Staff, Back-end engineer

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 e-commerce industry from the ground up. 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. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Coupang relies on technology to provide on-time, fast delivery of products to customers every day. Fulfillment Execution (FEX) organization optimizes the real-time distribution of customer orders to FCs nationwide and supports the most efficient order fulfillment process. Building highly available and scalable systems to handle billions of order & delivery transactions and support Coupang’s rapidly growing Product Commerce business is a complex architectural challenge. We are responsible for delivering products to millions of online shopping customers by improving order reconciliation with technology. To deliver on this challenge, we are looking for an experienced and passionate engineer who can design and build large-scale, multi-tiered, distributed services.

• Bachelor’s degree and 7+ years of total experience
• Design, build, deploy, and maintain the core Workflow Platform infrastructure, including Temporal, Netflix Conductor, and other distributed workflow orchestration systems
• Architect and deliver highly scalable, resilient, and high-performance platform services with exceptional system design and engineering excellence
• Benchmark, measure, and optimize platform performance by collecting metrics, publishing results, and driving continuous improvements in reliability, throughput, and latency
• Ensure platform availability and operational excellence through observability, monitoring, alerting, incident management, and 99.995% uptime objectives
• Estimate, provision, and scale infrastructure capacity to support diverse customer workloads while optimizing performance and cost efficiency
• Develop and operate mission-critical backend services and distributed systems in AWS using Java, Spring Framework, and modern cloud-native practices
• Investigate and resolve complex system issues, identify root causes, implement preventive measures, and continuously raise the operational excellence bar
• Collaborate with cross-functional engineering teams to build open, extensible platform capabilities and deliver innovative solutions at scale

• Lead, coach, and develop high-performing software engineers while fostering a culture of accountability, collaboration, and continuous growth
• Communicate and collaborate effectively with end users, business stakeholders, and technical teams to gather requirements and deliver solutions that achieve business objectives
• Drive technical design discussions and guide engineering teams through architecture, implementation, and delivery of scalable solutions
• Champion Agile software engineering best practices, including coding standards, code reviews, testing, CI/CD processes, and live-site operations
• Demonstrate leadership in highly collaborative, cross-functional environments to align priorities and successfully execute strategic initiatives
• Solve complex business and technical challenges through creative thinking, data-driven decision making, and strong partnerships across teams

• Application Review - Application Review - Job Fit Interview - Focus Interview – Offer
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, 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 locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at usrecruiting@coupang.com. 

Job Requisition ID: R0076541