Sean Cier

Sean Cier is a seasoned technology professional with extensive experience in software engineering and mobile architecture. Currently serving as a Senior Principal Engineer at Zillow since March 2019, Sean leads the mobile architecture for the Rich Media group, focusing on virtual home tours and immersive experiences. Prior roles include Software Engineer at Apple, where Sean contributed to AR Walking Directions, and Senior Software Development Engineer at Amazon, where Sean led the development of the Amazon Shopping App. Sean's career also spans positions such as Software Architect at Parabon and Tech Lead at ProLogic, showcasing expertise in distributed computing, interactive 3D visualization, and various advanced technologies. Sean holds a Bachelor of Science degree in Computer Science and Physics from Carnegie Mellon University.