Frontend: Beautiful sunny meadow, parent playfully lifting child, everything is perfect and serene. Backend: LITERAL APOCALYPSE. Same parent, same child, but now there's explosions, destruction, and the parent has transformed into a sleep-deprived monster just trying to keep everything from collapsing. When companies advertise "fullstack developer," they really mean "we want you to make pretty buttons AND prevent our entire infrastructure from imploding simultaneously." It's like asking someone to be both a wedding photographer and a bomb disposal technician. Sure, technically possible, but one job involves making things look nice and the other involves screaming internally while cutting wires.