Jeffrey Zeldman interviews front-end developer Jenn Lukas about how to tell if you're a designer or coder; in-house versus product development versus consulting; Girl Develop It, a code teaching activity for budding women web developers; the designer/developer collaboration; tabs or spaces; jumping on the SASS bandwagon; staying sane during #siteweek; maintaining an active roster of side projects; the importance of writing; and more.