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Senior Security Engineer, Penetration Tester

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Senior Security Engineer, Penetration Tester in Others

  • Coupang
  • Full time
  • Email
  • Taipei, Taiwan

Responsibilities

  • Execute authorized penetration tests across web applications, mobile applications, APIs, and cloud-related attack surfaces within defined scopes.
  • Identify attack surfaces, apply testing methods, and produce evidence for validated findings.
  • Assess vulnerabilities, distinguish verified findings from false positives, and provide actionable remediation guidance.
  • Use Linux, command-line utilities, penetration-testing tools, and scripts to automate requests, process test data, and analyze results.
  • Coordinate testing status, blockers, findings, scope, and next steps with the Korea security team and Taiwan stakeholders.

Requirements

  • Demonstrated hands-on penetration-testing capability across web, mobile, or API environments.
  • Ability to use penetration-testing tools in Linux or command-line environments and perform programming or scripting for security testing.
  • Ability to assess vulnerabilities, explain technical evidence and impact, and provide remediation guidance.
  • Offensive-security experience sufficient to execute defined penetration-testing activities with appropriate support.
  • Fluency in Mandarin Chinese and English, including the ability to communicate security findings and remediation guidance in both languages.
  • Preferred qualifications include scoped penetration-testing experience, legally authorized bug-bounty experience, testing in complex application environments, cloud-security testing exposure, and red-team or adversary-simulation exposure.
  • A degree in Computer Science, Computer Engineering, or a related field and certifications such as OSCP, OSCE, OSED, CREST, or SANS are preferred.
  • Ability to demonstrate an authorized penetration-testing case and prepare testing plans, remediation comparisons, and concise bilingual security summaries.

Coupang

Coupang is a technology and Fortune 150 company listed on the New York Stock Exchange (NYSE: CPNG) that provides retail, restaurant delivery, video streaming, and fintech services to customers around the world under brands that include Coupang, Eats, Play, Rocket Now, and Farfetch.

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