Staff Backend Engineer
Core
Technical lead for Inventory and Promise systems within Coupang's Rocket Growth 2P marketplace, designing high-scale distributed systems to simplify business operations for sellers.
Role type
Staff Backend Engineer (Technical Lead)
Builds
Inventory management, promise systems, and fulfillment infrastructure for a 2P marketplace
Domain
E-commerce, Supply Chain, Logistics
Deliverable
production ML models | product features | infrastructure
Required skills
High-scale distributed systems design, Java, System design (API, concurrency, data modeling), Event-driven architectures (Kafka), Multi-region systems, Resilience engineering, Technical leadership
Preferred skills
E-commerce/Supply chain domain expertise, Optimization systems (CPLEX, OR-Tools), Agentic AI tools for development, Spec-Driven Development
Technologies
Java, Kafka, gRPC, REST, CPLEX, OR-Tools, Cursor, Copilot, Devin, Claude Code
Responsibilities
Lead cross-functional projects for Inventory and Promise, Design architecture for new microservices and ML pipelines, Decompose complex problems into simple solutions, Mentor engineers and guide career growth, Exert technical influence across multiple teams
Seniority
Staff, Technical Lead with cross-team influence