Back-end Engineer (Marketplace)
Core
Designing and developing the Marketplace platform (ddnayo) to enable third-party sellers to list products, process orders, and receive payments on Coupang.
Role type
Back-end Engineer (Marketplace)
Builds
Marketplace platform enabling third-party sellers to list products, process orders, and receive payments
Domain
E-commerce / Marketplace
Deliverable
production ML models | product features | infrastructure
Required skills
Distributed systems design, Microservices architecture, RESTful/GraphQL/gRPC API design, SQL/NoSQL database design, Fault tolerance & monitoring, Algorithmic problem solving, System debugging
Preferred skills
Marketplace domain experience, Cloud platforms (AWS/Azure/GCP), Containerization & orchestration (Docker/Kubernetes), Spring/Java/Kafka/Redis/MySQL, Front-end development (React/Node.js)
Responsibilities
Design and develop the 'ddnayo' system, Build high-availability/high-performance backend systems for large traffic, Collaborate with Product Owners/Stakeholders to solve complex business problems, Identify and resolve domain system issues, Participate in system/code reviews, Collaborate with other teams to achieve mission goals
Seniority
Mid-level, hands-on IC
