Leasing Assistant. The Shoreline Corporation has an opening at. Piano Craft Guild. apartments for a full-time. Leasing Assistant. We are hiring a Leasing Assistant to join our team and elevate our leasing and marketing efforts. Piano Craft is managed by The Shoreline Corporation which is a Cambridge, MA based property management firm. Piano Craft Guild is a lively apartment building located in the the heart of the South End. We offer an enjoyable...