Senior Back-end Engineer (Developer Experience)
Core
Designing and implementing the latest platform to support all internal Coupang services, managing workload and microservice ecosystems, and innovating developer experience and internal infrastructure.
Role type
Senior IC back-end architect (developer experience)
Builds
Scalable systems and services supporting Coupang's internal microservice ecosystem and developer platform
Domain
E-commerce / Distributed systems / Cloud infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Distributed systems architecture, Large-scale backend services, Kubernetes, gRPC, Service Mesh, Cloud computing (AWS/Azure/GCP), Hands-on core infrastructure development, System analysis and root cause resolution, Cross-functional collaboration with tech leaders
Preferred skills
Go language, JSON/YAML/Jsonnet, Kafka/Cassandra/Google Spanner, Concurrency/Multi-threading/Non-blocking IO, Leading large-scale service releases, English fluency, Master's or PhD degree
Technologies
Kubernetes, gRPC, Service Mesh, AWS, Azure, GCP, Go, C/C++, Python, Java, Kafka, Cassandra, Google Spanner
Responsibilities
Design workload and service management infrastructure, Develop core infrastructure components directly, Decompose complex problems into clear solutions, Build scalable systems with high-level architecture, Analyze serious system issues deeply to prevent recurrence, Collaborate with other tech leaders to ensure service scalability
Seniority
Senior, hands-on IC