Staff Backend Engineer

Company Introduction

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. 

 Role Overview

• Lead architecture design for scalable, extensible, and reliable systems
• Align technology roadmaps with leadership and stakeholders
• Build productivity tools using Claude and Windsurf
• Remove technical blockers and simplify complex problems into actionable solutions
• Write code when needed to guide teams and support high-priority initiatives
• Identify business and tech opportunities; evaluate and adopt new technologies
• Recruit, mentor, and grow top-tier engineering talent

• Bachelor's degree and/or master’s degree in computer science or equivalent
• 10+ years building and operating backend services and web applications
• Deep expertise in distributed systems, storage, data processing, and server technologies
• Strong coding skills in Java and Spring Framework; object-oriented design
• Experience with AWS-based service development and operations
• Experience with NoSQL and relational/columnar databases

• Git, CI/CD automation, and Agile methodologies
• Experience driving improvements in code quality
• Familiarity with observability tools (e.g., Grafana, Prometheus)
• Passion and inclination towards Reliability and observability

Type of work model 

• Hybrid

Details to consider

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

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