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English will follow Korean text 회사 소개 쿠팡페이의 핀테크 사업은 금융 서비스의 재정의를 통해 쿠팡 고객과 판매자들이 동일한 비용으로 더 많은 가치를 누리도록 지원합니다. 쿠팡페이는 쿠팡 앱 및 홈페이지에서 상품을 구매하는 소비자와 쿠팡 마켓플레이스에서 사업을 영위하는 판매자, 쿠팡이츠에 입점한 음식점주 등에게 혁신적인 결제 및 금융 솔루션을 제공하는 데 최선을 다합니다. 쿠팡페이의 최신 핀테크 혁신 기술은 원터치 결제 서비스가 탑재된 자체 결제 시스템 쿠페이를 기반으로 한국과 대만 소비자들의 니즈에 부응하고 있습니다. 대표적으로 쿠팡페이는 고객 가치 지향 차원에서 업계 최고 수준의 리워드를 제공하는 쿠팡와우카드(쿠팡 전용 제휴 카드)를 빠르게 확장시키고 있습니다. 또 마켓플레이스 판매자들을 위해 BaaS (Banking as a Service) 모델을 접목하고 다양한 유동성 강화 솔루션을 제공함으로써 소상공인들의 사업 성장을 적극 지원합니다. 보유하고 계신 다양한 경험을 핀테크 분야에서 최대한 살리고 싶다면 쿠팡페이와 함께 하세요. 쿠팡페이는 고객들의 결제 시간을 최대한 아껴주고 좋아하는 것을 마음껏 쇼핑할 시간을 벌어드립니다. 직무 소개 쿠팡페이는 쿠팡을 온라인 결제가 가장 편리한 플랫폼으로 만드는 것을 목표로 합니다. Product Engineering 팀의 Staff, Back-end Engineer로서, 단순한 기능 개발을 넘어 결제 핵심 도메인의 기술적 방향성을 정의하고, 대규모 트래픽을 처리하는 안정적인 핀테크 시스템을 설계·고도화하는 역할을 담당합니다. 국내 최초 원터치 결제 시스템인 “쿠페이”를 포함한 결제 핵심 서비스의 기술적 오너로서, 시스템의 안정성, 확장성, 보안, 성능 전반에 대해 책임을 집니다. 수천만 고객이 사용하는 결제 서비스를 더 빠르고 안전하게 만들기 위해 복잡한 기술적 문제를 정의하고, 근본적인 해결책을 설계 및 구현합니다. 또한 회계팀, 자금팀, Fintech 개발팀 등 다양한 유관 부서와 긴밀히 협업하며, 결제 백오피스 및 정산·대사 시스템의 아키텍처를 주도적으로 설계하고 운영 안정성을 개선합니다. 코드 리뷰, 설계 리뷰, 기술 가이드 제공을 통해 팀과 조직 전반의 기술 수준을 끌어올리는 핵심 기여자 역할을 수행합니다. 자격 요건 Backend 개발 경력 10년 이상을 보유하신 분 Java/Kotlin, Spring Framework 기반의 대규모 분산 시스템을 설계하고 운영한 경험을 보유하신 분 하나 이상의 복잡한 서비스 또는 도메인에 대해 기술적 오너십을 가지고 주도적으로 개선한 경험을 보유하신 분 성능, 안정성, 데이터 정합성, 보안을 고려한 시스템 설계 역량을 보유하신 분 모호한 문제를 구조화하고, 기술적 판단을 통해 실제 비즈니스 임팩트를 만들어낸 경험을 보유하신 분 고객 경험과 비즈니스 요구를 이해하고, 이를 기술적으로 풀어내는 데 높은 흥미와 책임감을 보유하신 분 우대 사항 JPA, MSA 환경에서의 아키텍처 설계 및 마이그레이션 리딩 경험을 보유하신 분 Payment / Fintech 도메인에서의 개발 및 운영 경험을 보유하신 분 대규모 트래픽 환경에서의 장애 대응, 모니터링, SLA 개선 경험을 보유하신 분 정산·대사 등 대용량 데이터 처리 및 정합성 보장 경험을 보유하신 분 애자일 소프트웨어 방법론 환경에서 기술적 리더십을 발휘한 경험을 보유하신 분 기술적 판단과 설계를 통해 조직 내 다른 엔지니어들에게 영향력을 행사한 경험을 보유하신 분 전형 절차 및 안내 사항 전형절차 서류전형 - 1차 면접 - 2차 면접 - 최종 합격 전형절차는 직무별로 다르게 운영될 수 있으며 , 일정 및 상황에 따라 변동 될 수 있습니다 . 전형 일정 및 결과는 지원서에 등록하신 이메일로 개별 안내 드립니다. 참고사항 본 공고는 모집 완료 시 조기 마감될 수 있습니다. 지원서 내용 중 허위사실이 있는 경우에는 합격이 취소될 수 있습니다. 취업 보호 대상자(보훈대상자, 장애인 등)는 관련 법률에 따라 채용우대를 받을 수 있습니다. 직급과 담당 업무 범위는 후보자의 전반적인 경력과 경험 등 제반사정을 고려하여 변경될 수 있습니다. 이러한 변경이 필요할 경우, 최종 합격 통지 전 적절한 시기에 후보자와 커뮤니케이션 될 예정입니다. 채용 및 업무 수행과 관련하여 요구되는 법령상 자격이 갖추어지지 않은 경우 채용이 제한될 수 있습니다 . 고용형태는 정규직으로 수습기간 12 주를 포함 합니다 . 단, 업무상 필요한 경우에는 상기 수습기간을 적용하지 않거나 단축 또는 연장할 수 있습니다. 개인정보 처리방침 쿠팡 그룹은 입사지원자 개인정보 처리방침(아래 링크)에 따라 귀하의 개인정보를 수집하여 처리합니다. https://www.coupang.jobs/kr/privacy-policy/ 서류반환정책 본 고지는 『 채용절차의공정화에관한법률 』 제11조제6항에 따른 것 입니다 . 당사 채용에 응시한 구직자 중 최종 합격이 되지 못한 구직자는 『채용절차의 공정화에 관한 법률』에 따라 제출한 채용서류의 반환을 청구할 수 있음을 알려 드립니다. 다만, 홈페이지 또는 전자우편으로 제출된 경우나 구직자가 당사의 요구 없이 자발적으로 제출한 경우에는 그러하지 아니하며, 천재지변이나 그 밖에 당사에게 책임 없는 사유로 채용서류가 멸실된 경우에는 반환한 것으로 봅니다. 위2항 본문에 따라 채용 서류 반환 청구를 하는 구직자는 채용 서류 반환 청구서 [채용절차의 공정화에 관한 법률 시행규칙 별지 제 3 호 서식]를 작성하여 이메일 (recruitingops@coupangpay.com) 로 제출하면, 제출이 확인된 날로부터 14 일 이내에 지정한 주소지로 등기우편을 통하여 발송해 드립니다. 이 경우 등기우편요금은 수신자 부담으로 하게 되오니 유념하시기 바랍니다. 당사는 위2항 본문에 따른 구직자의 반환 청구에 대비하여 채용 여부가 확정된 날로부터 180 일간 구직자가 제출한 채용서류 원본을 보관하게 되며, 그때까지 채용서류의 반환을 청구하지 아니할 경우에는 『개인정보 보호법』에 따라 지체 없이 채용서류 일체를 파기할 예정입니다. 단, 위 1항 내지 4항의 내용은 대한민국의 노동 관계 법령이 적용되는 경우에만 적용됩니다. 그 이외의 경우에는 적용되지 않습니다. Company Introduction The fintech business of Coupang is reimagining financial services for both our consumers and sellers, so they can do more with their money. Coupang Pay focuses on delivering innovative payment and financial services solutions to everyone who uses the Coupang app — from customers buying products on Coupang.com, to marketplace vendors, and restaurants that offer their services via Coupang Eats. We develop solutions with our latest tech innovations to serve the growing needs of Coupang’s customers in Korea and Taiwan. This includes Coupay, an online wallet with a proprietary one-touch payment capability. In particular, we are rapidly scaling the Wow credit card, a co-branded card that offers industry-leading rewards as part of our efforts to maximize customer values. For sellers, we are building out multiple liquidity options to help small and medium sized enterprises grow their business, using BaaS (Banking as a Service) capability. If you want to leverage your extensive experience within the fintech space, join us. We help customers spend less time checking out so they can spend more time shopping for what they love. Role Overview Coupang Pay aims to make Coupang the most convenient online payment platform. As a Staff Backend Engineer on the Product Engineering team, you will go beyond feature development to define the technical direction of core payment domains and design and evolve highly reliable fintech systems that handle large-scale traffic. As the technical owner of core payment services—including Coupay, Korea’s first one-touch payment system—you will be responsible for system stability, scalability, security, and performance end to end. You will identify complex technical challenges and design and implement fundamental solutions to make payment services used by tens of millions of customers faster and safer. You will also work closely with cross-functional partners such as Accounting, Treasury, and other Fintech engineering teams to lead the architecture of payment back-office systems, as well as settlement and reconciliation platforms, while improving operational stability. In addition, you will act as a key contributor in elevating the technical bar across the organization through code review, design review, and technical guidance. Basic Qualifications 10+ years of backend engineering experience Ability to design and operate large-scale distributed systems based on Java/Kotlin and the Spring Framework Experience owning and proactively driving improvements for one or more complex services or domains with strong ownership Ability to design systems with strong consideration for performance, reliability, data consistency, and security Experience structuring ambiguous problems and making technical decisions that resulted in tangible business impact Ability to understand customer experience and business requirements and translate them into well-architected technical solutions with a high level of ownership Preferred Qualifications Experience leading architecture design and migration in JPA- and MSA-based environments Experience in development and operations within the Payment / Fintech domain Experience responding to incidents, building monitoring systems, and improving SLAs in high-traffic environments Experience handling large-scale data processing with strong guarantees around settlement and reconciliation accuracy Experience demonstrating technical leadership in agile software development environments Experience influencing other engineers through sound technical judgment and system design decisions Recruitment Process and Others Recruitment Process Application Review - 1st Interview - 2nd 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. 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 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 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 It by email (recruitingops@coupangpay.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. 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. The above paragraphs 1 - 4 shall only apply when the labor-related laws of Korea govern the application. They are otherwise not applicable.

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading 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 entrepreneurs 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. Role Overview The Search & Discovery AI Product Engineering team is crafting a visionary search and discovery experience for Coupang users, making product navigation seamless and enriching lives through better discovery. We seek brilliant, driven individuals with deep ownership mindset. If you want your technical contributions to impact millions and you thrive on high-stakes challenges, lets connect! As a backend engineer on this team, you will drive the evolution of Coupang's most vital interfaces—surfaces facilitating over 60% of all customer transactions. What you'll do : Identify and resolve architectural constraints within the existing search system framework. Design and implement cutting-edge solutions utilizing advanced system technologies to eliminate performance bottlenecks. Develop innovative user-centric products for the Coupang search and discovery ecosystem. Scale and optimize mission-critical services to ensure a consistently superior customer experience. Partner cross-functionally with Product Managers and Designers to deliver a unified and intuitive experience for our users. Apply expert-level engineering skills to create pioneering consumer-facing mobile solutions. Basic Qualifications : 5+ years of professional expertise in distributed systems, systems programming, and backend engineering. 5+ years of deep experience with core algorithms, system architecture, and large-scale distribution. Prior React Web experience is a significant advantage. 5+ years of rigorous coding proficiency in Java, Go, or other languages. Advanced degree (BS/MS/PhD) in Computer Science or a related technical field. Proven track record of managing high-availability API platforms and resolving intricate scaling, latency, and performance hurdles in high-traffic environments. Preferred Qualifications Exceptional communication abilities paired with a sharp product intuition. Intense drive for building impactful products. High degree of autonomy; startup background is highly valued. Resilience in the face of ambiguity and a desire to solve complex, messy problems. A scrappy, risk-taking attitude focused on results. Pay & Benefits Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $194,000/year in our lowest geographic market to $243,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of the Paid Time Off (PTO) a year based on the tenure 12 Paid Holidays Pre-tax commuter benefits MTV - [Free] Electric Car Charging Station General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. 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 (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. 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/privacy-policy/ Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at usrecruiting@coupang.com . Job Requisition ID: R0077524

English text will follow Korean 회사 소개 쿠팡은 고객 감동 실현을 위해 존재합니다. 고객들이 "쿠팡 없이 그동안 어떻게 살았을까?" 라고 말할 때, 비로소 우리의 미션을 실현하고 있음을 알 수 있습니다. 고객들의 쇼핑과 식사, 생활 전반을 편하게 만들겠다는 유일한 집념으로 쿠팡은 수억 달러 규모의 커머스 산업 전반의 혁신을 이끌고 있습니다. 쿠팡은 가장 빠르게 성장하는 리테일 기업 중 하나로, 국내 커머스 업계에서의 독보적인 입지와, 고객 신뢰를 구축했습니다. 쿠팡은 스타트업 문화를 기반으로 한 글로벌 대형 상장사라고 자부합니다. 이것이 창립 당시의 기민함을 유지하며, 신규 서비스를 끊임없이 출시하며 비즈니스를 확장해 나가는 우리의 성장 동력입니다. 쿠팡의 모든 임직원에게는 기업가 정신을 갖추고 새로운 혁신과 이니셔티브를 추진할 수 있는 기회가 주어집니다. 주저없이 일에 뛰어들어 성과를 이루고자 하는 과감성이, 바로 쿠팡이 일하는 방식의 본질입니다. 쿠팡에서는 여러분 자신, 동료, 팀 그리고 회사 전체가 매일 성장하는 모습을 목격할 것입니다. 쿠팡의 모든 직원은 커머스의 미래를 만들겠다는 쿠팡의 미션에 진심입니다. 우리는 고객의 문제를 해결해 나가고, 전통적인 관념과 통념에 맞서며 실현가능한 한계를 뛰어넘고 있습니다. 고가용성(Always-on) 과 최첨단의 앞선 기술(High-tech), 초연결사회(Hyper-connected world) 에서의 놀라운 업무 경험을 원하신다면, 지금 바로 쿠팡에 합류하세요. 직무 소개 쿠팡은 빠르게 성장하는 글로벌 기술 환경에서 보안 수준을 지속적으로 강화하기 위해 대규모 Security Platform 및 Security Capability를 설계하고 구축할 Staff Security Software Engineer를 찾고 있습니다. 이 포지션은 단순한 보안 운영 역할이 아닌, 대규모 분산 시스템과 보안 플랫폼을 직접 설계·개발하는 Hands-on Individual Contributor(IC) 역할입니다. 보안, 플랫폼, 인프라, 소프트웨어 엔지니어링 조직과 협업하며 회사 전반의 보안 역량을 향상시키는 솔루션을 구축하게 됩니다. 또한 새로운 기술과 AI 기반 보안 기술을 활용하여 보안 문제를 해결하고, 조직 전반의 기술 방향성에 영향을 미치는 역할을 수행하게 됩니다. 업무 내용 전사적으로 영향력 있는 Security Engineering 프로젝트를 리드하고 실행합니다. 복잡한 보안 문제를 해결하기 위한 확장 가능한 Security Platform 및 Distributed System을 설계하고 개발합니다. Security, Software Engineering, Infrastructure, GRC 조직과 협업하여 요구사항을 실제 서비스 수준의 솔루션으로 구현합니다. 시스템 아키텍처 설계 및 기술 리뷰를 주도하고 엔지니어링 모범 사례를 확산합니다. AI 및 차세대 보안 기술을 검토하고, PoC(Proof of Concept) 및 기술 검증을 수행합니다. 여러 팀에 걸쳐 기술적 리더십을 제공하고 엔지니어를 멘토링합니다. 자격 요건 컴퓨터공학 또는 관련 분야 학사 이상 학위 대규모 분산 시스템(Distributed Systems) 개발 경험을 포함한 8년 이상의 소프트웨어 엔지니어링 경력 복잡한 Cross-functional 프로젝트를 주도한 기술 리더십 경험 Java, Go, Python, C++ 중 하나 이상의 프로그래밍 언어 활용 능력 확장 가능하고 안정적인 플랫폼 및 서비스 설계·구축·운영 경험 분산 시스템, 시스템 아키텍처, 성능 및 안정성에 대한 깊은 이해 AWS 환경 경험 및 IAM, Access Control, Logging 등 보안 관련 기술 이해 우대 사항 Security Engineering 경험 (Vulnerability Management, IAM (Identity & Access Management), Application Security, Data Security, Detection & Response, Security Automation, GRC 관련 기술 솔루션 개발) 대규모 Security Product 또는 Security Platform 개발 경험 AI 기술을 활용한 Security Solution 또는 개발 생산성 향상 경험 여러 조직에 걸친 아키텍처 및 기술 전략 수립 경험 대규모 서비스 환경에서 확장성(Scalability), 가용성(Availability), 성능(Performance) 문제를 해결한 경험 전형절차 • 서류전형 - 1차 면접 - 2차 면접 - 최종 합격 • 전형절차는 직무별로 다르게 운영될 수 있으며, 일정 및 상황에 따라 변동될 수 있습니다. • 전형 일정 및 결과는 지원서에 등록하신 이메일로 개별 안내 드립니다. 참고사항 • 본 공고는 모집 완료 시 조기 마감될 수 있습니다. • 지원서 내용 중 허위사실이 있는 경우에는 합격이 취소될 수 있습니다. • 취업 보호 대상자(보훈대상자, 장애인 등)는 관련 법률에 따라 채용우대를 받을 수 있습니다. • 직급과 담당 업무 범위는 후보자의 전반적인 경력과 경험 등 제반사정을 고려하여 변경될 수 있습니다. 이러한 변경이 필요할 경우, 최종 합격 통지 전 적절한 시기에 후보자와 커뮤니케이션 될 예정입니다. • 채용 및 업무 수행과 관련하여 요구되는 법령상 자격이 갖추어지지 않은 경우 채용이 제한될 수 있습니다. • 고용형태는 정규직으로 수습기간 12주를 포함합니다. 단, 업무상 필요한 경우에는 상기 수습기간을 적용하지 않거나 단축 또는 연장할 수 있습니다. 개인정보 처리방침 • 쿠팡 그룹은 입사지원자 개인정보 처리방침(아래 링크)에 따라 귀하의 개인정보를 수집하여 처리합니다. https://www.coupang.jobs/kr/privacy-policy 서류반환정책 1. 본 고지는 『채용절차의공정화에관한법률』 제11조제6항에 따른 것 입니다. 2. 당사 채용에 응시한 구직자 중 최종 합격이 되지 못한 구직자는 『채용절차의 공정화에 관한 법률』에 따라 제출한 채용서류의 반환을 청구할 수 있음을 알려 드립니다. 다만, 홈페이지 또는 전자우편으로 제출된 경우나 구직자가 당사의 요구 없이 자발적으로 제출한 경우에는 그러하지 아니하며, 천재지변이나 그 밖에 당사에게 책임 없는 사유로 채용서류가 멸실된 경우에는 반환한 것으로 봅니다. 3. 위2항 본문에 따라 채용 서류 반환 청구를 하는 구직자는 채용 서류 반환 청구서 [채용절차의 공정화에 관한 법률 시행규칙 별지 제3호 서식]를 작성하여 이메일 (recruitingops@coupang.com) 로 제출하면, 제출이 확인된 날로부터 14일 이내에 지정한 주소지로 등기우편을 통하여 발송해 드립니다. 이 경우 등기우편요금은 수신자 부담으로 하게 되오니 유념하시기 바랍니다. 4. 당사는 위2항 본문에 따른 구직자의 반환 청구에 대비하여 채용 여부가 확정된 날로부터 180일간 구직자가 제출한 채용서류 원본을 보관하게 되며, 그때까지 채용서류의 반환을 청구하지 아니할 경우에는 『개인정보 보호법』에 따라 지체 없이 채용서류 일체를 파기할 예정입니다. 5. 단, 위1항 내지 4항의 내용은 대한민국의 노동 관계 법령이 적용되는 경우에만 적용됩니다. 그 이외의 경우에는 적용되지 않습니다. Company Introduction We exist to wow our customers. We know we're doing the right thing when we hear our customers say, "How did I ever live without Coupang?" Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading 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 entrepreneurs 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. Role Overview We are looking for an experienced Staff Security Software Engineer to design and build scalable security platforms, and capabilities that strengthen Coupang's security posture. This is a hands-on individual contributor role for engineers who enjoy solving complex technical problems at scale. You will lead the design and implementation of distributed systems, influence technical direction across teams, and partner with security, platform, and software engineering organizations to deliver innovative solutions in the evolving security and AI landscape. What You Will Do Lead the design, development, and delivery of high-impact security engineering initiatives. Build scalable security platforms and distributed systems that address complex security challenges. Collaborate across Security, Engineering, Infrastructure, and GRC teams to translate ambiguous requirements into production-ready solutions. Drive architecture, technical design reviews, and engineering best practices. Evaluate emerging technologies, AI capabilities, and security solutions through prototypes and technical investigations. Mentor engineers and provide technical leadership across teams. Basic Qualifications 8+ years of software engineering experience building large-scale distributed systems. Strong technical leadership experience leading complex, cross-functional engineering initiatives. Proficiency in one or more programming languages such as Java, Go, Python, or C++. Experience designing, building, and operating highly scalable and reliable software platforms. Strong understanding of system architecture, distributed systems, performance, and reliability. Experience with cloud technologies, preferably AWS, including IAM, security controls, logging, and access management. Security engineering experience in one or more domains such as vulnerability management, GRC, application and data security, IAM, detection and response, or security automation. Preferred Qualifications Experience building security products, platforms, or services at scale. Experience leveraging AI technologies to improve security capabilities or engineering productivity. Track record of driving architecture and technical strategy across multiple teams and organizations. Experience solving large-scale availability, scalability, and performance challenges in production environments. Recruitment Process and Others Recruitment Process • Application Review - 1st Interview - 2nd 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. • 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. 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.

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 entrepreneurs 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. Role Overview As part of our Application Infrastructure org, this is a team building Coupang’s next-generation Real-Time Streaming & AI Platform that powers the end customer website and mobile apps . We are looking for a visionary Staff Software Engineer to lead the architectural design of a platform capable of processing over 100k+ events per second with sub-second, end-to-end latency . This system will serve as the central nervous system for Coupang, enabling real-time product and customer data and instant personalization. You will build a system that doesn't just meet industry standards but sets them, ensuring 5-6 nines availability while leveraging AI to optimize data flows and automate complex system behaviors. Responsibilities Architect for Velocity: Lead the end-to-end design of a distributed streaming engine. You will Build the Best Team and Help Them Grow by setting the gold standard for high-throughput, low-latency architectural integrity. Define Extreme Performance: Design for "5-6 nines" (99.9999% availability) at a throughput of 100k+ events/sec. You will Dive Deep into JVM tuning, memory management, and network I/O to ensure sub-second latency across global clusters. AI-Driven Streaming: Integrate AI/ML models directly into the stream processing path. Implement predictive scaling and intelligent load balancing to ensure we Wow the Customer through seamless, real-time platform responsiveness. Solve Hard Problems: Address challenges related to distributed consistency, at times, exactly-once processing guarantees, and backpressure management. You must Be Data-Driven to validate architectural decisions against massive, bursty traffic patterns. Lead with Influence: As a Staff Engineer, you will Influence without Authority , collaborating with domain teams to migrate legacy batch processes to real-time streaming architectures. Basic Qualifications Bachelor's degree in Computer Science, Electrical Engineering, Math, or a closely related field. 6+ years of experience in backend software development. Expert-level experience in Cassandra, TiDB, or DynamoDB Expert-level proficiency in Java and the Spring Framework. Demonstrated experience in building and maintaining highly available, distributed systems in cloud environments (AWS). Experience with high-volume messaging systems (e.g., Kafka, SQS). Preferred Qualifications Extensive Experience: 10+ years of professional software development experience building backend infrastructure that supports global-scale, real-time traffic. Performance Expert: Proven track record of optimizing JVM applications for ultra-low latency (<100ms p99s) and high concurrency. AI Integration: Experience or a strong architectural vision for using AI/ML to automate system-level functionality, such as real-time anomaly detection in data streams. Distributed Systems Expert: Deep understanding of the CAP theorem, consensus algorithms, and building fault-tolerant systems from the ground up. Observability Expert: Expertise in building highly observable systems using distributed tracing and advanced telemetry to proactively identify bottlenecks in the streaming pipeline. Recruitment Process and 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. Things 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. Privacy Notice Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located HERE . Document Return Policy 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 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. 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. Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

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 entrepreneurs 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. Role Overview As part of our Application Infrastructure org, this is a team building Coupang’s next-generation Real-Time Streaming & AI Platform that powers the end customer website and mobile apps . We are looking for a visionary Staff Software Engineer to lead the architectural design of a platform capable of processing over 100k+ events per second with sub-second, end-to-end latency . This system will serve as the central nervous system for Coupang, enabling real-time product and customer data and instant personalization. You will build a system that doesn't just meet industry standards but sets them, ensuring 5-6 nines availability while leveraging AI to optimize data flows and automate complex system behaviors. Responsibilities Architect for Velocity: Lead the end-to-end design of a distributed streaming engine. You will Build the Best Team and Help Them Grow by setting the gold standard for high-throughput, low-latency architectural integrity. Define Extreme Performance: Design for "5-6 nines" (99.9999% availability) at a throughput of 100k+ events/sec. You will Dive Deep into JVM tuning, memory management, and network I/O to ensure sub-second latency across global clusters. AI-Driven Streaming: Integrate AI/ML models directly into the stream processing path. Implement predictive scaling and intelligent load balancing to ensure we Wow the Customer through seamless, real-time platform responsiveness. Solve Hard Problems: Address challenges related to distributed consistency, at times, exactly-once processing guarantees, and backpressure management. You must Be Data-Driven to validate architectural decisions against massive, bursty traffic patterns. Lead with Influence: As a Staff Engineer, you will Influence without Authority , collaborating with domain teams to migrate legacy batch processes to real-time streaming architectures. Basic Qualifications Bachelor's degree in Computer Science, Electrical Engineering, Math, or a closely related field. 6+ years of experience in backend software development. Expert-level experience in Cassandra, TiDB, or DynamoDB Expert-level proficiency in Java and the Spring Framework. Demonstrated experience in building and maintaining highly available, distributed systems in cloud environments (AWS). Experience with high-volume messaging systems (e.g., Kafka, SQS). Preferred Qualifications Extensive Experience: 10+ years of professional software development experience building backend infrastructure that supports global-scale, real-time traffic. Performance Expert: Proven track record of optimizing JVM applications for ultra-low latency (<100ms p99s) and high concurrency. AI Integration: Experience or a strong architectural vision for using AI/ML to automate system-level functionality, such as real-time anomaly detection in data streams. Distributed Systems Expert: Deep understanding of the CAP theorem, consensus algorithms, and building fault-tolerant systems from the ground up. Observability Expert: Expertise in building highly observable systems using distributed tracing and advanced telemetry to proactively identify bottlenecks in the streaming pipeline. Recruitment Process and 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. Things 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. Privacy Notice Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located HERE . Document Return Policy 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 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. 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. Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

[회사 소개] 쿠팡은 고객 감동 실현을 위해 존재합니다 . 고객들이 " 쿠팡 없이 그동안 어떻게 살았을까 ?" 라고 말할 때 , 비로소 우리의 미션을 실현하고 있음을 알 수 있습니다 . 고객들의 쇼핑과 식사 , 생활 전반을 편하게 만들겠다는 유일한 집념으로 쿠팡은 수억 달러 규모의 커머스 산업 전반의 혁신을 이끌고 있습니다 . 쿠팡은 가장 빠르게 성장하는 리테일 기업 중 하나로 , 국내 커머스 업계에서의 독보적인 입지와 , 고객 신뢰를 구축했습니다 . 쿠팡은 스타트업 문화를 기반으로 한 글로벌 대형 상장사라고 자부합니다 . 이것이 창립 당시의 기민함을 유지하며 , 신규 서비스를 끊임없이 출시하며 비즈니스를 확장해 나가는 우리의 성장 동력입니다 . 쿠팡의 모든 임직원에게는 기업가 정신을 갖추고 새로운 혁신과 이니셔티브를 추진할 수 있는 기회가 주어집니다 . 주저없이 일에 뛰어들어 성과를 이루고자 하는 과감성이 , 바로 쿠팡이 일하는 방식의 본질입니다 . 쿠팡에서는 여러분 자신 , 동료 , 팀 그리고 회사 전체가 매일 성장하는 모습을 목격할 것입니다 . 쿠팡의 모든 직원은 커머스의 미래를 만들겠다는 쿠팡의 미션에 진심입니다 . 우리는 고객의 문제를 해결해 나가고 , 전통적인 관념과 통념에 맞서며 실현가능한 한계를 뛰어넘고 있습니다 . 고가용성 (Always-on) 과 최첨단의 앞선 기술 (High-tech), 초연결사회 (Hyper-connected world) 에서의 놀라운 업무 경험을 원하신다면 , 지금 바로 쿠팡에 합류하세요 . [업무 내용] 본 Engineering팀은 대만 쿠팡 Taiwan Coupang의 엔드투엔드 코어 서비스를 담당합니다. 구이 포지션은 Staff Engineer이자 테크 리드 및 아키텍트로서 코어 시스템이 더 유연하게 글로벌 비즈니스를 지원하고 다양한 지역에서 엔지니어링 작업이 보다 효율적으로 이뤄질 수 있도록 여러 도메인 엔지니어링 팀과 협력하여 시스템에 대한 오너십을 설정하고, 관련 툴을 구축하며, 시스템을 처리하고 재플랫폼(re-platform)합니다. Staff Engineer로서 시스템의 기저 리스크를 파악하고, 그와 관련된 포커스 영역의 전략 및 로드맵을 수립하며, 역량이 뛰어난 엔지니어들과 함께 수행 작업을 리드하여 마일스톤을 달성합니다. 여기에는 엔지니어링 효율성을 위해 복원성 강화와 필요한 툴, 모니터링 및 더 나은 테스팅 환경을 구축하는 작업이 포함됩니다. 고객에게 매끄럽고 몰입감 있는 쇼핑 경험을 제공할 수 있도록 사용자 중심의 기능을 개발하고 지속적으로 개선합니다. 복잡한 비즈니스 로직과 대규모 트래픽을 안정적으로 처리할 수 있도록 시스템의 성능과 확장성을 최적화합니다. 제품 관리자, 디자이너, 프론트엔드 엔지니어 등 다양한 직군과 긴밀히 협업하여 직관적이고 신뢰할 수 있는 사용자 경험을 구현합니다. 최신 프레임워크와 기술을 활용해 유지보수성과 확장성이 뛰어난 코드를 작성하며, 사용성, 접근성, 반응성을 고려한 개발을 지향합니다. 데이터 기반의 인사이트, A/B 테스트, 고객 피드백을 바탕으로 플랫폼을 지속적으로 개선하여 사용자 만족도와 비즈니스 성과를 향상시킵니다. [자격 요건] 컴퓨터 사이언스, 컴퓨터 엔지니어링, 전기/전자공학, 수학 또는 이에 준하는 전공 분야 학사 학위 이상을 갖추신 분 기초 알고리즘, 시스템 디자인, 대규모 분산 시스템 관련 경력 7년 이상이신 분 Java 또는 그와 비슷한 언어로 코딩한 경력 5년 이상이신 분 대규모 실시간 서비스를 실무 단계에서 구축한 경험을 갖추신 분 비전 창조, 타 업무 영역에 영향력 발휘, 기술 조직이 야심찬 목표를 달성하도록 추진한 경험을 갖추신 분 요구사항이 빠르게 변하는 환경에서 적절한 트레이드오프와 함께 소프트웨어 프로덕트를 달성하는 탁월한 능력을 갖추신 분 강력한 오너십, 빠르고 능동적인 업무 방식, 추진력을 갖추신 분 뛰어난 구두 및 서면 커뮤니케이션 능력을 갖추신 분 글로벌 분산 팀과 긴밀히 협력한 경험을 갖추신 분 [우대 사항] 팀의 문화를 확립하고 팀 전반의 코드 품질을 관리한 경험을 갖추신 분 고가용성 시스템을 가동하고 모니터링하는데 필요한 것과 운영 우수성에 대한 이해도를 갖추신 분 S3, Kafka, EMR 등 AWS 기술을 사용하여 작업한 경험을 갖추신 분 주변 사람들과 기술 및 업무 양방면으로 함께 성장하려는 자세를 갖추신 분 전반적인 시스템과 프로세스 향상을 위해 업무 차원에서 상대방을 존중하면서 기존에 수립된 규범 및 기준에 이의를 제기하는 능력을 갖추신 분 다문화 및 교차기능적 팀에서 근무하는 능력을 갖추신 분 전형 절차 및 안내 사항 전형 절차 서류전형 - 1차 면접 - 2차 면접 – 최종 합격 전형절차는 직무별로 다르게 운영될 수 있으며, 일정 및 상황에 따라 변동될 수 있습니다. 전형 일정 및 결과는 지원서에 등록하신 이메일로 개별 안내 드립니다. 참고 사항 본 공고는 모집 완료 시 조기 마감될 수 있습니다. 지원서 내용 중 허위사실이 있는 경우에는 합격이 취소될 수 있습니다. 취업 보호 대상자(보훈대상자, 장애인 등)는 관련 법률에 따라 채용우대를 받을 수 있습니다. 직급과 담당 업무 범위는 후보자의 전반적인 경력과 경험 등 제반사정을 고려하여 변경될 수 있습니다. 이러한 변경이 필요할 경우, 최종 합격 통지 전 적절한 시기에 후보자와 커뮤니케이션 될 예정입니다. 채용 및 업무 수행과 관련하여 요구되는 법령상 자격이 갖추어지지 않은 경우 채용이 제한될 수 있습니다. 고용형태는 정규직으로 수습기간 12 주를 포함합니다. 단, 업무상 필요한 경우에는 상기 수습기간을 적용하지 않거나 단축 또는 연장할 수 있습니다 개인정보 처리방침 쿠팡 그룹은 입사지원자 개인정보 처리방침(아래 링크)에 따라 귀하의 개인정보를 수집하여 처리합니다. https://www.coupang.jobs/kr/privacy-policy/ 서류 반환 정책 본 고지는 『채용절차의공정화에관한법률』 제11조제6항에 따른 것 입니다. 당사 채용에 응시한 구직자 중 최종 합격이 되지 못한 구직자는 『채용절차의 공정화에 관한 법률』에 따라 제출한 채용서류의 반환을 청구할 수 있음을 알려 드립니다. 다만, 홈페이지 또는 전자우편으로 제출된 경우나 구직자가 당사의 요구 없이 자발적으로 제출한 경우에는 그러하지 아니하며, 천재지변이나 그 밖에 당사에게 책임 없는 사유로 채용서류가 멸실된 경우에는 반환한 것으로 봅니다. 위2항 본문에 따라 채용 서류 반환 청구를 하는 구직자는 채용 서류 반환 청구서 [채용절차의 공정화에 관한 법률 시행규칙 별지 제 3 호 서식]를 작성하여 이메일 ( recruitingops@coupang.com ) 로 제출하면, 제출이 확인된 날로부터 14 일 이내에 지정한 주소지로 등기우편을 통하여 발송해 드립니다. 이 경우 등기우편요금은 수신자 부담으로 하게 되오니 유념하시기 바랍니다. 당사는 위2항 본문에 따른 구직자의 반환 청구에 대비하여 채용 여부가 확정된 날로부터 180 일간 구직자가 제출한 채용서류 원본을 보관하게 되며, 그때까지 채용서류의 반환을 청구하지 아니할 경우에는 『개인정보 보호법』에 따라 지체 없이 채용서류 일체를 파기할 예정입니다. 단, 위 1항 내지 4항의 내용은 대한민국의 노동 관계 법령이 적용되는 경우에만 적용됩니다. 그 이외의 경우에는 적용되지 않습니다. [Company Introduction] We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading 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 entrepreneurs 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. [Responsibilities] This Engineering team owns end-to-end Taiwan Coupang core services. We started the team with a small group but the scope is large. This single team owns several domains now. As a staff engineer, as a tech lead and architect, you will be working with many domain engineering teams to build the ownership on systems, build the tools, process and re-platform the systems to make core systems to be more flexible to support global business and engineering work to be more efficient in different regions. As a Staff engineer, you will need to identify the underlying risks in our system and establish strategy and roadmap for these focus areas and lead the execution with talented engineers to achieve the milestones. It will include resilience improvement, building necessary tools, monitoring and better testing environments for engineering efficiency. Develop and maintain user-facing features, ensuring a seamless and engaging shopping experience for our customers. Optimize performance and scalability of high-traffic systems, handling complex workflows and large volumes of concurrent users. Collaborate cross-functionally with product managers, designers, and front0end engineers to deliver intuitive and reliable consumer experiences. Implement robust, maintainable code using modern frameworks and technologies, with a strong focus on usability, accessibility, and responsiveness. Continuously improve the platform through data-driven insights, A/B testing, and customer feedback to enhance user satisfaction and business growth. [Basic Qualifications] Bachelor's degree in Computer Science or Computer Engineering or electrical/electronic engineering, mathematics or equivalent 7+ years of solid work with fundamental algorithms, system design, and large distributed systems 5+ years of coding experience in Java or a similar language Hands-on experience in building large scale real-time service Demonstrated experience in creating a vision, influencing cross-functionally and driving a technology organization to meet ambitious goals Strong delivering software products competency in an environment that rapidly changing requirements with appropriate trade-off Strong sense of ownership, urgency, and drive Strong verbal and written communication skills Experience working closely with global distributed teams [Preferred Qualifications] Experience setting the culture of a team and ensuring code quality across a team Understanding of Operational Excellence and what it takes to run and monitor highly available systems Experience working with AWS technologies such as S3, Kafka, EMR, and others A desire to grow those around you both technically and professionally Ability to challenge, professionally and respectfully, the existing norms to improve overall systems and processes. Ability to work in multicultural, cross functional team [Recruitment Process and Others] Recruitment Process Application Review - 1st Interview - 2nd 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 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, 412 Achasan-ro 05050 Gwangjin-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. Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading 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 entrepreneurs 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. Role Overview The Search AI Product Engineering group is Coupang’s advanced product machine learning team. It keeps Coupang at the forefront of machine learning technology across multiple application areas including content understanding, recommendation, ranking and more. It is a high impact applied team that works on directly bringing that technology to the product in collaboration with product engineering teams. The main contribution of the team’s work is to drive top line metrics for wowing our customers and thriving Coupang business. What You Will Do Drive end-to-end Computer Vision and Machine learning methods that have a high degree of ambiguity, scale and complexity Build machine learning models, perform proof-of-concept, experiment, optimize and deploy your models into production. Establish scalable, efficient, automated processes for data analysis, machine-learning model development, model validation and serving. Run A/B experiments, gather data, and perform statistical analysis to develop insights that drive product requirements. Research new and innovative Computer Vision approaches that can have direct impact to Coupang business. Present results and explain methods to the leadership. Mentor junior engineers on the team and partner teams and help to uplevel ML talent across the company. Basic Qualifications 6+ years working experience in the engineering teams that build large-scale ML-driven user-facing products Extensive knowledge in deep learning and computer vision techniques. Experience with state of the art ML modeling techniques and approaches like transformers, self supervised pre-training, generative modeling, LLMs, etc. Hands-on experience training and applying models at scale using deep learning frameworks like PyTorch or Tensorflow. Successful candidates in this role need to be able to build bridge state of the art approaches to real world impact. Proficient coding skills in Java, C++ or Python Masters or PhD in Comp Sci or related fields Preferred Qualifications Experience in working on, backend and ML systems for large-scale user-facing products, and have a good understanding of how they all work. Experience in closely collaborating with other engineering teams to ship new ML technologies to improve recommendation, content understanding, and ranking systems at scale. The ideal candidate will possess the self-motivation, curiosity, creativity and initiative to achieve goals. Pay & Benefits Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $174,000K/year to $299,000K/year. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. General Description of All Benefits Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HSA) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of the Paid Time Off (PTO) a year based on the tenure 12 Public Holidays Paid Parental leave Pre-tax commuter benefits MTV - [Free] Electric Car Charging Station General Description of Other Compensation "Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. Recruitment Process and 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. Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. 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/privacy-policy/ Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers. If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com . Job Requisition ID : R0077659

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading 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 entrepreneurs 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. Role Overview The Search and Discovery team is responsible for creating a world class search and discovery shopping experience for our customers, from “intent” based shopping to delighting the customer with serendipitous product discovery on every visit. We are obsessed with optimizing the entire search customer journey, from query understanding and search relevance to personalized and category/mission aware search and recommendation experiences. We believe the experience of finding the right fresh groceries should be personal and different from shopping for a new laptop or your next pair of jeans. Search and Recommendations drive over 70% of product discovery for our millions of daily customers, so the scale and impact of our work is massive! Within S&D, the Data Science and Analytics team analyzes customer data to determine how our Search models should be designed. This includes assessing how customers interact with our search results, analyzing experiments, building predictive models, and much more. We partner with Product and Engineering to turn these insights into changes to our Search models. What You Will Do Ideate, build, and manage analytics and production data ETL/ELT systems for high-volume data ingestion from diverse sources Partner with Data Science, Engineering, and Product to enable reliable, accurate logging/implementation and usage of Search data Ensure data quality, observability, and reliability across the data lifecycle Optimize systems for performance, cost efficiency, and scalability Define and manage SLAs for data systems Ensure security and compliance of data per industry standards Basic Qualifications 6 years of relevant industry experience as a data engineer in a technology company Bachelor's degree in Computer Science or equivalent Proficiency in Data modeling, ETL, Python and SQL Preferred Qualifications 8+ years experience in data/engineering overall Experience with distributed processing technologies and frameworks and distributed storage systems (e.g. HDFS, S3) Experience with ETL schedulers (e.g. Airflow, Dagster, DBT) Experience with massive datasets, with an understanding of how to optimize data extraction Expertise in experimentation and statistics Understanding of ML concepts, and how different model configurations affect model outcomes Experience in e-commerce and/or search Pay & Benefits Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $164,000/year in our lowest geographic market to $282,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills and experience. General Description of All Benefits Annual bonus is 0-20% of the base salary Medical/Dental/Vision/Life, AD&D insurance Flexible Spending Accounts (FSA) & Health Savings Account (HAS) Long-term/Short-term Disability Employee Assistance Program (EAP) program 401K Plan with Company Match 18-21 days of Paid Time Off (PTO) a year based on the tenure 12 Paid Holidays Paid Parental leave Pre-tax commuter benefits MTV- [Free] Electric Car Charging Station General Description of Other Compensation “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary or wage scale. 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/privacy-policy/ Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender(including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at usrecruiting@coupang.com. Job Requisition ID: R0076110 Equal Opportunities for All Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.