Staff Security Software Engineer

About the role

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 We are looking for an experienced Staff Security Software Engineer to design and build scalable security platforms, and capabilities that strengthen Coupang's security posture.

This is a hands-on individual contributor role for engineers who enjoy solving complex technical problems at scale. You will lead the design and implementation of distributed systems, influence technical direction across teams, and partner with security, platform, and software engineering organizations to deliver innovative solutions in the evolving security and AI landscape.

What You Will Do

- Lead the design, development, and delivery of high-impact security engineering initiatives.

- Build scalable security platforms and distributed systems that address complex security challenges.

- Collaborate across Security, Engineering, Infrastructure, and GRC teams to translate ambiguous requirements into production-ready solutions.

- Drive architecture, technical design reviews, and engineering best practices.

- Evaluate emerging technologies, AI capabilities, and security solutions through prototypes and technical investigations.

- Mentor engineers and provide technical leadership across teams.

Basic Qualifications

- 8+ years of software engineering experience building large-scale distributed systems.

- Strong technical leadership experience leading complex, cross-functional engineering initiatives.

- Proficiency in one or more programming languages such as Java, Go, Python, or C++.

- Experience designing, building, and operating highly scalable and reliable software platforms.

- Strong understanding of system architecture, distributed systems, performance, and reliability.