Coupang

Senior Staff Backend Engineer (IAM)

Bengaluru. Posted 3 months ago

The role

This person will lead backend engineering efforts for identity and access management for a next-generation AI cloud platform. They will build and scale identity and authentication systems and manage user and machine identities.

What you will do

  • Lead and grow a high-performing backend engineering team focused on identity and access management
  • Drive development of core IAM capabilities including authentication, authorization, and identity lifecycle management
  • Design and build scalable systems for user identity and machine identity management within a cloud environment
  • Work on modern authentication protocols such as OAuth2, OIDC, and SAML, and implement secure service-to-service authentication
  • Build and evolve authorization frameworks leveraging RBAC/ABAC models and policy engines
  • Partner with cross-functional teams to deliver secure, scalable infrastructure for AI workloads
  • Drive technical design, execution planning, and delivery of complex distributed systems
  • Ensure reliability, scalability, and security of identity systems
  • Mentor engineers and foster a strong engineering culture

Required qualifications

  • 13 - 17 years of backend software engineering experience
  • Strong experience in backend development using Java or Python with REST API design
  • Hands-on experience with authentication and authorization technologies (OAuth2, OIDC, SAML)
  • Solid understanding of identity systems including user identity and machine/workload identity
  • Experience with service-to-service authentication and distributed system security
  • Strong problem-solving and execution skills with ability to break down complex systems
  • Experience working in cloud environments

Nice to have

  • AWS preferred
  • Experience building IAM systems in cloud platforms (AWS, Azure, GCP)
  • Familiarity with PKI, certificate lifecycle management, and secure identity frameworks
  • Experience with authorization frameworks (RBAC, ABAC, OPA)
  • Exposure to Kubernetes and cloud-native architectures
  • Experience working on large-scale distributed systems handling high request volumes
  • Background in platform engineering or infrastructure teams

About the company

Coupang is a fast-growing e-commerce company and a dominant force in South Korean commerce. It has a startup culture with the resources of a large global public company.

Senior Staff Backend Engineer (IAM) at Coupang | JobZoey