Machine Learning Researcher-Search
Core
Research and development of cutting-edge machine learning algorithms and architectures for end-to-end search modeling, focusing on personalized ranking, ultra-large-scale retrieval, and complex query understanding for video and e-commerce products.
Role type
Senior IC machine learning researcher (search & recommendation)
Builds
High-performance, low-latency search recommendation systems and distributed ML infrastructure for Douyin, Toutiao, and Xigua Video.
Domain
Internet / Search & Recommendation / NLP & Computer Vision
Deliverable
production ML models
Required skills
Deep learning, Natural Language Processing (NLP), Computer Vision (CV), Large Language Models (LLMs), Generative retrieval algorithms, Distributed systems, C/C++, Python
Preferred skills
PhD in AI/CS/NLP/CV, Published papers at top AI conferences, Experience with large-scale offline computing and online service optimization
Technologies
LLMs, Deep learning frameworks, Distributed computing systems, Index compression, Multimodal models
Responsibilities
Research and innovate large-scale generative retrieval algorithms for candidate libraries with hundreds of billions of entries; Explore integration of large models with ranking algorithms to improve personalized search accuracy; Develop high-performance batch-stream integrated retrieval and computing systems; Conduct research on cross-modal matching and complex query understanding using LLMs.
Seniority
Senior, hands-on IC
