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AI搜索/Agent算法工程师-抖音电商

上海💼 Full-time🗓 2026-09-28

Core

Design and optimize AI search and recommendation engines for Douyin E-commerce, integrating LLMs, machine learning, and reinforcement learning to enhance query understanding, relevance, and agent capabilities for product and video search.

Role type

Senior IC AI Search/Agent Algorithm Engineer

Builds

AI search/recommendation systems, LLM-based search summary/answer agents, and multi-modal search solutions for e-commerce influencers.

Domain

E-commerce, Large Language Models, Search, Reinforcement Learning

Deliverable

production ML models

Required skills

Machine learning/deep learning algorithms, LLMs and Agent technologies, Prompt engineering, RAG, Alignment training (SFT, RLHF, DPO), System optimization, Multi-modal understanding, Tool calling, Planning and multi-step reasoning, Long context understanding, Cross-document fusion, Evaluation system construction

Preferred skills

Publications or open-source contributions in LLM/Search/Agent, Practical experience in Agent and RAG deployment

Technologies

LLM, RAG, SFT, RLHF, DPO, Reinforcement Learning, Multi-modal models

Responsibilities

Explore integration of search/recommendation engines with LLMs and advanced ML techniques; Develop LLM-based agents for search summarization and Q&A; Build data loops and evaluation frameworks for model training and optimization; Enhance e-commerce influencer experience in product and video search using multi-modal capabilities.

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