We have many good STEM universities with free education in Germany, but do we have enough options for top talent, in software related areas particularly, to make impact and retire at 40 or start own business? In Berlin, I see very few options to be close to such goals.
How many new famous technological companies came from Germany recent years?
https://www.germany-visa.org/number-of-blue-card-holders-in-...
https://www.thelocal.de/20180109/one-quarter-of-eu-blue-card...
Whenever I got mine, the person at the Ausländerbehörde said that the card was tied to my job title, not employer.
To get a blue card you primarily need an unlimited contract. Companies do help with the process of procurement, like setting up an appointment. Once you get your blue card you also get another "green slip" that mentions your current employer along with your job role. Anytime you move to a different job, this slip needs to be updated, which is then done by your new employer.