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Senior Back-end Engineer (Transportation Systems)

Seoul, South Korea Job ID: 2024709


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 2024709 Date posted  02/26/2020 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: 

Shipment Authority Tribe 위한 Senior Software Engineer로서 3P, 로켓배송을 포함하여 쿠팡에서 판매되는 모든 배송 상품의 흐름을 제어하고 관장합니다. 쿠팡을 이용하는 모든 고객에게 일관된 좋은 배송 경험을 전달하는 역할을 담당합니다. 

  • Delivery / Return workflow 제어와 Transportation Systems  Gateway 역할을 함
  • Delivery / Return Idempotence(중복유실 방지) 보장함
  • Delivery Experience 제공을 위한 고객 커뮤니케이션 담당


업무 내용: 

Senior Software Engineer 대용량 서비스 데이터 플랫폼의 확장성과 안정성을 유지할  있도록 관리합니다또한 지속적으로 변화하는 성장에 대응하여 99.99% 높은 서비스 가용성을 보장하는 솔루션을 개발합니다. 

  • Sub Domain 분리  서비스의 Simplify 통한 서비스 안정 
  • Data Shading  리디자인  대용량 데이터의 핸들링과 API latency  
  • Kafka  비동기 처리를 통한 performance 향상 (Eventually consistency) 
  • Spark, Hive 도입 통한 Dynamic Forecast 구현  정확도  


자격 요건:  

  • 엔터프라이즈 시스템(enterprise system) 구축을 위한 소프트웨어 개발 경력 5 이상인  
  • Java 또는 기타 고급 언어를 사용하는 설계/코딩에 대한 견고한 기반이 있는  
  • 비즈니스를 능동적으로 해석하고 주도적으로 개발을 leading  있는  



  • 대용량 데이터  트래픽 처리에 대한 소프트웨어 설계  개발 경력이 있는  
  • 대규모 데이터 처리 기술 활용 경험 (EMR/Hadoop/Spark/kafka  있는  
  • 문제해결  심도 있게 데이터 분석하고자 하는 열정이 있는  


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.  


Career Path

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


QA Mock System

The biggest challenge and goal for Quality Assurance (QA) testers is to conduct a final test for a product thoroughly to enable a smooth release of the product in terms of both quality and quantity. Then, what type of test is employed? There are various types of testing; functional test, interface test, performance test, and etc. For any test, what is most critical is data. Without sufficient test data, it is unlikely to ensure high coverage and quality of the product. QA testers are all well aware of this. Then, how can QA testers enrich, create and manage test data efficiently?

Evolving the Coupang Data Platform

Coupang is revolutionizing e-Commerce market of South Korea with last-mile delivery and rethinking discovery of products on mobile first platform. Our mission is to create a world in which Customers ask, “How did I ever live without Coupang?”

Being a data driven company, we rely heavily on data decisions right from customer journey to the best algorithm to optimize space in a fulfillment center. We use data to find bottlenecks at each step of the process and move faster as a company. To keep up with the constant demand for excellence in scale, availability, latency, concurrency, and fast data growth, we must constantly evolve our Data Platform.

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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