Samsak Ni

Director of Software Engineering @TikTok

Seattle, WA, US

Head of TikTok Global Core Safety EngineeringBuilding TikTok into the most trusted platform for people to safely discover, create, and connect.1. Lead TikTok’s global Trust & Safety engineering strategy and execution, covering policy enforcement, risk governance, content understanding, and moderation platforms to ensure user safety and platform integrity at scale.2. Manage a 100+ distributed engineering team across Seattle, San Jose, Beijing, and Shanghai, driving strong execution and organizational leadership across time zones.3. Own the end-to-end moderation architecture, including reviewer tools, rules engines, model inference, data pipelines, quality evaluation, and experimentation platforms, ensuring reliability and scalability of global moderation workflows.4. Drive the evolution from traditional moderation systems to agentic moderation, building AI agents for automated review, policy reasoning, safety analysis, investigation, and workflow optimization.5. Develop agent-based capabilities for system operations, risk analysis, strategy optimization, and model training/evaluation, improving moderation quality, efficiency, and iteration speed.6. Deliver reusable safety platform capabilities for ByteDance’s emerging products, enabling a “one platform, multiple products” strategy.7. Lead multimodal and generative AI safety across areas such as child safety, hate and harassment, scams, misinformation, and IP/brand protection.

Zhejiang University

Master's Degree, Computer Science