Product Data Scientist - Applied AI

Overview Applied AI Data Scientist role at the Applied AI team, focusing on the intersection of data science, algorithm innovation, and content ecosystem research. Collaborate with product and algorithm teams to identify actionable insights and build scalable solutions that improve user experience, strengthen content integrity, and support strategic decision-making. Responsibilities Apply data science methods and statistical theory to analyze the content ecosystem and recommend strategies for improvement. Design and define core KPI metrics that measure the health, stability, and fairness of content systems; evaluate trade-offs across different strategies or product interventions. Use statistical sampling methods to determine appropriate sample sizes and ensure core metric robustness. Build frameworks to assess multi-business content flows, balancing risks from negative content while promoting positive content signals. Conduct quantitative research using causal inference, statistical modeling, and experimentation to detect risks and opportunities in the content ecosystem and propose strategic improvement plans supported by unbiased data-driven indicators. Qualifications Minimum Qualifications: Advanced degree (Master's or Ph.D.) in Statistics, Computer Science, Applied Mathematics, Data Science, or a related quantitative field. Strong foundation in statistics and A/B testing methodologies, including sampling theory and experimental design of unbiased metrics for business decision-making. Skilled in key data science tools and techniques, including machine learning models, causal inference, prediction, and optimization. Proficient in SQL and at least one programming language for data analysis (e.g., Python). Demonstrated structured thinking and product intuition, with the ability to translate analytical insights into business decisions. Based on data science methods and statistical theory, collaborate with TikTok content ecology related products and algorithm teams to explore ways to improve user experience. Strong problem-solving capabilities, with a track record of working effectively in fast-paced and cross-functional global teams with excellent communication and collaboration skills. Preferred Qualifications: 1-3 years of industry experience in data modeling/analysis and advanced degree in quantitative discipline. Experience with prompt engineering, large language models (LLMs), and emerging AI methods is a plus. Experience in data project management, and solid foundations of maths and algorithms. Excellent communication in English, with the ability to quickly respond to complex projects in collaboration with global stakeholder teams. About TikTok TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. We have global offices and operations across multiple regions. Trust & Safety TikTok recognises that keeping our platform safe can be demanding. We are committed to the wellbeing of all our employees and provide comprehensive programs to support physical and mental wellbeing. We work with employees and across functions to ensure a person-centred, innovative and integrated approach. J-18808-Ljbffr

Location: Singapore, Singapore, SG

Posted Date: 9/17/2025