Machine Learning Engineer (AI Search ), TikTok Search
Core
Build AI Search Agents and enhance LLM-based query understanding for TikTok Search using RAG, reinforcement learning, and automated decision-making.
Role type
Senior IC machine-learning engineer (AI Search & LLM Agents)
Builds
AI Search Agents, LLM-powered question-answer cards, TikTok official AI assistant
Domain
Consumer social media, Large Language Models, Search
Deliverable
production ML models
Required skills
C++, Python, algorithms and data structures, LLM fundamentals, reinforcement learning, knowledge representation, automated decision-making
Preferred skills
RAG optimization, RLHF/SFT, Agent framework development, multi-turn conversation processing
Technologies
LLM ChatBot, RAG, fine-tuning, inference optimization
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