This course allows students to explore principles, techniques, architectures, and enabling technologies for the development of the different components and layers of complex SaaS systems. In particular, it discusses the processes related to (1) building a large enterprise system in collaboration with other project members, (2) developing software in a culture of participation, (3) developing software using agile software engineering methodologies, (4) integrating a number of separate components to build an integrated system, and (5) developing appropriate testing strategies and methodologies for given projects.