Staff Back-end Engineer [L6-1] (NCA Services)
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
- 参与 NCA 广告核心系统(出价、排序、serving)的架构设计与迭代优化,推动系统从规则驱动向模型驱动演进
- 设计并构建支撑 AI 模型训练与评估的基础设施,包括数据生成、仿真环境和实验框架
- 主导关键 AI/ML 系统的端到端交付,涵盖离线训练、在线服务、A/B 实验及效果评估全链路
- 推动广告系统核心模块(出价、排序、serving)的系统性 AI-first 改造,所构建的能力具备向其他产品线扩展的潜力
Basic Qualifications
- 计算机、数学、统计等相关专业背景,有扎实的理论基础
- 思维严谨,有独立从问题定义到业务结果落地的完整交付能力
- 对 AI/ML 技术有持续的好奇心和快速学习能力
- 能够熟练使用 AI 编程工具(如 Cursor、Copilot、Claude Code 等)提升开发效率,具备评估和审查 AI 生成代码质量的能力
- 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
- 有广告系统或推荐系统相关经验者优先
- 熟悉主流深度学习框架,理解 CTR/CVR 预估、排序等广告 ML 模型的训练与部署原理
- 具备低延迟在线推理系统的设计与优化经验
Preferred Qualifications
- 有广告出价、预算优化或 ROAS 相关项目经验
- 有跨团队技术方案主导经验,能够推动复杂依赖项目落地
Privacy Notice
- Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below:
Skills
As published by greenhouse · 17 questions
Basics
First Name, Last Name, Email, Phone, Resume/CV, Cover Letter, Location
Short answers (4)
- LinkedIn Profile optional
- - Name of Relative(s) 亲属姓名: optional
- - Relationship 与您的关系: optional
- - Working Org / Team 组织/团队: optional
Pick from a list (13)
- Coupang China * does not collect or use any personal information other than the types of information specified in this Consent. Please ensure that your resume does not include any personal information other than the types specified in this Consent.
- 1. (Required) Name, contact information, email address, nationality, educational background, work experience, qualifications, national merit status (for special hiring program applicants only), relative’s name/relationship/team, and application history are collected and used for the following purposes: (i) to verify the applicant’s identity and qualifications, (ii) background and reference checks, (iii) for job application, (iv) to check application records and whether the applicant passed the hiring process, (v) to communicate with the applicant, (vi) to respond to requests and inquiries regarding hiring process, and vii) to prevent unfair hiring. Collected personal information are retained for 3 years from the notification of hiring result, and then deleted without delay. You may refuse to provide consent, but such refusal may prevent you from applying.
- 2. (Optional) If you agree, the above information will also be collected and used for the purpose of year-round hiring, or provided to one or more of the following entities other than the one applicant applied for, including Coupang affiliate or subsidiary company* for the purpose of considering hiring for other similar positions. In this case, collected personal information are retained for 5 years, and then deleted without delay. You may refuse to provide consent, but such refusal may prevent the year-round hiring from progressing normally or may result in the restriction of opportunities in the hiring process of companies other than the one you applied.
- 3. (Optional) As stated in #2, I agree to provide my personal information to Coupang affiliate or subsidiary company* for the purpose of considering hiring for other similar positions.
- 4. (Optional) Coupang affiliate or subsidiary company* will send recruitment notifications through transmission media such as phone, email, and SMS using the contact information and email address based on the consent provided by you.
- 5. (Required) If you consent to the above provision of the collected information to Coupang affiliate or subsidiary company for the purpose of considering hiring for other similar positions, your collected information will be transferred to whichever Coupang affiliate or subsidiary company* that the applicant applied to for the recruitment procedure, and the applicant’s information may be transferred overseas in the process. The personal information is transmitted using a secure method and is retained for the retention period specified in the required consent #1 in this form. If you wish to exercise any of your rights concerning your personal information based on the relevant law, you may make a request through the contact information at the end of this Consent. You have the right to refuse to provide consent, but refusal may prevent you from applying.
- 6. (Required) Name, email address, position the applicant applied for, the entity the applicant applied to and nationality are provided to RISQ Group Consulting (Beijing) Co., Ltd. for the purpose of i) education verification, ii) qualification verification, iii) work experience verifications and reference checks, iv) identity verification to check whether the applicant is an internationally sanctioned individual, and v) background check against global media, list of global sanctioned individuals, list of transaction restricted individuals provided by the law enforcement or financial regulator authorities. Personal information is retained until achieving the purpose. You may refuse to provide consent, but such refusal may prevent you from applying.
- 7. (Optional) I consent to reference checks on me within the following scope: Additional reference checks may be conducted on applicants who applied for a job at Coupang China and passed on-site interviews, and Coupang China arranges means to conduct reference checks. Coupang China may collect other personal information about you, including integrity information collected from public sources and the performance evaluation information collected from your former employer or colleagues. Such information may contain sensitive personal information.
- 1. I understand that working with Relatives in the Coupang group of companies (collectively, the "Coupang Group") -- where they can influence each other’s work -- can potentially create conflicts of interest. Therefore, such a situation requires prior approval from the People Operations. In view of the above, I hereby confirm that I DO NOT have any Relatives working in any company within the Coupang Group or serving on the Board of Directors of any company within the Coupang Group;
- 1. Are you currently, or have you been a government official, public servant, or employee of a public institution who may be subject to post‑employment or reemployment restrictions under applicable laws or regulations?
- 2. Do you acknowledge and agree that where required under applicable laws or regulations: optional
- * Coupang China 酷澎中国 optional
- Document Policy