If you work remotely, then the world is your oyster. There are many small cities with a good mix of what you like. Finland, Estonia, Denmark, Romania, Sweden, Norway, all countries with such cities where you can also speak English. But if you drop the English requirement and are willing to learn the language, then many more countries fit the bill.

A country in Eastern Europe might do well for a high salary and low taxes. There are a few countries that have tax advantages for people who move there and register in the municipality.