I guess Upwork is the leading place to find freelancers. It's a race to the bottom (i.e. competing with third-world devs) though so that can discourage one. Th

I guess Upwork is the leading place to find freelancers. It's a race to the bottom (i.e. competing with third-world devs) though so that can discourage one. Then there's Linkedin. Personally if I receive a job offer from outside Spain I assume it's clueless recruiter spam. Your message should be extremely clear that you are actively seeking remote developers from abroad.