All depend of your location of course. I live in São Paulo, Brazil. I earn 4500 Reais per month (~ 1300 usd per month). This is actually around 30% higher than what I was expecting as an average salary for a junior web developer. Luckily I landed the job with the highest pay.

My expectation is to double that within two years. I believe my former work experience can accelerate my path to be a senior developer. And then keep going on a more linear growth.