Shuhui Lin

Master's

Computer Science

Bytedance

Data Engineer Intern

•Worked in data platform team and collaborated with the international growth team, focusing on KPIs such as user retention rate and user conversion rate for new features to ensure a high growth rate of TikTok. • Built and maintained a terabyte-scale user data analytics workflow with SparkSQL, collaborating with machine learning engineer, maintaining Hive tables and supporting a streaming data pipeline for offline deep learning model training. • Developed Python programs for automatically generating SQL to improve the efficiency of data team . • Responsible for Spark tuning, improved computing efficiency by setting appropriate cluster parallelism, optimizing memory usage, adjusting the logic in data pipelines and eliminating data skew.