I am a Principal Software Engineer at Amazon. Prior to that, I was: A software engineer for a company called , doing mostly Ruby and Erlang. A member of Dow Jones`s Research and Development team, working mostly in Erlang with some Node.js. The Optimization Team Lead at Yodle, a company in New York City that does search engine marketing for local small-to-medium businesses. The Optimization Team develops Yodle`s proprietary bidding algorithm. The buzzword is "Data Science," but practically what that meant was a combination of Java, Python and R. Before that, I worked for two startups located in New York. Profile ©