Big Data Engineer, TikTok Ecommerce Recommendation Infrastructure

Build and optimize infrastructure for large-scale e-commerce recommendation systems, enabling stable online services and high-performance offline data flows. Own offline data architecture, scalable storage and computing systems, and production troubleshooting to maintain reliability and availability. Develop distributed systems for massive data, and create analytics applications that turn structured and unstructured datasets into insights using data mining, modeling, NLP, and machine learning.