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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

As a Staff Backend Engineer, you will work on distributed systems and building next generation platform and products. You will help the team to bring industry best practices in software development and operations while improving their engineering skills to build pioneering e-commerce experience in new global markets. Working closely with a group of engineers in multiple geographic locations, you’ll solve challenge problems at scale with high reliability. Your efforts will directly have an impact on tens of millions of users every single day!

What You Will Do

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

Basic Qualifications

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

Preferred Qualifications

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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Staff Backend Engineer

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