CareerPlan

AI搜索算法工程师(国际化) - TikTok算法

北京Full-time2026-10-15 → 2026-11-11

Core

Building and optimizing AI search algorithms for TikTok's global video search product, integrating Large Language Models (LLM) to enhance user query understanding and result generation.

Role type

Senior IC machine-learning engineer (AI search)

Builds

AI search infrastructure, RAG retrieval systems, and LLM-based answer generation for video search

Domain

Social media, video content, AI search, Large Language Models (LLM)

Deliverable

production ML models

Required skills

LLM training and optimization, RAG algorithms, semantic analysis, multi-modal model development, C++ or Python, algorithm design

Preferred skills

ACM/ICPC or Kaggle competition awards, experience with Agentic RL or Multi-Agent systems, experience with loop engineering

Technologies

LLM, RAG, SFT, RLHF, Prompt engineering, C++, Python

Responsibilities

Build high-quality datasets for search models, optimize retrieval and ranking algorithms, integrate LLMs into video search systems, collaborate on product innovation

Seniority

Senior, hands-on IC