TikTok
Data Scientist - Multimedia
San Jose, California · Full-time · Posted Oct 28, 2026
About the job
Optimizes TikTok’s content-creation experience by measuring user behavior, running experiments, and building data-driven personalization solutions.
What you'll do
- Develop creation-stage experience metrics and monitoring, and define experiment launch standards and iterations.
- Measure how creation-tool performance affects publishing, retention, and engagement; use data mining and models to personalize publishing.
- Partner across teams to implement product solutions and research new methodologies.
What they ask for
- Experience in data science roles; mobile application performance analysis and user experience optimization preferred.
- Experience with creation-oriented user behavior.
- Proficiency in SQL and Python, and experience with big data tools such as Hive or Spark.
- Strong background in A/B testing, metric design, and causal inference.
Nice to have
- Experience in entertainment, streaming, or social applications.
- Experience in a fast-paced environment with rapid product iterations.
Tools
SQL, Python, Hive, Spark
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