数据科学家（多媒体性能）-TikTok
Core
Build end-to-end performance and experience metrics for video-on-demand, live streaming, and image services; design dashboards and ensure data quality.
Role type
Senior data scientist (multimedia performance)
Builds
Data dashboards, performance monitoring systems, causal inference models, and automated analysis tools
Domain
Multimedia streaming, video-on-demand, live streaming
Deliverable
dashboards & analysis
Required skills
SQL, Python, causal inference, A/B testing design, statistical analysis, data mining, big data frameworks (Hive)
Preferred skills
Experience with QoS/QoE modeling, automated experiment evaluation, cross-functional collaboration
Technologies
Hive, SQL, Python
Responsibilities
Design and build performance metrics and dashboards; perform root cause analysis on data anomalies; evaluate technical optimization strategies using causal inference; develop automated analysis tools; collaborate with product and engineering teams to resolve online issues.
