I worked as one of the EFL teachers at a Japanese international school in Singapore for a year. I have a CELTA and quite a few years experience teaching in Japan. The other EFL teachers at the school were hired locally and got a lot less pay than I did.
I met many other foreigners (mostly Australian/British/New Zealanders) who were also hired from overseas to work at various international kindergartens there. I think everyone I met either had a couple of years experience teaching overseas or had a TEFL course under their belt.
The money wasn't great because the housing was so expensive. My school supplied me with shared housing, but I still had to pay half of my salary for it. On the bright side, the apartment had an excellent view, was in a great location, and had the usual free gyms/tennis courts/pools that most apartment complexes in Singapore have. Transportation and food are cheap in Singapore (comparable to Korean costs probably) but having to pay for housing yourself makes it much harder to save money than in Korea. The lifestyle is nice (although boring! It's a tiny place, so there isn't that much to see & do. But trips to various countries nearby is cheap & easy). The reason I didn't stay for any longer was because I thought the weather was so boring with every single day for an entire year being hot & sunny with occasional heavy downpours. I much prefer wearing different clothing in summer & winter, rather than the same clothes forever and ever and ever....!