It's pretty easy to move to (most) European countries really. It's nothing like what you're hearing from people trying to move to the US. Most will just let you stay to work (visa/residence permit) with relatively little bureaucracy. As long as you have a job they won't bother you. There's some other requirements (qualified professional, certain income), but as a software developer you won't have any trouble. Your em…
Does this apply for Germany, Austria, or Sweden? I speak German and have some familiarity with the (German) culture and country through a decade of study and a couple of visits. Less familiar with Sweden, but I fell in love with the country after visiting and was able to pick up some minimal understanding after studying it for a few months, so I don't think getting conversational would be too difficult.
Consider adding Czechia to your list. Nice place with good beer, and central enough to easily visit other EU countries.
Worth checking [2] and [3]
[1] https://www.bbc.com/worklife/article/20160517-this-is-one-ci...
[2] https://www.eurofound.europa.eu/country
[3] https://www.numbeo.com/cost-of-living/country_result.jsp?cou...