Teams at Coupang

Lead security architecture for scalable, highly available backend systems. Design and optimize traffic risk-control, anti-fraud, and account-security platforms; conduct architecture reviews; improve system stability and security under high concurrency; and collaborate with product, business, and engineering teams to deliver mission-critical security capabilities.

Analyze web protocols and reverse-engineer parameters across websites and mobile applications. Develop improved reverse-engineering solutions, iterate on device attack and defense capabilities, and help build automated adversarial systems. The role requires web and mobile reverse engineering, JavaScript deobfuscation, browser automation, anti-scraping analysis, network traffic inspection, application security testing, cryptography, and automation-tool development.

Designs and owns architecture for Live Sports and Discover APIs, develops highly available and scalable backend systems, and creates low-latency solutions for millions of customers. The role leads strategic projects, mentors engineers, establishes engineering best practices, collaborates cross-functionally, and leverages AI to improve development quality and productivity.