Instagram scaled from 0 to 14 million users in just over a year, from October 2010 to December 2011. They did this with only 3 engineers. They did this by following 3 key principles and having a reliable tech stack. Instagram’s Guiding PrinciplesKeep things very simple. Don’t re-invent the wheel. Use proven, solid technologies when possible. Before I continue… I want to introduce SWE Quiz. It’s a