Big Data Engineer, TikTok Recommendation Architecture

Build and optimize recommendation system architecture for TikTok, focusing on stable, high-availability online services and efficient offline data flows. Design scalable storage and computing systems, troubleshoot production bottlenecks, and implement mechanisms to ensure operational stability. Develop distributed infrastructure for massive data and large-scale business systems, and create analytics and data mining pipelines using machine learning and natural language processing to transform raw data into actionable insights.