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Staff Backend Engineer

Coupang

On-site
Shanghai, China
Full-time
Staff
Salary not listedPosted 1d ago

Real job — pulled straight from Coupang’s careers page · Verified September 28, 2026 · No reposts.

Job description

Coupang is hiring a Staff Backend Engineer — a full-time, based in Shanghai, China role. Apply directly on Coupang's careers page below.

Staff Back-end Engineer (NCA and TW Ads)

Location: Shanghai, China

Department: Marketing System

Company Introduction  

Coupang是全球规模最大、增长速度最快的电商平台之一。我们的使命,是打造一个让顾客不禁发问: “ 过去没有Coupang,我是怎么生活的? ” 的世界。我们正在寻找充满热忱的技术建设者与算法专家,来解决全球化规模下的复杂难题。Coupang的技术与商业创新,已获得《麻省理工科技评论》与《福布斯》的认可。
Coupang是一家全球化企业,在北京、洛杉矶、西雅图、首尔、上海以及硅谷均设有办公室。

 Role Overview  

NCA & TW Ads 广告团队负责Coupang 新用户获取广告, TW 站点广告和其他新型广告产品的开发. 团队拥有全栈的开发运维能力。

 What You Will Do  

除传统规划业务之外,团队自主搭建并运维AI智能体平台, GenAI video creative, Ranking Algo RSI, AI Native SDLC,:

GenAI video creative 系统. 全自动的视频广告创意生成流水线
AIOps 系统:我们的AI 智能故障定位和诊断系统
Ranking algo RSI系统: 自动化的算法改进假设生成, 方案设计, 实验和上线流水线
AI Native SDLC: AI native 的软件开发生命周期管理, 从需求概念到线上发布的软件开发全流程自动化.

  Basic Qualifications  

•有扎实的技术理论基础, 计算机, 数学,物理, 电子等专业优先.
•对新技术有好奇心, 有非常强的学习能力.做事思维缜密, 考虑周全, 有独立解决问题并拿到业务结果的能力.

后端技术方面:
•有扎实的后端分布式服务的开发理论和实践经验. 熟练掌握 •Java/Python,具备大规模分布式系统设计与上线经验;理解异步、并发、幂等、限流等工程基础,对代码质量与系统可维护性有较高要求。

大模型技术方面:
• 熟悉大模型的原理和最新技术, 包括模型网络结构, 注意力机制, MoE等模块的理论和实践
• 熟悉大模型的serving原理和技术.
• 熟悉self-harness的最新方向的实现方法, 有落地经验优先.
• 主导基于 LLM/多模态模型的 Multi-Agent 系统架构设计与核心开发,涵盖长周期托管型 Agent、沙箱执行环境分层上下文管理、持久化存储及 Function Calling 编排等核心工程问题。
• 具备复杂 Agent/RAG 系统从方案设计到线上落地的端到端交付经验。
• 熟悉 Memory、Long Context、Planning、Tool Use 等前沿方向,能快速完成论文到工程的转化落地。
• 熟悉一种以上AI开发框架 包括 LangChain/LangGraph/Deerflow/Claude Code/Hermes 等主流 Agent 框架,具备高并发、高可用的后端架构设计能力。
• 良好的工程架构基本功, 对常见的设计模式有深入的理解, 有一定的开源框架源码能力

  

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Frequently asked questions

What skills are required for Staff Backend Engineer at Coupang?

The required skills for Staff Backend Engineer at Coupang include: Java, Python, LLM, LangChain, RAG.

What is the seniority level for Staff Backend Engineer at Coupang?

Staff Backend Engineer at Coupang is a Staff level position.

How do I apply for Staff Backend Engineer at Coupang?

You can view the full description and apply for Staff Backend Engineer at Coupang on EchoJobs: https://echojobs.io/job/coupang-staff-back-end-engineer-nca-and-tw-ads-dhrs2.