Teams at Coupang

Leads architecture and development of high-scale Inventory and Promise platforms supporting inventory visibility, delivery-date promises, and fulfillment orchestration. Designs distributed microservices and machine learning pipelines, decomposes complex technical problems, improves performance and scalability, and provides technical leadership across teams. Mentors engineers, promotes engineering best practices, and contributes to highly available, fault-tolerant systems processing thousands of requests per second.

Lead the development and maintenance of large-scale distributed systems supporting e-commerce listings, fulfillment, settlements, and seller experiences. Collaborate with product, design, and engineering teams to establish architectural roadmaps, build resilient applications, test and debug software, improve platform performance, and drive innovation. Provide technical direction to junior engineers while delivering scalable, maintainable solutions for Rocket Growth programs.

Conduct penetration testing across web, mobile, API, and network environments; simulate threat actors through Red Team campaigns; identify vulnerabilities; and provide remediation guidance. Requires offensive security experience, proficiency with penetration testing tools, Linux, networking, command-line utilities, and programming. Cloud, threat modeling frameworks, offensive security certifications, and Korean-English fluency are preferred.