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大模型应用后端研发工程师-抖音

北京💼 Full-time🗓 2026-09-28

Core

Design and develop backend systems for safety and intelligent conversation applications using large language models (LLMs), ensuring high stability, performance, and security.

Role type

Senior IC backend engineer (LLM applications)

Builds

Safety/intelligent conversation business systems, LLM infrastructure (PE, RAG, plugins, data systems)

Domain

Internet / Large Language Models / AI Safety

Deliverable

production ML models

Required skills

Golang, Python, C++, Linux, MySQL, caching, ElasticSearch, RPC, message queues, microservices, Kubernetes, LLM application algorithms (SFT, RAG, Agent, PE)

Preferred skills

Langchain, Dify, multimodal LLMs, intelligent agents

Responsibilities

Architect and develop full-stack backend systems for safety and intelligent conversation features; Build and maintain LLM infrastructure components including PE, RAG, and plugin systems; Optimize product experience and R&D efficiency by integrating LLM capabilities into business scenarios; Research and implement cutting-edge LLM technologies and industry trends.

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