Job Board
LogoLogo

Get Jobs Tailored to Your Resume

Filtr uses AI to scan 1000+ jobs and finds postings that perfectly matches your resume

Coupang Fulfillment Services Logo

Staff Backend Engineer, Marketplace Tech

Coupang Fulfillment Services

$142,000 - $309,000
Oct 2, 2025
Seattle, WA, US
Apply Now

Coupang needs a backend engineer to build scalable, high-performance streaming data processing systems to drive business growth and enhance product experiences for 3rd party sellers. The role focuses on empowering sellers by providing robust tools, services, and data platforms that enable them to thrive.

Requirements

  • 10+ years of professional software development experience.
  • 5+ years of experience building data-related products with proficiency in Spark, Flink, Spring, and Java.
  • Strong expertise in open-source frameworks and technologies, including Spring, AWS, APIs, NoSQL, and Big Data technologies such as Kafka, Elasticsearch, Iceberg, and ClickHouse.
  • Hands-on experience with Python.
  • Exceptional coding skills, with a focus on data structures, algorithms, problem-solving, refactoring, performance optimization, and complexity analysis.
  • Experience designing, implementing, and maintaining distributed systems at scale, making trade-offs based on business demands.
  • Proven success in taking a leading role in building and delivering complex software systems.

Responsibilities

  • Design, develop, and automate large-scale, high-performance streaming data processing systems to drive business growth and enhance product experiences.
  • Build scalable data infrastructure and pipelines using best-in-class software engineering practices.
  • Develop optimal data models for storage and retrieval, meeting critical product and business requirements.
  • Drive continuous improvements in data platform efficiency, flexibility, and scalability, while maintaining customer trust, performance, and availability.
  • Contribute to shared data engineering tools and standards to enhance productivity and quality across Growth Engineering and Coupang as a whole.
  • Functionally decompose complex problems into straightforward, maintainable solutions.
  • Provide technical leadership across teams, sharing expertise to increase overall productivity and drive technical excellence.

Other

  • A self-starter mindset, with the ability to thrive in environments with evolving priorities and unclear requirements.
  • Comfortable working in an agile, fast-paced environment.
  • Bachelor's Degree in Computer Science or a related field.
  • Strong communication skills, with the ability to gather requirements and collaborate with users, technical teams, and senior management.
  • Experience influencing software engineering best practices across teams.
  • A customer-first mindset, with the ability to work backward from customer needs to deliver innovative, simple solutions.