Senior Staff Backend Engineer, Security
Core
Building core security services and libraries (IAM, authentication, authorization) to secure Coupang's ecosystem of vendors, sellers, and shoppers.
Role type
Senior Staff Backend Engineer (Security Infrastructure)
Builds
Identity and Access Management (IAM) platforms, authentication/authorization services, and security libraries for thousands of microservices.
Domain
E-commerce, Cloud Security, Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
Backend software development, Cloud environment management (AWS), Distributed systems design, API design, System architecture
Preferred skills
Security protocols (OIDC, OAuth2), IAM systems, Kubernetes, gRPC, Istio, CI/CD pipelines, Infrastructure as Code, High-reliability/low-latency system design
Technologies
Java, Go, AWS, Kubernetes, gRPC, Istio
Responsibilities
Develop IAM platforms and iterate rapidly, Partner with teams to understand security needs, Design robust and scalable systems, Hands-on development of critical infrastructure components, Drive platform adoption across teams, Resolve critical system issues and improve operational excellence
Seniority
Senior Staff, hands-on IC with strategic design influence
