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Director of Engineering,Coupang Ads

Seattle, United States

1899816 Oct. 14, 2019 eCommerce

Coupang is one of the largest and fastest growing e-commerce platforms on the planet. We are on a mission to revolutionize everyday lives for our customers, employees and partners. We solve problems no one has solved before to create a world where people ask, “How did we ever live without Coupang?” Coupang is a global company with offices in Beijing, Los Angeles, Seattle, Seoul, Shanghai, and Silicon Valley.  

As our  engineering manager/leader, for Coupang Media Group, you will be responsible for leading, building, developing, designing the new features for our advertising platform.

The Coupang Media Group (CMG) is responsible for providing vendors that sell their products on Coupang a host of marketing products and services.  We launched Product Ads which is a bidded performance advertising marketplace late in 2018.  We have grown rapidly to over 10,000 active advertisers and 150M daily ad impressions in only 5 months’ time. Our group is responsible for advertising brands and products inside our ecommerce website. To get an idea of how valuable that is, both Alibaba and Amazon make more money on advertising than on selling products. 

This is an opportunity to be part of building up a new development organization with strong revenue potential inside a successful company. We’re building full-stack engineering teams to handle large scale advertising problems, including real-time behavioral targeting, auctioning and bidding systems and search based advertising, display advertising products, attribution and reporting.

We are in the growth phase of the organization, so you’ll be a part of managing the transition from growth phase to enterprise processes. We’re looking for experienced hands-on leaders that care about their team members and about helping team members reach their full potential. Software Engineering Managers are clearly characterized by progressive technical experience and demonstrated progression in management responsibility. You have also kept your coding skills sharp and bring an unwavering passion for managing the dynamics of a fast-paced environment.


Key Responsibilities:

  • Effectively build, lead and mentor the team of software engineers
  • Develop and maintain a long-term vision and technical roadmap for the Coupang Ads  Platform.
  • Participate in and lead design and architecture reviews, handle production incidents, coding, run code reviews and delivery high quality  products
  • Be both a highly technical, hands-on coder and effective people manager
  • Implement , high scale  production systems with  fault tolerance and monitoring
  • Ability to clearly and concisely communicate with technical and non- technical stake holders across all levels of the organization
  • Ability to deal with ambiguity in business and technology


  • Strong technical background with 7+ years of relevant experience in technical development and 2+ years of technical leadership role developing high-performing teams
  • Hands on leader with great people skills
  • 4+ years coding in one of the following languages: Java, or JavaScript /Node.js, Scala
  • Work on large scale  systems, backend services, full stack and product integration
  • Experience working with big data , distributed systems, batch and streaming  applications
  • Self-starter and innovator who likes to solve complex problems
  • Proven track record of taking ownership and successfully delivering results
  • Ability to clearly and concisely communicate with technical and non-technical stakeholders across all levels of the organization
  • Ability to deal with ambiguity in business and technology
  • Ability to work in multi-cultural, cross functional team
  • Bachelor’s in computer science, engineering, mathematics or equivalent


  • Experience with advertising systems
  • Full-stack engineering experience
  • Understanding of performance tradeoffs, load balancing and operational issues
  • Experience with service-oriented architecture and web application/services development
  • Experience working with AWS (Amazon web services)
  • Bilingual in Korean and English
  • Experience working in startups
  •  Experience in Machine learning, Elasticsearch 




Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or a reasonable accommodation in the application or recruiting process due to a disability, please contact us at

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