Well, Yes! International NGOs offer a vast scope for learning and gaining experience in the sector. If you are interested in working for the challenges in human development on a global level, a career option in an international NGO is the best choice for you.
These NGOs offer the best opportunities for those who are highly interested in working in the development sector. Search about the domains NGOs work in, identify the domain you are most interested in, short-list them, and talk to some people working in this domain.
Well, besides this, you should also know, NGOs seek for professional and managerial skills, apart from many other technical skills. Bringing a different professional skill to the table will be helpful for the NGO, and would result in a win-win situation. Also, most of the NGOs look for previous experience with NGOs and volunteering experience of candidates while recruiting.
So, if you are interested in working for the challenges in human development on a global level, a career option in an international NGO is the best choice for you.