From 2007-2008, Ethan worked as a Software Engineer at Jumptap. From 2008 to 2011, he was a Software Engineer at Broad Institute. In 2011, he joined Pubget as a Senior Software Engineer and worked there up to 2013. Since 2017, Ethan has been the Co-founder and CTO of Arwen. In addition, he is an Advisor at DAGlabs.