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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. Team Overview The Recommendations team optimizes the customer product discovery experience to drive long-term growth. As millions of shoppers encounter recommendations across every screen daily, these interactions account for over half of Coupang’s total sales alongside search, serving as a primary engine for key business initiatives. We focus on enhancing recommendation quality while providing our ranking systems as a platform for stakeholder teams company-wide. By leveraging state-of-the-art AI/ML technologies and building highly scalable systems, we aim to provide a "wow" discovery experience that anticipates customer needs even before they are explicitly expressed. About the Role As a Sr. Staff Machine Learning Engineer, you will drive the design, development, and evolution of our end-to-end recommendation systems, placing AI/ML innovation at the core of our recommendation quality. This role encompasses the full lifecycle of recommendations from architecting sophisticated ranking, retrieval, and relevance models to scaling the robust systems that power Coupang’s recommendations. You will partner with global cross-functional teams to own the customer discovery journey, continuously elevating the user experience through rigorous experimentation and the deployment of high-impact algorithms. If you are passionate about leveraging massive, real-time datasets and millions of customer interactions to drive tangible business and customer impact, and you want to solve genuine customer challenges through innovative AI/ML technology, this role is a perfect match for you. Key Responsibilities Strongly own the Recommendation service, one of the most critical for Coupang to make sure we are wowing customers constantly. Collaborate tightly with multiple global teams across the company to co-build a world class recommendation system Mine vast amount of data to gain insights from customer behavior Develop new Machine Learning models and features to create new recommendation algorithm or improve existing algorithms Create data jobs to generate Machine Learning features; build and train new models; run experiments to validate and launch new models Mentor and grow engineers across the teams. Qualifications Bachelor’s degree in Computer Science, Electrical Engineering, Mathematics, Statistics or closely related fields. Proven ability to derive actionable insights from complex datasets and solve business-critical problems using advanced AI/ML technologies. Demonstrated experience as a company-wide technical leader, driving cross-functional collaboration to deliver large-scale, high-impact solutions. 8+ years of professional experience in applied AI/ML with large-scale, complex datasets to extract robust features and create reliable machine learning models. Fast paced self-learner with proven track record of launching successful algorithms that drive measurable business impact. Professional proficiency in Python and/or Java with relevant industry experience. Excellent communication skills with professional proficiency in English. Preferred Qualifications Ph.D. or Master degree inComputer Science, Electrical Engineering, Mathematics, Statistics or related science majors Experience with Recommendation or Search Systems Experience with LLMs, PLMs, and embedding models Experience with cloud platforms such as AWS, GCP including services like Vertex AI Industrial experience working with online serving system working at scale Excellent communicator with great listening skills, growth mindset and can-do attitude 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. 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 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. 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.

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 You will be a part of the Observability Engineering team at Coupang to build and maintain monitoring solutions and application performance solutions. The Observability Engineering team's vision is to enable engineering teams to maintain and improve the quality of their services by providing clear visibility about their systems health, intelligence and actionable insights. We build services and tools to help detect, alert, and troubleshoot systems and applications anomalies, with metrics, logs and traces related to the health and reliability of Coupang services. You will have the opportunity to work with hyper-scale systems, build the next generation Observability Platform based on Kubernetes and other OSS solutions, as well as building software components from scratch. You would work directly with various engineering teams in Coupang, influence them with observability principles and best practices and see your impact directly. What You Will Do Design, implement, and maintain observability solutions such as monitoring, alerting, logging, and tracing across various platforms, applications, and infrastructure. Collaborate with cross-functional teams, including software engineers, SREs, and infrastructure teams, to identify and define observability requirements. Develop and implement best practices for creating and maintaining effective monitoring, alerting, and telemetry systems. Evaluate and recommend industry-leading observability tools and technologies to improve system visibility and reliability. Define and track key performance indicators (KPIs) and service-level objectives (SLOs) related to system availability, performance, and reliability. Assist in the troubleshooting and resolution of complex incidents and problems by analyzing data from observability tools. Provide guidance and mentorship to other engineers on observability principles, practices, and tools. Conduct ongoing evaluations of observability systems and identify opportunities for improvements and optimizations. Drive the standardization and simplification of observability processes, tools, and frameworks across the organization. Contribute to the development of training materials, documentation, and runbooks for observability systems and practices. Basic Qualifications Bachelor's degree in Computer Science, Electrical Engineering, Math, or a closely related field 8 years working experience in engineering teams that build large-scale distributed systems Strong experience in implementing and managing observability solutions in large-scale, complex environments. Deep knowledge of monitoring, alerting, and logging systems and tools, such as OpenTelemetry, Prometheus, Grafana stack, Elastic stack. Preferred Qualifications Experience with containerization and orchestration technologies, such as Docker and Kubernetes. Familiarity with application performance management (APM) tools, such as Dynatrace or AppDynamics. Professional certifications in cloud platforms, monitoring tools, or related technologies. Proficiency in at least one programming languages, such as Go, Java, Python, or Ruby. Familiarity with distributed tracing technologies, such as Jaeger or Zipkin. Experience with cloud-based infrastructure, including AWS, Azure, or Google Cloud Platform. Strong understanding of DevOps and SRE practices, including continuous integration, continuous delivery, and infrastructure as code (IaC). Strong problem-solving and analytical skills, with a focus on data-driven decision-making. A proven track record of leading and delivering successful observability projects and initiatives. 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 $174,00/year to $299,000/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 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: 8930

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 You will be a part of the Observability Engineering team at Coupang to build and maintain monitoring solutions and application performance solutions. The Observability Engineering team's vision is to enable engineering teams to maintain and improve the quality of their services by providing clear visibility about their systems health, intelligence and actionable insights. We build services and tools to help detect, alert, and troubleshoot systems and applications anomalies, with metrics, logs and traces related to the health and reliability of Coupang services. You will have the opportunity to work with hyper-scale systems, build the next generation Observability Platform based on Kubernetes and other OSS solutions, as well as building software components from scratch. You would work directly with various engineering teams in Coupang, influence them with observability principles and best practices and see your impact directly. What You Will Do Design, implement, and maintain observability solutions such as monitoring, alerting, logging, and tracing across various platforms, applications, and infrastructure. Collaborate with cross-functional teams, including software engineers, SREs, and infrastructure teams, to identify and define observability requirements. Develop and implement best practices for creating and maintaining effective monitoring, alerting, and telemetry systems. Evaluate and recommend industry-leading observability tools and technologies to improve system visibility and reliability. Define and track key performance indicators (KPIs) and service-level objectives (SLOs) related to system availability, performance, and reliability. Assist in the troubleshooting and resolution of complex incidents and problems by analyzing data from observability tools. Provide guidance and mentorship to other engineers on observability principles, practices, and tools. Conduct ongoing evaluations of observability systems and identify opportunities for improvements and optimizations. Drive the standardization and simplification of observability processes, tools, and frameworks across the organization. Contribute to the development of training materials, documentation, and runbooks for observability systems and practices. Basic Qualifications Bachelor's degree in Computer Science, Electrical Engineering, Math, or a closely related field 8 years working experience in engineering teams that build large-scale distributed systems Strong experience in implementing and managing observability solutions in large-scale, complex environments. Deep knowledge of monitoring, alerting, and logging systems and tools, such as OpenTelemetry, Prometheus, Grafana stack, Elastic stack. Preferred Qualifications Experience with containerization and orchestration technologies, such as Docker and Kubernetes. Familiarity with application performance management (APM) tools, such as Dynatrace or AppDynamics. Professional certifications in cloud platforms, monitoring tools, or related technologies. Proficiency in at least one programming languages, such as Go, Java, Python, or Ruby. Familiarity with distributed tracing technologies, such as Jaeger or Zipkin. Experience with cloud-based infrastructure, including AWS, Azure, or Google Cloud Platform. Strong understanding of DevOps and SRE practices, including continuous integration, continuous delivery, and infrastructure as code (IaC). Strong problem-solving and analytical skills, with a focus on data-driven decision-making. A proven track record of leading and delivering successful observability projects and initiatives. 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 $174,00/year to $299,000/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 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: 8930

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 이커머스 산업 전반의 혁신을 이끌고 있습니다. 쿠팡은 가장 빠르게 성장하는 이커머스 기업 중 하나로, 국내 커머스 업계에서의 독보적인 입지와, 고객 신뢰를 구축했습니다. 쿠팡은 스타트업 문화를 기반으로 한 글로벌 대형 상장사라고 자부합니다. 이것이 창립 당시의 기민함을 지하며, 신규 서비스를 끊임없이 출시하며 비즈니스를 확장해 나가는 우리의 성장 동력입니다. 쿠팡의 모든 임직원에게는 기업가 정신을 갖추고 새로운 혁신과 이니셔티브를 추진할 수 있는 기회가 주어집니다. 주저 없이 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 실현 가능한 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 최신 AI 기술을 활용하여 지능형 보안 및 리스크 탐지 시스템을 구축할 수 있는 뛰어난 Staff AI Engineer를 찾고 있습니다. 이 포지션에서는 기술 리더 및 보안 도메인 전문가들과 긴밀히 협업하며 AI 기반 조사(Investigation), 탐지(Detection), 자동화(Automation) 시스템의 설계, 개발 및 확장을 담당하게 됩니다. 대규모 운영 및 보안 텔레메트리 데이터를 분석하고, 실행 가능한 인사이트를 도출하며, 보안 의사결정의 속도와 품질을 향상시키는 시스템을 개발하게 됩니다. 본 포지션은 프로토타입 개발이 아닌 실제 운영 환경(Production)에서 동작하는 분산 AI 시스템 구축에 초점을 둔 실무 중심의 엔지니어링 역할입니다. 복잡한 기술적 문제를 해결하는 것을 즐기고, 프로젝트를 처음부터 끝까지 주도적으로 수행하며, 기술 설계를 안정적이고 확장 가능한 소프트웨어로 구현하는 엔지니어를 찾고 있습니다. 업무 내용 AI 기반 조사(Investigation) 시스템 개발 조사 및 분석 업무를 자동화하는 AI 워크플로우를 설계하고 개발합니다. 내부 도구, 데이터 소스 및 지식 저장소와 연계되는 에이전트 기반(Agent-based) 시스템을 구축합니다. AI 기반 워크플로우의 추론 품질, 안정성 및 성능을 지속적으로 개선합니다. Human-in-the-loop 기반 검토 및 피드백 메커니즘을 구현합니다. 탐지 및 리스크 분석 시스템 개발 의심스럽거나 고위험 활동을 탐지하기 위한 탐지 로직을 설계하고 구현합니다. 리스크 시그널(Risk Signal), 행동 분석(Behavioral Analytics), 이상 탐지(Anomaly Detection) 기능을 개발합니다. 다양한 텔레메트리 데이터를 결합하여 실행 가능한 인텔리전스로 전환하는 시스템을 구축합니다. 기존 탐지 기능의 품질과 탐지 범위를 지속적으로 개선합니다. 데이터 및 시그널 파이프라인 개발 AI 및 분석 워크로드를 위한 확장 가능한 배치(Batch) 및 스트리밍(Streaming) 데이터 파이프라인을 구축합니다. AI 모델 및 탐지 시스템에서 활용되는 피처 엔지니어링(Feature Engineering) 워크플로우를 개발합니다. 조사, 자동화 및 리스크 평가를 지원하는 데이터 제품(Data Product)을 구축합니다. 데이터 품질, 관측 가능성(Observability) 및 운영 안정성을 향상시킵니다. Production AI 서비스 개발 AI 애플리케이션을 지원하는 API, 백엔드 서비스 및 분산 시스템을 설계하고 구현합니다. AI 워크플로우의 배포, 평가 및 운영을 단순화할 수 있는 프레임워크를 개발합니다. 운영 환경의 시스템을 모니터링하고 안정성 또는 품질 이슈를 해결합니다. 아키텍처 논의 및 기술 설계 리뷰에 참여하여 엔지니어링 품질 향상에 기여합니다. 자격 요건 소프트웨어 엔지니어링 경력 6년 이상 Python 기반 Production 백엔드 시스템 개발 경험 머신러닝, AI, 대규모 데이터 처리 시스템 또는 분석 플랫폼 개발 경험 분산 시스템 및 클라우드 네이티브 아키텍처에 대한 높은 이해도 API 설계 및 확장 가능한 서비스 개발 경험 요구사항 정의부터 Production 배포까지 프로젝트를 독립적으로 수행할 수 있는 역량 우대 사항 LLM, RAG(Retrieval-Augmented Generation), AI Agent 개발 경험 Fraud Detection, Trust & Safety, Identity Security, Security Engineering 또는 Risk Management 시스템 개발 경험 Feature Engineering 및 대규모 데이터 처리 경험 Detection Engineering, SIEM, SOAR 또는 Security Analytics 플랫폼에 대한 이해 AI 시스템의 Production 환경 배포 및 운영 경험 인증(Authentication), 계정 보안(Account Security), 행동 분석(Behavioral Analytics) 관련 지식 전형 절차 및 안내 사항 전형 절차 서류전형 - 전화면접 - 대면(화상)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. 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.

English version follows the 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 이커머스 산업 전반의 혁신을 이끌고 있습니다. 쿠팡은 가장 빠르게 성장하는 이커머스 기업 중 하나로, 국내 커머스 업계에서의 독보적인 입지와, 고객 신뢰를 구축했습니다. 쿠팡은 스타트업 문화를 기반으로 한 글로벌 대형 상장사라고 자부합니다. 이것이 창립 당시의 기민함을 지하며, 신규 서비스를 끊임없이 출시하며 비즈니스를 확장해 나가는 우리의 성장 동력입니다. 쿠팡의 모든 임직원에게는 기업가 정신을 갖추고 새로운 혁신과 이니셔티브를 추진할 수 있는 기회가 주어집니다. 주저 없이 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 실현 가능한 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 쿠팡의 AI Security Architect는 인공지능 및 머신러닝 플랫폼 전반의 보안 아키텍처를 설계, 정의, 관리하는 핵심 역할을 수행합니다. 본 포지션은 전사 차원의 AI 보안 표준 아키텍처, 모델 안전성 프레임워크, 리스크 거버넌스 체계를 수립하며, 쿠팡의 리더십 원칙과 문화를 실천하는 기술 리더로서 차세대 AI 인프라에 Secure-by-Design 원칙을 내재화합니다. 업무 내용 • AI/ML 플랫폼의 보안 아키텍처 설계 및 확장 • 엔드투엔드 보안 설계 수립, 복잡한 AI 파이프라인 위협 모델링, 모델 생애주기 전반에 대한 보안 표준 정의 • 데이터 기반 AI 리스크 관리 및 위협 거버넌스 체계 수립 • 보안 위험 지표 정의, 플랫폼 보안 수준 평가 및 조직 목표와의 아키텍처 정합성 확보 • Principal Software Engineer, Enterprise Architect, 개발 조직 리더 등 주요 이해관계자와의 긴밀한 협업 관계 구축 • LLM Guardrails, Agentic System, 실시간 데이터 프라이버시, Cloud MLOps 등 차세대 AI 플랫폼의 보안 요구사항에 대한 전문성 확보 • 변화하는 기술 환경 및 위협 요소에 신속하게 대응하고 AI 보안 아키텍처 혁신 주도 시스템 설계 검토, 고위험 아키텍처 감사, 기술 거버넌스 표준 수립을 통한 데이터 유출·모델 • 역설계(Model Inversion)·파이프라인 침해 방지 • 개발 생산성과 시스템 안정성 향상을 위한 보안 프레임워크, 자동화된 컴플라이언스 체계 및 고위험 보안 리뷰 가이드 제공 자격 요건 • 컴퓨터공학, 정보보호, 컴퓨터공학 관련 분야 학사 이상 보유자로 기술 분야 경력 6년 이상을 보유하신 분 • 엔터프라이즈 아키텍처, 클라우드 보안 또는 소프트웨어 보안 설계 분야의 실무 경험을 보유하신 분 • AI/ML 시스템, AWS/GCP/Azure 기반 클라우드 인프라에 대한 깊은 아키텍처 이해를 보유하신 분 • Prompt Injection, Model Theft, Data Poisoning, OWASP Top 10 for LLMs 등 AI 특화 보안 위협에 대한 전문 지식을 보유하신 분 • 분산 환경의 복잡한 애플리케이션을 위한 위협 모델, 보안 표준, 참조 아키텍처 설계 경험을 보유하신 분 • 체계적인 사고와 창의적 문제 해결 능력을 바탕으로 대규모 아키텍처 과제를 해결하실 수 있는 분 • 다양한 조직과 협업하며 합의점을 도출하고 영향력을 발휘하실 수 있는 분 • 경영진 및 시니어 기술 리더를 대상으로 효과적인 커뮤니케이션을 통해 보안 전략을 추진하실 수 있는 분 우대 사항 • SABSA, TOGAF, CISSP-ISSAP, CCSP 등 보안 또는 아키텍처 관련 전문 자격증을 보유하신 분 • AI/ML 시스템 구축 및 운영 경험을 보유하신 분 • 개인정보 보호, 기밀 컴퓨팅(Confidential Computing), 차등 프라이버시(Differential Privacy), 데이터 보호 규제 관련 전문성을 보유하신 분 • AI 모델 내 개인정보(PII) 처리 및 보호 체계 수립 경험을 보유하신 분 • 빠르게 성장하는 테크 기업, 대규모 이커머스 환경 또는 글로벌 클라우드 환경에서 AI 보안 혁신을 주도한 경험을 보유하신 분 • Zero Trust 기반 AI 플랫폼 구축 또는 보안 아키텍처 전환 경험을 보유하신 분 전형 절차 및 안내 사항 전형 절차 서류전형 - 직무 적합성 인터뷰 - 핵심 역량 인터뷰 - 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. 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. Role Overview Coupang’s AI Security Architects play a critical role in safeguarding our technology ecosystem by designing, defining, and governing the enterprise-wide security architecture for all artificial intelligence and machine learning platforms. As a AI Security Architect, you will establish standard reference architectures, model safety frameworks, and risk governance protocols across the organization. You will act as a principal technical leader and ambassador, championing Coupang’s leadership principles while embedding secure-by-design standards into our next-generation AI infrastructure. What You Will Do Architect and scale secure AI/ML foundations for Coupang’s rapidly expanding business by designing end-to-end security blueprints, threat modeling complex pipelines, and establishing enterprise standards for secure model lifecycles. Employ a data-driven approach to AI risk management and threat governance. Define key security risk metrics, evaluate platform posture, and ensure architectural alignment with organizational objectives . Build close relationships with key stakeholders, including principal software engineers, enterprise architects , development leaders . Acquire in-depth knowledge of the business domains and specialized security demands for emerging technology platforms (e.g., LLM guardrails, agentic systems, real-time data privacy, and secure cloud MLOps infrastructure). Rapidly respond to our evolving technical and threat landscape, aggressively driving architectural innovations to create a world in which our customers ask, “How did I ever live without Coupang?” Improve the AI security ecosystem by reviewing system designs, auditing high-risk architectures, and authoring technical governance standards to prevent data leakage, model inversion, and pipeline compromise. Enhance developer efficiency and system reliability by delivering friction-free security frameworks, automated compliance patterns, and guidance during high-severity architectural security reviews. Basic Qualifications Bachelor’s degree in computer science , Cybersecurity, Computer Engineering, or a related field, and 6+ years of total experience in technology, with significant focus on enterprise architecture, cloud security, or software security design. Deep architectural knowledge of AI/ML systems, cloud infrastructure (AWS/GCP/Azure), and specialized security threats unique to AI (e.g., prompt injection, model theft, data poisoning, and OWASP Top 10 for LLMs). Demonstrated experience authoring threat models, enterprise security standards, and secure reference architectures for complex, distributed applications. Ability to solve high-impact architectural challenges through systemic thinking, creative problem-solving, and cross-team consensus. Ability to influence senior technical leaders and drive strategic security adoption across business units through executive-level communication. Preferred Qualifications Recognized industry credentials in architecture or security (e.g., SABSA, TOGAF, CISSP-ISSAP, CCSP) alongside demonstrated hands-on experience with AI/ML systems. Deep expertise in regulatory compliance, confidential computing, differential privacy, and data protection regulations (e.g., PII handling in AI models). Experience leading AI security transformation or building zero-trust AI platforms within a high-growth tech company, large-scale e-commerce ecosystem, or global cloud environment. 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@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 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.

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 이커머스 산업 전반의 혁신을 이끌고 있습니다. 쿠팡은 가장 빠르게 성장하는 이커머스 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. 주저 없이 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 실현 가능한 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 쿠팡 주식회사에서 분사한 쿠팡페이는 늘어나는 쿠팡 고객의 니즈에 부응하기 위해 개발된 맞춤형 전자결제대행서비스(PG)를 제공합니다. 쿠팡페이는 쿠팡 및 쿠팡이츠에서 물건을 구매하는 고객부터 쿠팡의 오픈마켓을 이용하는 판매자 그리고 쿠팡이츠 가맹점까지 쿠팡의 플랫폼을 이용하는 모든 이들에게 혁신적인 결제 및 금융 서비스 솔루션을 제공하는 데 중점을 두고 있습니다.핀테크 분야에서 풍부한 경험을 쌓고 쿠팡 사업에 대해 그 누구보다 잘 알고 있는 직원들과 함께 쿠팡페이는 고객의 결제와 관련된 모든 경험들을 혁신하고자 합니다. 쿠팡페이에 대해 더 알고 싶으신가요? 쿠팡페이의 여정에 함께 하세요. 서울에 본사를 둔 쿠팡페이 제품 엔지니어링 팀은 제품 개발, 출시 및 관리를 진행하고 있으며 매일 고객을 열광시키고 있습니다. 혁신적인 고객 경험을 제공하는 소프트웨어를 만들고 확장시킨 경험이 풍부한 숙련된 소프트웨어 설계자를 찾고 있습니다. 업무 내용 쿠팡페이 Product 앱들의 설계를 리드하고 구현합니다. 시니어/주니어 개발자들과 함께 시스템 디자인 논의에 참여하고 리드합니다. 미션 크리티컬 프로젝트에서 엔지니어를 이끌고 복잡한 비즈니스 문제를 빠르게 해결합니다. 시니어/주니어 개발자들의 멘토로서 성장을 이끕니다. 혁신적인 소비자용 모바일 프로덕트 개발을 위한 최고의 프로그래밍 기술을 제공합니다. 자격 요건 팀 플레이어 Java 또는 Kotlin으로 Android 코딩 개발 경력 최소 6년 이상 고품질의 대규모 소비자 앱 개발 경험이 있는 분 미션 크리티컬 시스템 제공에 대한 입증된 실적. B2C 비지니스 도메인에 대한 경험. 컴퓨터 공학 또는 관련 기술 분야의 학사 학위를 소지한 자 우대 사항 Payment 도메인에서 근무 경력. Cross-Platform(Flutter) 기반의 모바일 개발 경험 빠르게 변화하는 환경에서 여러 경쟁 우선 순위를 처리 할 수있는 능력 Product을 구현하는 것에 대한 강한 열정. 애자일 소프트웨어 방법론이 익숙하신 분 전형 절차 및 안내 사항 전형 절차 서류전형 - 전화면접 - 대면(화상)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@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.

[Global Ops Tech] Staff, Back-end engineer (FEX) 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’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. 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 Coupang relies on technology to provide on-time, fast delivery of products to customers every day. Fulfillment Execution (FEX) organization optimizes the real-time distribution of customer orders to FCs nationwide and supports the most efficient order fulfillment process. Building highly available and scalable systems to handle billions of order & delivery transactions and support Coupang’s rapidly growing Product Commerce business is a complex architectural challenge. We are responsible for delivering products to millions of online shopping customers by improving order reconciliation with technology. To deliver on this challenge, we are looking for an experienced and passionate engineer who can design and build large-scale, multi-tiered, distributed services. Basic Qualifications Bachelor’s degree and 7+ years of total experience Design, build, deploy, and maintain the core Workflow Platform infrastructure, including Temporal, Netflix Conductor, and other distributed workflow orchestration systems Architect and deliver highly scalable, resilient, and high-performance platform services with exceptional system design and engineering excellence Benchmark, measure, and optimize platform performance by collecting metrics, publishing results, and driving continuous improvements in reliability, throughput, and latency Ensure platform availability and operational excellence through observability, monitoring, alerting, incident management, and 99.995% uptime objectives Estimate, provision, and scale infrastructure capacity to support diverse customer workloads while optimizing performance and cost efficiency Develop and operate mission-critical backend services and distributed systems in AWS using Java, Spring Framework, and modern cloud-native practices Investigate and resolve complex system issues, identify root causes, implement preventive measures, and continuously raise the operational excellence bar Collaborate with cross-functional engineering teams to build open, extensible platform capabilities and deliver innovative solutions at scale Preferred Qualifications Lead, coach, and develop high-performing software engineers while fostering a culture of accountability, collaboration, and continuous growth Communicate and collaborate effectively with end users, business stakeholders, and technical teams to gather requirements and deliver solutions that achieve business objectives Drive technical design discussions and guide engineering teams through architecture, implementation, and delivery of scalable solutions Champion Agile software engineering best practices, including coding standards, code reviews, testing, CI/CD processes, and live-site operations Demonstrate leadership in highly collaborative, cross-functional environments to align priorities and successfully execute strategic initiatives Solve complex business and technical challenges through creative thinking, data-driven decision making, and strong partnerships across teams 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 $162,000/year in our lowest geographic market to $220,000/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 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 Application Review - Application Review - Job Fit Interview - Focus 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: R0076541

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 Coupang relies on technology to provide on-time, fast delivery of products to customers every day. Fulfilment Platform organization comprises critical services and platforms that take care of delivering customer orders optimally right from the moment the order is placed up until it is successfully delivered at the doorstep of the customer. Building highly available and scalable systems to handle billions of order & delivery transactions and support Coupang’s rapidly growing Product Commerce business is a complex architectural challenge. We are responsible for delivering products to millions of online shopping customers by improving order reconciliation with technology. To deliver this challenge, we are looking for an experienced and passionate engineer who can design and build large-scale, multi-tiered, distributed services. Key Responsibilities Demonstrate excellence resulting in scalable systems and services with the highest quality architecture and design. Responsible for benchmarking the Platform, collecting metrics & publishing results. Responsible for measuring & ensuring reliability and uptime of the Platform with 99.995% guarantees. Responsible for capacity estimation & provisioning of cluster for different customer workloads. Responsible for production incident Monitoring & Alerting for the Platform. Detail oriented and hands on engineer who can analyze OSS Platform components and code. Dive deep into critical system issues, proactively addressing similar root causes, and raise the bar on Operational Excellence. Exposure to one of the SQL or NoSQL database systems. (Cassandra, MySQL etc.) Collaborate with other teams to make the platform open and extensible to unlock innumerable opportunities for innovations. Qualifications 10+ years of experience working directly within engineering teams in a fast-moving environment. 10+ years of experience in developing and operating backend services and web applications. Experience building complex, high-performance, and highly available distributed software systems that have been successfully delivered to customers. Strong familiarity developing with Java and Spring Framework as well as experience in an AWS environment. Extensive experience in managing mission critical services with high throughput and low latency. Preferred Qualifications Solid engineering skills as a lead engineer to coach and lead high performing software engineers and keep them motivated. Excellent communication skills to shepherd communication with end users, technical & business teams to collect requirements, describe product features, and develop technical designs to achieve business goals. Knowledge of Agile software engineering practices & patterns for the full software development lifecycle including coding standards, code reviews, build processes, testing, and live site operations. Demonstrated leadership in cross-functional, highly collaborative environment. Basic Qualifications: Bachelor’s degree and 7+ years of total experience Ability to solve problems through creative thinking and partnerships with other teams Ability to attain challenging targets through goal-setting and personal drive 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 to $282,000/year. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. A nnual bonus is 0-20% of the base salary. 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 Up to 6 weeks of 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. 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: R0073055