LLM/Multimodal AI Engineer Intern (TikTok Search) - 2027 Start
Core
Building AI Search Agent components and LLM-based query understanding for TikTok's search engine.
Role type
Intern, LLM/Multimodal AI Engineer
Builds
AI Search Agent components, LLM pipelines, multimodal search features
Domain
Search, Information Retrieval, NLP, Computer Vision, Multimodal AI
Deliverable
production ML models
Required skills
Python or C++, algorithms and data structures, machine learning fundamentals, LLM fundamentals (prompt engineering, SFT, RAG), analytical problem-solving
Preferred skills
LLM/Agent research or project experience, RAG optimization, SFT/RLHF experiments, Agent framework development, search/recommendation system experience
Technologies
LLMs, RAG, Agent frameworks, NLP, CV
Responsibilities
Develop AI Search Agent components (planning, memory, tool-use), support LLM query understanding (intent analysis, prompt optimization), assist in LLM adaptation experiments (fine-tuning, RL feedback), contribute to multimodal search (visual learning, video understanding), optimize RAG and LLM pipelines, prototype and validate algorithm modules
Seniority
Intern