Staff Backend Engineer

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we 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.

We are looking for a Staff Backend Engineer to work within the Supply Chain Management & Automation (SCMA) organization, the group building the automated systems behind Coupang’s procurement and inventory operations.
SCMA powers critical supply chain decisions such as what to order, how much to order, and when to procure, operating at massive scale across millions of SKUs and thousands of suppliers.
As a Staff Engineer, you will operate at a group-level scope, driving technical strategy, leading architecture decisions, and influencing cross-functional teams across engineering, product, and data science.

• →Own the Supply Chain Management & Automation (SCMA) organization, covering both technical systems and business impact
• →Deep dive into platform architecture and drive critical reliability improvements, including circuit breakers, dead letter queue (DLQ) strategies, and robust failure handling mechanisms
• →Build and drive strong cross-functional alignment across engineering, product, and partner teams
• →Define, lead, and deliver group-level OKRs with measurable impact
• →Lead architecture design and review (AR) processes from proposal and alignment through to execution
• →Develop and execute multi-quarter technical roadmaps, including platform extensibility, legacy modernization, and ML-readiness with model integration
• →Identify systemic bottlenecks and drive org-wide initiatives to resolve them
• →Act as a bar raiser for engineering excellence by leading design reviews, mentoring senior engineers, and elevating engineering standards and best practices

• →7-10 years of backend engineering experience with Java and Spring Boot
• →Strong experience building and scaling large-scale distributed systems
• →Hands on expertise with Big data frameworks, Spark, EMR etc
• →Proven track record of defining technical strategy and roadmaps, leading architecture reviews (AR), and delivering on group-level OKRs
• →Demonstrated ability to identify and solve systemic engineering challenges and drive alignment across cross-functional stakeholders
• →Strong leadership in design reviews, mentoring senior engineers, and raising engineering quality standards.

• →Experience in the Supply Chain Management & Automation (SCMA)
• →Exposure to ML pipelines and real-time decision systems.

• →Hybrid / Onsite / Remote working

• →Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.