Staff Security Engineer (Data Security Engineering)

We are looking for a Staff Data Security Engineer to lead the design, development, and implementation of data security capabilities across the organization. This role will focus on protecting sensitive data, improving PII discovery and analysis, building internal security tools, and collaborating with cross-functional teams to reduce sensitive data exposure risks. What You Will Do Design and build internal platforms and tools to support sensitive data discovery, review workflows, access governance, risk tracking, and remediation. Develop backend services, APIs, data pipelines, and automation workflows that help teams identify, analyze, and reduce sensitive data exposure. Integrate with large-scale data systems such as object storage, databases, data warehouses, streaming platforms, metadata systems, and production services. Work closely with security, data platform, and product engineering teams to translate business and risk requirements into practical engineering solutions. Partner with data owners and platform teams to improve how sensitive data is stored, accessed, transformed, shared, and monitored. Basic Qualifications Software engineering experience, especially in backend, platform, infrastructure, or distributed systems development. Good programming skills in one or more languages such as Python, Java, Go, Scala, or similar languages. Good understanding of cloud infrastructure, especially AWS services, IAM concepts, permissions, logging, and access patterns. Recruitment Process and Others Recruitment Process · Application Review - Phone Interview - 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 (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. · 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. · Hiring may be restricted in case the legal qualifications required for hiring and work performance is not met. · (Recruiter Note: add in the case of full-time regulars) This is a full-time regular position and includes 12 weeks of probation period; provided, however, the probationary period may be either skipped, shortened or extended if necessary for business purposes. · (Recruiter Note: add if probation period is applicable, for example in the case of contract position of 3 months or longer) This is a contract position and includes 12 weeks of probation period; provided, however, the probationary period may be either skipped, shortened or extended if necessary for business purposes. Privacy Notice · Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below. https://privacy.coupang.com/en/land/jobs/ Document Return Policy 1. This notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act. 2. 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. 3. 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 It by email (recruitingops@coupang.com). 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. 4. 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 his/her hiring documents will be destroyed immediately in accordance with the Personal Information Protection Act. 5. The above paragraphs 1 - 4 shall only apply when the labor-related laws of Korea govern the application. They are otherwise not applicable.