- Lead or execute authorized penetration-testing engagements across web applications, mobile applications, APIs, and cloud-related attack surfaces.
- Define testing scope, identify attack surfaces, select appropriate testing methods, and document evidence, limitations, and outcomes.
- Assess discovered vulnerabilities, validate technical impact, distinguish verified findings from false positives, and provide remediation guidance.
- Use Linux, command-line utilities, and penetration-testing tools to perform controlled testing and verify results.
- Build or modify scripts that support request automation, test-data processing, or security-test result analysis.
- Coordinate testing scope, ownership boundaries, escalation paths, status updates, and deliverables with the Korea security team and Taiwan stakeholders.
- Independently manage engagement priorities and review testing output to identify gaps and provide specific technical guidance.
- Demonstrated hands-on penetration-testing capability across web, mobile, or API environments.
- Demonstrated experience using penetration-testing tools in Linux or command-line environments.
- Ability to assess vulnerabilities, explain supporting evidence and impact, and provide actionable remediation guidance.
- Experience testing multiple applications, external services, or internal applications through penetration-testing or legally authorized bug-bounty work.
- Offensive-security experience sufficient to carry out penetration-testing engagements.
- Fluency in both Mandarin Chinese and English, able to communicate security findings and remediation guidance in English and Mandarin Chinese.
- Ability to collaborate across Taiwan and Korea security activities, including scope coordination, responsibility boundaries, escalation, and delivery communication.
- Experience in Red Team or adversary-simulation experience in a complex application environments.
- Exposure to cloud-security testing, including architecture, identity and access, public interfaces, or configuration risks.
- Relevant offensive-security certification such as OSCP, OSCE, OSED, CREST, or SANS.
- Ability to demonstrate an authorized penetration-testing case covering scope, methodology, evidence, findings, limitations, and delivery outcome.
- Ability to complete a controlled attack-surface analysis and testing plan for a multi-interface application.
- Ability to compare remediation options based on risk reduction, constraints, and validation approach.
- Ability to prepare concise bilingual security summaries for technical and cross-regional stakeholders.
- A degree in Computer Science, Computer Engineering, or a related field.
Recruitment Process
- Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview - Offer
- The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
- Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.
Details to Consider
- This job posting may be closed prior to the stated end date for application if all openings are filled.
- Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
- Those eligible for employment protection, including recipients of veteran’s benefits and persons with disabilities, may receive preferential treatment for employment in accordance with applicable laws.
Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below:
https://www.coupang.jobs/privacy-policy/
Skills Required
- Hands-on penetration-testing experience across web, mobile, or API environments
- Experience using penetration-testing tools in Linux or command-line environments
- Ability to assess vulnerabilities, explain evidence and impact, and provide remediation guidance
- Experience testing multiple applications or services through penetration testing or legally authorized bug-bounty work
- Offensive-security experience sufficient to conduct penetration-testing engagements
- English and Traditional Chinese communication skills
- Ability to collaborate across Taiwan and Korea security activities
- Red team or adversary-simulation experience
- Cloud-security testing experience
- Relevant offensive-security certification such as OSCP, OSCE, OSED, CREST, or SANS
- Authorized penetration-testing case demonstrating scope, methodology, evidence, findings, limitations, and outcome
- Ability to create attack-surface analysis and testing plans for multi-interface applications
- Ability to compare remediation options based on risk reduction, constraints, and validation approach
- Ability to prepare concise bilingual security summaries
- Degree in Computer Science, Computer Engineering, or a related field
Coupang Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Coupang and has not been reviewed or approved by Coupang.
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Healthcare Strength — Benefits are described as robust, including medical, dental, vision, disability, life, mental health, and transgender healthcare. Some locations also offer on-site or virtual health screenings that enhance preventive care access.
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Retirement Support — Financial programs include a 401(k) with company matching and an employee stock purchase plan alongside performance bonuses. Feedback suggests these elements provide a structured foundation for long-term savings and wealth building.
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Leave & Time Off Breadth — Paid time off is described as generous with accrual increasing with tenure, complemented by company-paid holidays and parental leave. Flexible work arrangements in some roles further support time away when needed.
Coupang Insights
What We Do
We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial, surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.
Why Work With Us
We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact.
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