I think the responders gave a lot of great feedback about getting a job and living in Greece.
So, I will pass you some links that may be valuable if you settle in Greece.
Facebook group for start-up jobs:
Startup jobs general(remote options):
Also you can check teleperfomance jobs as a first/quick solution:
Due to economic crisis, the companies successfully overcome this issue by developing export departments,
so English and German are great assets whether you considering this option.
Regarding meetups, the major technical events (for instance data science etc) held in English.
Best regards from Athens!