Coupang Global LLC
Sr. Staff Back-end engineer [Promise Platform]
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
- Staff Backend Engineer for the Inventory and Promise Platform team, you will empower Coupang Fulfillment & Transportation to operate faster, better, and cheaper through modern, reliable, and data-driven technologies.
- In this role, you will be a key contributor to an area of the business that is rapidly expanding and is recognized for its Rocket Delivery service.
- Additionally, the platform also powers fulfillment orchestration once an order is placed.
Responsibilities
- Serve as a technical lead on our most demanding, cross-functional projects involving Inventory and Promise.
- The team already builds services that process thousands of requests per second, generate trillions of won annually in business decisions, and manage business rules that move millions of products.
Requirements
- Bachelor's degree in Computer Science, Electrical Engineering, Math, or a closely related field
- 10+ years of experience in backend software development
- 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.
- Experience in the eCommerce domain involved in supply chain systems around Inventory and Promise.
- Software development experience with Java, Scala, and Python.
- Experience with AWS; Java language would be a plus.
- Demonstrated experience in building and maintaining highly available, distributed systems
- Preferred:
- Experience with scalable distributed systems and understanding of machine learning algorithms.
- Data caching and storage techniques and creating distributed software architectures with horizontal scale.
- Operationalizing software in a large-scale environment with high availability requirements.
Nice to have
- Experience with AWS
- Java language would be a plus.
Compensation
- The team already builds services that process thousands of requests per second, generate trillions of won annually in business decisions, and manage business rules that move millions of products.
Benefits
- Medical/Dental/Vision/Life, AD&D insurance
- Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
- Long-term/Short-term Disability
- 18-21 days of the Paid Time Off (PTO) a year based on the tenure
- Paid Parental leave
- Pre-tax commuter benefits
- Those eligible for employment protection (recipients of veteran's benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.
- If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at usrecruiting@coupang.com.
Company info
- We are one of the fastest-growing retail companies that established an unparalleled reputation for being a leading 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.
- We exist to wow our customers.
- We know we're doing the right thing when we hear our customers say, "How did I ever live without Coupang?" Born out of an obsession to make shopping, eating, and living easier than ever, we're collectively disrupting the multi-billion-dollar commerce industry from the ground up.
- At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact.
- Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the
Equal opportunity
- equal opportunity employer.
Visa & Work Authorization
- tatus, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locati
This listing is sourced directly from Coupang Global LLC's careers page and normalized into a canonical job model.