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Coupang

Sells goods online with its own overnight delivery

Staff Backend Engineer 2 - Ecommerce Engineering

Backend EngineeringConfirmed live in the last 24 hours
Full-timeSeoul, South KoreaNo salary listedIn-person

About the Job

Requirements

  • At least 5 years of hands-on backend development experience, excluding internships.
  • At least 5 years of service development and architecture leadership experience with Java, Kotlin, and Spring.
  • Experience as a mentor, technical lead, or engineering team lead.
  • Experience defining technical vision and roadmaps for mission-critical projects, including alignment with stakeholders and lead engineers.
  • Experience with microservices architecture and scaling it to web scale.
  • Experience deeply investigating and resolving critical system issues.
  • Experience applying knowledge of internal and industry best practices to designs.
  • Experience collaborating with other engineering teams to make platforms open and extensible, creating opportunities for innovation.
  • Preferred: At least 5 years of software design and development experience with Java and Python.
  • Preferred: Hands-on experience designing, building, and deploying scalable, highly available distributed multi-tier services.
  • Preferred: Experience designing and developing large-scale global system architectures.
  • Preferred: Experience defining technical roadmaps and vision.
  • Preferred: Experience with AWS cloud computing.
  • Preferred: Experience developing in Kubernetes environments.
  • Preferred: Experience developing data pipelines using Spark, Cassandra, Kafka, and Airflow.
  • Preferred: Experience with Java, IntelliJ, and Spring environments.
  • Practical experience using AI-assisted software engineering tools such as Copilot, Claude Code, Devin, or Cursor throughout implementation, testing, code review, and documentation.
  • Experience establishing and leading adoption of AI best practices within a team.
  • Demonstrated measurable productivity improvements through AI tool adoption, such as increased pull-request throughput, reduced cycle time, or improved code quality.

Responsibilities

  • Lead projects across multiple teams and define the technical roadmap for the core data-serving platform.
  • Contribute to the group's technical strategy and solve deep architectural problems by designing systems with clear boundaries, strong contracts, and comprehensive testing.
  • Lead adoption of AI use cases and automation across teams.
  • Make trade-offs between short-term delivery and long-term platform health.
  • Unblock other teams and act as a force multiplier by coaching engineers on career growth and engineering fundamentals.

Desired Qualifications

  • Experience with AWS cloud computing.
  • Experience developing in Kubernetes environments.
  • Experience developing data pipelines using Spark, Cassandra, Kafka, and Airflow.
  • Experience with Java, IntelliJ, and Spring environments.
  • At least 5 years of software design and development experience with Java and Python.
  • Hands-on experience designing, building, and deploying scalable, highly available distributed multi-tier services.
  • Experience designing and developing large-scale global system architectures.
  • Experience defining technical roadmaps and vision.

About the Company

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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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