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Coupang

Sells goods online with its own overnight delivery

Senior Backend Engineer - CX

Backend EngineeringUpdated on Nov 13
Full-timeSeoul, South KoreaNo salary listedIn-person

About the Job

Requirements

  • A bachelor's degree or higher in a computer science-related field, or equivalent practical experience, and at least 2 years of experience in server applications and systems engineering using a modern programming language.
  • Expertise in building low-latency, high-throughput systems, performance profiling, and optimizing cost-performance trade-offs.
  • Proficiency in backend engineering with at least one of Go, Java, JavaScript, or Node.js.
  • Strong understanding of and practical experience with modern cloud computing environments such as AWS or GCP.
  • Strong verbal and written communication skills.

Responsibilities

  • Lead the design and ownership of architecture roadmaps for live sports and Discover APIs.
  • Develop, operate, and continuously improve core Coupang Play backend systems with high availability and scalability.
  • Develop scalable, low-latency technical solutions that meet product requirements from the product owner.
  • Coordinate technical solutions with cross-functional stakeholders to meet business goals and compliance requirements.
  • Adopt and use AI technologies to automate work and improve development productivity and quality.

Desired Qualifications

  • Commercial experience building and operating video streaming services and related data systems.
  • Collaborate with iOS and Android developers to integrate mobile applications with APIs and proactively resolve integration issues.
  • Experience using and operating GraphQL.
  • Ability to communicate effectively in English in business settings, both verbally and in writing.

About the Company

Coupang

Sells goods online with its own overnight delivery

Coupang runs one of South Korea's largest online stores, selling groceries, electronics, household goods and fashion to consumers and small businesses. Rather than relying on outside carriers, it delivers most orders through its own warehouses and drivers, and its Rocket Delivery service brings millions of items to doorsteps overnight or the same day. Shoppers order through the Coupang app or website, and the company earns money from its own retail sales, commissions and fulfillment fees from outside sellers, and a paid membership. Coupang was founded in Seoul in 2010 and is headquartered in Seattle, with most of its operations and staff in South Korea.

Company size
10,001+
Company stage
IPO
Headquarters
Seattle, WA
Founded
2010

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