South African here. You'll easily find good people. Our startup culture is so-so and if you want esoteric languages you'll have to look harder, but .net, Java,

South African here. You'll easily find good people. Our startup culture is so-so and if you want esoteric languages you'll have to look harder, but .net, Java, Ruby, mobile, Linux etc should be fine. For interns just contact a local uni in the city you're like to be in (probably Johannesburg or Cape Town).