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Sr. Front-end Engineer (Coupang Media Group Tech)

Seoul, South Korea Job ID: 2179790


We are looking for people who are passionate about solving complex real-world problems, building world-class solutions, and benefitting millions of lives. At Coupang, developers learn from one another—we share knowledge and spur each other on to come up with great ideas—and move extremely fast to create profound impact together. You will also have the opportunity to tackle large-scale challenges that arise as we grow. This includes building in-house technology, innovating mobile architecture, and advancing possibilities with machine learning and deep learning. With you, we will build a world where our customers ask, “How did we ever live without Coupang?”

Success Profile

  • Team Player
  • Adaptable
  • Inventive
  • Self-starter
  • Problem Solver
  • Goal-oriented
  • Quick-thinking


Job ID 2179790 Date posted  05/15/2020 Location Seoul, South Korea

쿠팡은  세계에서  가장  빠르고  크게  성장하는  Ecommerce  기업 입니다.  우리는 고객, 직원, 파트너 그리고 우리를 둘러싼 모든 사람들의 일상을 어떻게 혁신 할 수 있을 지 매 순간 고민합니다. 우리는 아직 아무도 풀지 못한 문제를 해결함으로써 사람들이 이렇게 묻는 세상을 만들고자 합니다. “쿠팡 없이 어떻게 살았을까?” 쿠팡은 서울뿐만 아니라 베이징, LA, 시애틀, 상하이와 실리콘밸리 등에 오피스를 두고 있는 글로벌 기업입니다. 


직무 소개: 

쿠팡의 광고 플랫폼에 큰 영향력이 있는 확장 가능 솔루션 개발을 담당할 Sr. Front-end Engineer를 찾습니다. 자기 동기부여가 뛰어나고 결과를 중시하며, 뛰어난 프로그래밍 스킬 및 경험과 최상의 소프트웨어 툴 (best-of-breed), 기술 및 경험이 있는 분들의 지원을 기다립니다.

주요 업무: 

  • 비즈니스가 원하는 결과물을 기술적 솔루션으로 해석해 운영 및 비즈니스의 니즈를 충족시킨다.
  • 애플리케이션 시스템의 코딩, 테스트, 디버깅을 수행하며 소스 코드 제어 시스템 및 애플리케이션 소프트웨어 버저닝을 유지보수한다.
  • 조직에 솔루션 제공 및 플랫폼 전반의 가치제안 및 효율을 개선한다.
  • 개발, 개선 및 테스트 프로젝트의 요구사항 및 프로세스, 절차를 정의한다.
  • 타 엔지니어를 교육 및 멘토링할 수 있는 지식 및 능력을 갖춘다.

자격 요건:

  • Computer Science/Engineering 관련 전공분야의 BA/BS 학위
  • 장애 허용 및 모니터링 기능이 있는 프론트 엔드, 대규모 운영시스템 개발 및 설계 경험 5년 이상
  • 웹 기반 상품 및 API 개발에 대한 높은 이해
  • WebKit, HTML5, CSS3, Javascript (한 개 이상의 node.js, react,js, 또는 express.js) 능숙
  • 사용성, Lean UX 설계, 개념적 모델링, 트렌드에 대한 뛰어난 지식
  • 단위/사용자 테스트 및 반복설계/인터랙션 설계 경험

우대 사항:

  • 데이터베이스 시스템, 데이터 웨어하우징 개념에 대한 높은 이해
  • 확장성이 매우 높은 클라우드 기반 소프트웨어 및 배포
  • 웹서비스/ API 설계 능숙
  • 애자일 소프트웨어 개발
  • 마이크로서비스 아키텍쳐
  • SQL, NoSQL, Kafka, Redis, Hive, Hadoop, Spark
  • 아마존 웹 서비스, 분산 시스템, 서비스 기반/메시지 기반 아키텍쳐
  • WebKit, HTML5, CSS3, Javascript, Node.js, React,js, Express.js
  • 모바일 개발 경험 (iOS, 안드로이드)



전형 절차 및 기타사항  

  1. 전형절차: 서류전형 - 전화면접 - 대면면접 - 최종합격  (전형절차는 직무별로 다르게 운영될 수 있으며, 일정 및 상황에 따라 변동될 수 있습니다.) 
  2. 기타사항:

a. 본 공고는 모집 완료 시 조기마감 될 수 있습니다.  

b. 지원서 내용 중 허위사실이 있는 경우에는 합격이 취소될 수 있습니다. 

c. 보훈대상자 및 장애인 여부는 채용과정에서 어떠한 불이익도 미치지 않습니다. 

d. 전형일정 및 결과는 지원서에 등록하신 이메일로 개별 안내 드립니다.  



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. 

Job Overview:

You will be responsible for development of scalable solutions that significantly impact Coupang’s advertising platform. You must be self-motivated, result-oriented with strong programming skills and experience, and have experience using best-of-breed tools, technologies, and practice.


  • Translate the desired business outcome to technical solutions that meet operational and business needs
  • Code, test, and debug application systems while maintaining source code control system and application software versioning.
  • Bring solutions to the organization and improve the value proposition and efficiency of the overall platform
  • Define requirements, processes, and procedure for development, enhancement, and tests projects
  • Have knowledge of and ability to teach and mentor other engineers


  • BA/BS degree in Computer Science/Engineering or related fields
  • Experience of 5+ years in front-end, high-scale production systems with fault-tolerance and monitoring
  • Strong understanding of Web-based product and API development
  • Proficiency in WebKit, HTML5, CSS3, and Javascript (with one or more of node.js, react,js, or express.js)
  • Excellent knowledge in usability, lean UX design, conceptual modeling, and current trends
  • Experience in unit/user testing, and iterative/interaction design


  • Experience in the advertising and/or eCommerce domains
  • Strong knowledge of database systems, data warehousing concepts
  • Highly scalable cloud-based software and deployments
  • Proficiency in web services / API design
  • Agile software development
  • Microservice architecture
  • SQL, NoSQL, Kafka, Redis, Hive, Hadoop, Spark
  • Amazon Web Services, Distributed systems, Service-oriented / Message-oriented architecture
  • Mobile development experience (iOS, Android)


Recruitment Process and Others

1. Recruitment Process: Application Review - Phone Interview - Onsite Interview - Offer  
(The recruitment process may be different depending on the job and may be changed due to scheduling and circumstances.)
2. Others:
a. This job post may be closed early if all openings are filled.   
b. If there is any false information in the application, the offer may be cancelled.
c. Veteran status or disability will not result in any disadvantages in the recruitment process.
d. Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.


Career Path

  • Senior Software Engineer
  • Software Engineering Manager
  • Technical Program Manager
  • Product Manager (Product Owner)
  • Tech Recruiter


Benefits and Rewards

  • Flex Time

  • Open Culture

  • Team Outings

  • Collaboration

  • International Interaction

Our mission is global

Coupang is a global business with offices in Seoul, Shanghai, Beijing, Silicon Valley, Seattle and Los Angeles.

Seoul, Korea

Our Korea office is located in downtown Seoul near Lotte World Hotel and Lotte World Mall.

Shanghai, China

Our office in Shanghai is conveniently situated near to restaurants and gyms, as well as to the Evergreen Hotel and the Chamtime Square Shopping Mall.

Beijing, China

Our Beijing office is located in One Indigo, a Grade A-listed office tower. From our space on the 12th floor, you can take in expansive views of Indigo Park, the Ba River and the Beijing skyline. We are conveniently situated a few steps away from the Indigo Shopping Mall, and parking is easily available.

Mountain View, United States

Our Mountain View office is located in the Silicon Valley area across from the NASA Ames Research and Visitor Center.

Seattle, United States

Our Seattle office can be found in the heart of downtown Seattle near restaurants and tourist attractions such as the Pike Place Market.

Los Angeles, United States

Our office in Los Angeles is located in the Riverside area right next to the Sycamore Canyon Wilderness Park.

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