Yes, I had a deep look into it, but put it on hold as of now.Have you considered Paraguay? It seems like some of the countries you mentioned are similar to it. The weather is ideal I hear as well. I'm also a software engineer and looking to move there at the end of the year. You can get a permanent residency by putting $5k into a bank account for 3 months. It's terratorial tax based, so you'll pay 0% tax. It's not the biggest country, but you probably only need to spend 4 months a year there (no 183 day tax residency rules, but 4 months is advised) as well and land is cheap so you can build a mansion
Ps. Sorry if I mention Paraguay a lot in posts, I'm getting excited about my move - also have spent the last 3 months researching every county on earth.. with the best taxes.. the best livability.. and the least COVID hysteria.. and this is my solution.
It is pretty hot down there, very remote, limited food choices and pretty much a backwater, if you want a certain high standard of living. Also safety is an issue if you build a mansion, you might need private security 24/7 or your mansion is empty when you leave for some vacation.
Time zone is also an issue unless you work only for North American clients. (a zoom at 10am in europe requires you to wake up at 1am-ish).
Rest is solid, plus its dirt cheap to live and also appealing if you are single . Cheap power, water and agriculture are also big plus.
Who would have been your lawyer down there?