Uber Technologies Inc. is cutting about 3,300 roles, or 10% of its staff globally, in a massive restructuring aimed at reducing management layers and reallocating spending into its ride-sharing, delivery and robotaxi businesses. Chief Executive Officer Dara Khosrowshahi announced the changes in an email obtained by Bloomberg News, saying that Uber’s growth in recent years has created “more layers, more coordination, more fragmented ownership, and in some cases structures that made sense when bus...