Staff Research Engineer, LLM - TikTok Ads Core ML, Ranking

TikTok is seeking a Staff Research Engineer for its Ads Core ML Ranking team. The role focuses on improving advertising delivery efficiency and revenue growth by applying advanced machine learning, ranking, recommendation, and LLM-based methods across the ad funnel, while collaborating with global product and business teams.

Responsibilities:

• Spearhead the development of a global advanced advertising delivery system by integrating cutting-edge technologies and research, including ML/DL, Reinforcement Learning, LLM, and scaling laws, within complex monetization scenarios
• Optimize efficiency across the entire advertising funnel, covering Recall & Rough-sort, Fine-sort (CTR/CVR), format/creative personalization, and system resource allocation
• Lead strategic initiatives and drive key projects by leveraging deep business acumen in monetization, ranking, search, and recommendation, ensuring precise technical decision-making
• Establish and refine system frameworks and standards, continuously enhancing efficiency to meet diverse vertical business needs
• Collaborate with product and business teams across global markets to maximize impact