About the job
Coupang is a major force in South Korean e-commerce, focused on making daily life easier for millions of customers. The company combines the energy of a startup with the reach and stability of a global public business, supporting rapid innovation and new service launches. Team members value initiative, growth, and the opportunity to make a real impact.
About the Role
The Senior Staff Software Engineer - Security will play a central role in strengthening the security and reliability of Coupang’s core platforms. This position is based in Mountain View or Seattle.
The work centers on technical leadership, architecture, and hands-on software development. The goal: build secure, dependable, and scalable systems that support Coupang’s growth and protect customer trust.
What You Will Do
- Lead security architecture and design for backend systems
- Drive technical decisions that improve platform security, quality, and reliability
- Mentor and guide fellow engineers on security best practices
- Collaborate closely with product teams on high-impact projects
- Contribute directly to codebases, setting high standards for secure development
What We’re Looking For
- Extensive experience in software engineering with a focus on security
- Strong background in building and scaling secure backend systems
- Proven ability to provide technical leadership and architectural direction
- Experience mentoring engineers and collaborating across teams
Join Coupang to help shape the future of commerce and make a lasting difference in a high-tech, connected world.

