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Staff Back-end Engineer (TW Pre-Purchase)

Seoul💼 Full-time🗓 2026-07-30 → 2026-09-26

Core

Staff Engineer leading the end-to-end core services for Taiwan Coupang, focusing on system architecture, resilience, and global business support.

Role type

Staff Back-end Engineer (Tech Lead & Architect)

Builds

Core e-commerce systems, tools, and re-platformed infrastructure for the Taiwan Coupang market.

Domain

E-commerce / Large-scale distributed systems

Deliverable

production ML models | product features | infrastructure

Required skills

System design, large distributed systems, Java, algorithmic problem solving, technical vision, cross-functional influence, product delivery in volatile environments, system ownership, global team collaboration

Preferred skills

High availability system operations, AWS (S3, Kafka, EMR), code quality management, process improvement

Technologies

Java, AWS (S3, Kafka, EMR), modern frameworks

Responsibilities

Identify system risks and establish strategy/roadmaps for resilience and efficiency; lead execution with talented engineers to achieve milestones; develop and maintain user-facing features for a seamless shopping experience; optimize performance and scalability of high-traffic systems; collaborate cross-functionally with product managers, designers, and front-end engineers; continuously improve the platform through data-driven insights and A/B testing.

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