may want to give up. It will be another important addition to your personal experience.