Hi, I had the same idea two years ago. As same as you, I'm Ruby on Rails Developer. So I picked up the Education First(http://www.ef.com/us-home/ http://www.ef.

Hi, I had the same idea two years ago. As same as you, I'm Ruby on Rails Developer. So I picked up the Education First(http://www.ef.com/us-home/ http://www.ef.com/us-home/). It's nice school with great location and you can live in host family - its the cheapest way how to stay in SF. I paid around 25$ a day for sublet with breakfasts and dinners.