Senior Security Engineer, Penetration Tester
Core
Conduct hands-on penetration testing across web, mobile, API, and cloud environments to identify and validate vulnerabilities for Coupang's Taiwan operations.
Role type
Senior IC penetration tester (L5)
Builds
Security testing deliverables for complex applications, external services, and internal systems
Domain
E-commerce security, cloud security, offensive security
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Penetration testing (web/mobile/API/cloud), Linux command-line proficiency, vulnerability assessment, scripting/automation, technical communication in English and Traditional Chinese
Preferred skills
E-commerce/banking security experience, cloud architecture testing, Red Team/adversary simulation, offensive security certifications (OSCP/OSCE/CREST/SANS), multi-interface attack surface analysis
Technologies
Linux, penetration-testing tools, scripting languages
Responsibilities
Execute authorized penetration tests, identify attack surfaces and validate findings, provide actionable remediation guidance, coordinate testing status with Korea security team, build scripts for test automation
Seniority
Senior, hands-on IC