Research Engineer (AI Infrastructure) - Large Model Applications - Global Frontier Tech Recruitment Program - 2027 Start (PhD)

Design and develop TikTok’s recommendation and search system architecture, focusing on large-model infrastructure for scalable, low-latency search, advertising, and recommendation. Tackle distributed training and inference acceleration, heterogeneous hardware utilization, and multimodal data processing. Drive end-to-end generative paradigm innovations and build robust pipelines for multimodal representation and RAG-based applications, improving performance, stability, and cost efficiency.