I know/knew a bunch of Scandinavians in software engineering who moved to Japan 10-15 years ago. They loved it as long as they worked for the Scandinavian company's Japan subsidiary. They didn't love it so much a few years later when they ended up having to find jobs at Japanese companies because of a downsizing. Some ended up at companies like Rakuten. Heard some horror stories of insane company "culture" that would make Amazon execs blush.

But you seem to be happy at a local company. Do you think you're lucky, have very low demands or have working conditions changed?