Research Engineer, Global E-commerce

TikTok is the leading destination for short-form mobile video, and they are seeking a Research Engineer to enhance their e-commerce experience through AI-generated content. The role involves developing and optimizing video generation models and integrating various media types to improve user engagement and product discovery.

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, prompt adherence, and cross-modal consistency