Citizens of France, Germany, South Korea, New Zealand aged 18–30 can apply for a 1-year Brazilian working holiday visa in the Federative Republic of Brazil.
Guides
The Brazilian working holiday visa for New Zealand citizens
About
New Zealanders between the ages of 18-35 years are eligible to apply for 43 long stay visas under the working holiday schemes New Zealand has agreed with other countries.
40workingholidays.com has guides on how to apply for the visas, and how to get setup once you arrive.