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Senior Software Engineer (Retail Systems)

Seattle, Washington Job ID: 2164929


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 2164929 Date posted  04/23/2020 Location Seattle, United States

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 Senior Software Engineer for Retail Systems, you will be responsible for designing and implementing business automation platforms that are highly valuable to our Retail business. This includes building efficient user interfaces as well as back end services that are low latency and
highly scalable.


Key Responsibilities:

  • Collaborate with and co-work with business teams to find solutions that
    address business goals.
  • Collaborate with UX designer and Product owners to define user interfaces.
  • Design and implement backend components for user interfaces in Java using Spring Framework
  • Write efficient code using RESTful APIs
  • Collaborate with team mates to perform code-reviews and design reviews
  • Monitor production applications and take remedial actions quickly.


  • 4+ years of web development experience as a full stack engineer.
  • Excellent coding skills, with emphasis on object-oriented design, data structures, algorithms, problem solving, refactoring, performance
    improvement and complexity analysis.
  • 2+ years experience with JavaScript UI libraries such as React.js, Angular.js
  • 4+ years experience working in Java or C#.
  • Experience working on cloud platforms like AWS, Azure, Google cloud.
  • Strong understanding with RESTful JSON API design and integration.



  • Experience with design patterns and best coding practices
  • Experience with architecting and coding for cloud-based applications
  • Hands-on expertise in many disparate technologies, ranging from front-end
  • user interfaces through to back-end systems and all points in between


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

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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