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大模型应用开发工程师-抖音生态与运营

北京💼 Full-time🗓 2026-09-28

Core

Design and implement intelligent assistants based on Large Language Models (LLMs) to enhance content creation efficiency and quality for creators.

Role type

Senior LLM Application Engineer (RAG, Agent, Fine-tuning)

Builds

Intelligent assistants, RAG applications, and specialized LLM models for business scenarios

Domain

Social media ecosystem (Douyin) + Generative AI

Deliverable

production ML models

Required skills

LLM application development, Prompt engineering, RAG system development, Agent system research (ReAct, Multi-Agent), Model fine-tuning (LoRA, QLoRA), Alignment techniques (DPO, GRPO, RLHF), Data analysis

Preferred skills

LangChain, LangGraph, RLHF practical experience

Technologies

LLMs, RAG, ReAct, Multi-Agent, LoRA, QLoRA, DPO, GRPO, RLHF, LangChain, LangGraph

Responsibilities

Design and implement LLM-based intelligent assistants; Optimize prompts for product requirements; Build and optimize knowledge bases for RAG; Research and develop Agent systems for complex scenarios; Monitor and iterate model performance; Conduct domain adaptation and customized training for LLMs

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