Coupang Global LLC
Sr. Staff Backend Engineer
Seattle, USA · Staff+
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The bottom of this range ($18,000) is below the Level I prevailing wage of $111,613. An H-1B cannot be filed below the prevailing wage, so an offer at the floor of this band could not be sponsored as posted.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · Seattle-Tacoma-Bellevue, WA. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
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About the role
- The Marketplace Growth Engineering team is dedicated to the success of third-party sellers on our platform.
- This role offers the opportunity to make a significant impact on Coupang's seller ecosystem, delivering solutions that scale with our business and redefine the seller experience.
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.
- Provide technical leadership across teams, sharing expertise to increase overall productivity and drive technical excellence.
Requirements
- Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field
- 8 years of experience in backend software development
- Proficiency in Java and the Spring Framework
- Experience working in cloud environments, particularly AWS
- A self-starter mindset, with the ability to thrive in environments with evolving priorities and unclear requirements.
Nice to have
- 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.
- 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.
- Comfortable working in an agile, fast-paced environment.
- Bachelor's Degree in Computer Science or a related field.
- Experience working with internet-scale datasets.
Compensation
- Our compensation reflects the cost of living across several US geographic markets.
Benefits
- Take full ownership of projects, ensuring high-quality development and operational health.
Company info
- We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.
- We are proud to have the best of both worlds - a startup culture with the resources of a large global public company.
- This fuels us to continue our growth and launch new services at the speed we have been since our inception.
- Our mission is to build the end-to-end, scalable, and intelligent systems that empower sellers to thrive.
- Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the
This listing is sourced directly from Coupang Global LLC's careers page and normalized into a canonical job model.