Vadim Semenov has been working at Datadog for almost 4 years as a software engineer. He helped bring Spark to Datadog and helped build major pipelines that process all metrics data on top of Spark. Previously he worked at Exponential Interactive on scaling main systems, operating Hadoop clusters, working closely with HBase, and building pipelines in MapReduce and Spark. In his free time he teaches high school students programming at CodeNation, and so far he's been to two Taylor Swift concerts.