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Coupang Fulfillment Services Logo

Staff, Back-end engineer [Promise Platform]

Coupang Fulfillment Services

$159,000 - $324,000
Dec 5, 2025
Seattle, WA, US
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Coupang needs to rearchitect and build a brand new Inventory and Promise platform to improve order coordination, provide inventory visibility to customers, offer promised delivery dates, and power fulfillment orchestration, ultimately enabling Coupang Fulfillment & Transportation to operate faster, better, and cheaper.

Requirements

  • 7+ years of software engineering experience, including Java.
  • 7+ years of knowledge of emerging platforms, Java, C/C++, operating system principles, and programming best practices.
  • Strong understanding of backend scalable software architecture, distributed systems, and message-oriented architecture.
  • Experience with full-stack, high-scale production systems with fault-tolerance and monitoring.
  • Experience with building stream-processing systems, using solutions such as Kafka and Spark-Streaming.
  • Data caching and storage techniques and creating distributed software architectures with horizontal scale.
  • Operationalizing software in a large-scale environment with high availability requirements.

Responsibilities

  • Serve as a technical lead on our most demanding, cross-functional projects involving Inventory and Promise.
  • Independently come up with quality architecture and design of systems for new microservices and machine learning pipelines.
  • Functionally decompose complex problems into simple, straightforward solutions.
  • Possess expert knowledge in performance, scalability, enterprise distributed architecture, and engineering best practices.
  • Assist in the career development of others, actively mentoring individuals and the community on advanced technical issues and helping managers guide the career growth of their team members.
  • Exert technical influence over multiple teams, increasing their productivity and effectiveness by sharing your deep knowledge and experience.

Other

  • 7+ years of experience leading large-scale projects.
  • Bachelor's degree and/or Master’s degree in Computer Science or equivalent.
  • Experience with scalable distributed systems and understanding of machine learning algorithms.
  • Experience in the eCommerce domain involved in supply chain systems around Inventory and Promise.
  • Software development experience with Java, Scala, and Python.