I’ve worked with several developers from there (I’m in Australia), and they’ve all been very capable and great to work with.
Due to its lifestyle and culture, NZ attracts/keeps the kinds of people who care about interesting tech and worthwhile projects, rather than raw dollars.
Local salaries may be lower but cost of living is lower and work-life balance is likely to be better.
But timezone proximity to California and eastern Australia means you could seek remote work with bigger foreign companies that may pay better.