Sr. Staff Software Engineer, Security
Core
Architecting and implementing secure, scalable backend systems and embedding Generative AI capabilities for Coupang's core e-commerce platforms.
Role type
Sr. Staff Software Engineer (Security & Distributed Systems)
Builds
Secure, scalable backend systems, identity management, and GenAI workflows for e-commerce
Domain
E-commerce, Cloud Security, Generative AI
Deliverable
production ML models | product features | infrastructure
Required skills
Security architecture, distributed systems design, Java, Spring Boot, AWS cloud-native services, cryptography, PKI, authentication/authorization (SSO, OIDC, RBAC/ABAC), API security, secure SDLC
Preferred skills
Generative AI integration (embeddings, RAG, LLM APIs), ML infrastructure, service mesh, data security pipelines, system design mentorship
Technologies
Java, Spring Boot, AWS (EKS, S3, Lambda, RDS, IAM, KMS), microservices, service mesh
Responsibilities
Architect and implement secure, scalable backend systems; Lead technical design reviews and enforce security best practices; Develop and integrate security features (auth, authorization, identity management); Design and implement API security patterns at scale; Embed Generative AI capabilities securely; Write and review code and make critical architectural decisions; Champion secure SDLC practices and compliance
Seniority
Sr. Staff, hands-on IC with strategic influence