In 2011, Bouygues Telecom built a “software factory” to deliver software for its “boxes” (IPTV set-top boxes and internet routers). A Software Factory is a combination of tools and methods to promote automated building and testing, with a focus on configuration management. Since then, we have started a transformation journey, combining the ambition of agile software development and lean product/management culture. This talk focuses on the “factory” metaphor, since we have found that the way the software is built is as important as the software product itself...