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