Staff, Back-end Engineer (Traffic Management)
Core
Building high-availability, low-latency traffic management systems and SDKs used across the entire Coupang backend ecosystem, while pioneering AI-driven developer productivity tools.
Role type
Staff, Back-end Engineer (Traffic Management & AI)
Builds
Distributed traffic management systems, reusable SDKs, and AI-powered developer velocity tools
Domain
E-commerce / Cloud Infrastructure / AI Engineering
Deliverable
production ML models | product features | infrastructure
Required skills
Java, SQL, NoSQL, Cloud computing (AWS/Azure/GCP), Distributed systems design, AI technologies and toolsets, System optimization
Preferred skills
Spring Boot, Shift left methodologies, Modern web application architectures, Metrics and observability, Root cause analysis
Technologies
Java, SQL, NoSQL, AWS, Azure, GCP, Spring Boot, MCP, Agentic frameworks
Responsibilities
Design and build backend distributed systems and SDKs for cross-team leverage; Deliver products using state-of-the-art AI technologies to accelerate developer velocity; Optimize the development lifecycle for systemic improvements; Collaborate with technical leaders on innovative design choices; Ensure high reliability and incremental delivery of complex changes; Dive deep into critical system issues to address root causes; Disseminate technical expertise across the organization