Conway's law says that your design will reflect your communications structure. Front and back end teams will produce front and back end systems. B2B and B2C tea

Conway's law says that your design will reflect your communications structure. Front and back end teams will produce front and back end systems. B2B and B2C teams will produce B2B and B2C systems. People have different skills and interests, so even a 100% "full stack" team tends to develop unofficial silos unless management prevents it.