Research Engineer, Global E-commerce

Job description

The e-commerce industry has seen tremendous growth in recent years and has become a hotly contested space amongst leading internet companies. With millions of loyal users globally, we believe TikTok is an ideal platform to deliver a brand new and better e-commerce experience to our users. Our AI Innovation team is dedicated to building next-generation e-commerce experiences powered by AIGC and agentic shopping systems. We explore how AI-generated content and intelligent agents can meaningfully enhance user experiences and reshape the way people discover, evaluate, and purchase products. Responsibilities: - Develop and optimize AIGC video generation models, with a focus on multimodal post-training for e-commerce short-video scenarios. - Design and implement post-training approaches that integrate text, image, video, and product metadata to improve controllability, visual fidelity, and semantic alignment. - Design and optimize training strategies, loss functions, and evaluation protocols for video generation models, balancing generation quality, robustness, and inference efficiency. - Improve video generation performance in key dimensions such as motion realism, identity preservation...