Senior Staff Engineer (Product Security Architecture, Information Security)

Company Introduction

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.

Job Overview

The Senior Staff Product Security Engineer is ultimately responsible for providing technical leadership and oversight for key product and security architecture initiatives. They will define and deliver a holistic product security architecture across all Coupang services, and ensure security is embedded in all stages of the software development lifecycle, from design through deployment and operations.

Key Responsibilities

Responsibilities will include, but not be limited to, the following:

• Provide technical leadership to the Product Security organization.
• Develop security architecture standards and drive secure design practices.
• Perform application threat modeling and risk assessments.
• Define and implement secure coding guidelines, static code analysis (SAST), dynamic testing (DAST), and secure build/deploy pipelines.
• Architect and guide implementation of security controls for authentication, authorization, cryptography, key management, and secrets management.
• Proactively identify and mitigate OWASP Top 10 and other application security risks.
• Partner with engineering teams to define and integrate pragmatic security controls and testing into their SDLC.
• Build and mentor a world-class Product Security team.
• Manage senior level stakeholder relationships including security technology, engineering and operations.
• Drive innovation and strategic thinking to proactively address emerging security challenges at Coupang's scale.

Background & Experience

• 10+ years of experience in product / application security, security architecture, or security engineering roles, including leadership experience.
• Deep hands-on technical expertise in secure development practices, cloud-native security architectures, threat modeling, and modern application security vulnerabilities and mitigations.
• Strong experience with authentication protocols, cryptography, secrets management, and other foundational application security concepts.
• Proven track record of building and scaling effective product security programs and teams.
• Experience influencing senior leadership, driving alignment cross-functionally, and managing stakeholders.
• Excellent communication skills, both written and verbal.
• International experience, ideally across Asia Pacific including Korea.
• Bachelor's degree in Computer Science, Engineering or related field.

Behavior & Cultural Fit

• Exhibits strong leadership skills and ability to set technical vision and direction
• Thrives in a fast-paced, high-growth, and ambiguous environment
• Strong sense of ownership, urgency, and drive
• Analytical mindset with excellent problem solving skills
• Keen customer focus and passion for securing Coupang's products and services
• Team player with strong collaboration and influencing skills
• Comfortable diving deep into technical details while maintaining strategic perspective
• Adaptable and embraces change and continuous learning

Recruitment Process & Others

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.
• Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.
• Job titles and responsibilities may be subject to change depending on the candidate’s overall experience, etc. This will be communicated to the candidate at the appropriate time before the offer.

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below.
• https://www.coupang.jobs/en/privacy-policy/

Document Return Policy (This notice MUST be included in a job posting in Korea only to comply with the Fair Hiring Procedure Act.)

• This notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act.
• A job applicant, who has applied but not been finally selected for a position at Coupang (the “Company”), may request the Company to return his/her hiring documents submitted pursuant to the Fair Hiring Procedure Act. However, this will not apply where the hiring documents were submitted via the website of the Company or e-mail, or where the job applicant submitted those documents voluntarily without a request from the Company. In addition, if the hiring documents were destroyed due to a natural disaster or any other reasons not attributable to the Company, such documents will be deemed to have been returned to the job applicant.
• A job applicant who wishes to request the return of his/her hiring documents pursuant to the main sentence of paragraph 2 above should fill out a “Request for Return of Hiring Documents” [Annex Form No. 3 in the Enforcement Rule of the Fair Hiring Procedure Act] and submit the request to the Company (Coupang Recruiting Team, Tower 730, 570 Songpa-daero, Songpa-gu, Seoul). In such case, within fourteen (14) days from the date of identifying the receipt of the request, the Company will send the hiring documents to the job applicant’s designated address via registered mail. Please be informed that the job applicant is required to pay the postage on the registered mail.
• In preparation for a job applicant’s request for the return of hiring documents pursuant to the main sentence of paragraph 2 above, the Company shall retain the original hiring documents submitted by the job applicant for 180 days from the completion of the recruiting process. If no request is made until the end of this period, all of his/her hiring documents will be destroyed immediately in accordance with the Personal Information Protection Act.