Senior Staff Backend Engineer
Core
Lead the technical direction of MyCoupang, Coupang's post-purchase customer experience platform handling orders, delivery, returns, and payments for tens of millions of customers.
Role type
Senior Staff Backend Engineer (High-scale E-commerce)
Builds
MyCoupang platform serving ~2.4 billion requests daily with 99.99% availability (via careerplan.io/jobs/7917045-senior-staff-backend-engineer-at-coupang)
Domain
E-commerce, High-scale Distributed Systems
Required skills
Software design and development, Scalable high-availability system design, High-throughput low-latency system design, Event-driven architecture, Complex distributed system debugging
Preferred skills
Java, Kotlin, RESTful API design, Database design and optimization, Message queue systems, Workflow engines, Monitoring and alerting, CI/CD tools
Technologies
Java, Kotlin, TypeScript, ReactJS, Kafka, MySQL, Aurora, Grafana, CloudWatch, Git, CircleCI
Responsibilities
Design multi-market abstractions for scaling to new regions, Drive system availability to 99.99%, Lead disaster recovery readiness and capacity planning, Define long-term architecture for the platform, Set the engineering bar for the team, Shape technical strategy for customer-facing systems
Seniority
Senior Staff, hands-on IC with strategic influence
