David Haney is a Senior Director of Engineering at Stack Overflow. He was previously a lead developer on Fanatics' e-commerce platform which hosts over 10,000 websites including NFLShop.com and NBAStore.com. David is passionate about distributed systems and scalable web applications. In his spare time, David enjoys craft beer, movies, and video + board games. He's also the creator of codesession.io - a free and live programming interviewing tool.