Essential requirements: Android application architecture, weak network acceleration, link optimization, and at least 100000 level DAUs. Practical experience in projects such as power consumption/lag/monitoring, memory optimization, UI rendering acceleration, high-frequency streaming, network optimization, and going global. Job responsibilities: * Android application development, architecture, technology selection, performance problem solving and optimization * Android team department management, progress tracking, quality control, personnel assessment * Android business code optimization, UI rendering optimization, business solution development * New technology research, continuous maintenance and upgrade of product Android * Cooperate with other departments such as the market to provide product related technical support