ML Researcher — Large-Scale Multimodal Retrieval & Ranking

TikTok is seeking a highly qualified researcher to advance search algorithm innovation and R&D across products like Douyin and Toutiao. You will explore NLP, cross-modal retrieval, and large-scale ML architectures to improve personalized ranking and recall. This role requires a PhD and strong ML fundamentals, with a passion for cutting-edge AI development. You will contribute to data-scale architectures, training regimes, and efficient inference while collaborating with a global team to push th…