Daniel Longley is a Principal Software Engineer at Amazon, a position they have held since 2014. Prior to this, they worked as a Senior Software Engineer at Amazon from 2009 to 2014 and gained early experience as a Software Design Engineer Intern at Microsoft in 2000. Daniel's contributions at Microsoft include designing and coding for notable products such as Exchange Server and Halo 2 for Windows Vista. They earned a Bachelor of Science degree in Mathematics from Pennsylvania State University between 1997 and 2000.