Termporary Resident Card, that`s what you have. Do you have a work permit for Poland, too? If you do, it was issued to you after your current employer had applied for it. I am afraid there is no such a thing as an open work permit for all kinds of jobs in the European Union. You can be legally employed only by an employer who supplied a work permit to you. If you desire to look for another job, change employers or even countries, some new employer must obtain a new work permit for you.
Your Polish temporary (or permanent) residence card allows you to reside and work within the boundaries of Poland and travel anywhere within the Schengen countries. So, you can go to the Netherlands but you need a new work permit from the Dutch foreigners` affairs office. It will be issued to you if your new Dutch employer applies for it.
Hi. I have one consultancy which I contact if I have any question regarding my legal stay or work. The company's called an audit in Poland and I really trust them because they made 2 residence cards for me already and whenever I had any legal issues in Poland they helped me so these guys are legit. I recommend them to all my friends and never had any complaints. I have many Ukrainian friends also, and they usually do all legal issues by themselves but if you don't speak Polish it is better to make everything through the professionals and not to have all that headache.