大模型对话算法工程师-电商业务
Core
Building and optimizing large-scale conversational AI systems for e-commerce scenarios including customer service, merchant support, influencer assistance, and intelligent shopping guidance.
Role type
Senior IC large model algorithm engineer (e-commerce)
Builds
Production-ready conversational AI solutions serving hundreds of millions of daily active users across the Douyin e-commerce ecosystem.
Domain
E-commerce, Large Language Models (LLMs), Conversational AI
Deliverable
production ML models
Required skills
Large model training (CT, SFT, RL), Prompt engineering, Information retrieval (Query understanding, Semantic indexing, RAG), Dataset construction, Model evaluation, Reinforcement learning for user growth, C++/Java/Go/Python
Preferred skills
Complex agent system deployment, High-level paper publications (ACL, EMNLP, etc.), Competitive programming awards (ACM, Kaggle)
Technologies
COT, Agent frameworks, RAG, Semantic indexing
Responsibilities
Construct and maintain domain knowledge and training data; Perform continued pre-training, SFT, and RL for vertical domain adaptation; Develop and optimize query understanding and relevance ranking; Establish comprehensive model evaluation frameworks; Optimize dialogue strategies to improve user retention and repurchase rates; Define technical solutions to resolve complex business pain points.
