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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 we 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 at 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: As a Senior Staff Software Engineer, Backend, you will work on distributed systems, and building next generation products. You will help the team to bring industry best practices in software development and operations while improving their engineering skills to build pioneering e-commerce experience in new global markets. Working closely with a group of engineers in multiple geographic locations, you’ll solve challenge problems at scale with high reliability. Your efforts will directly have an impact on tens of millions of users every single day! Key Responsibilities: Drive the highest quality of architecture and design of the system. Draw a roadmaps and vision for the scalable and robust growth of the prodcut Collaborate with other engineering teams to make the platform open and extensible to unlock innumerable opportunities for innovations. Align with stakeholders and lead engineers on mission critical projects. Decompose complex problems into simple, straightforward solutions. Leverage knowledge of internal and industry best practices in design. Deep-dive and handle critical system issues. Collaborate with other teams to make the platform open and extensible to unlock innumerable opportunities for innovations. Qualifications: Bachelor's degree and/or master’s degree in computer science or equivalent. Minimum 12 years of experience working on software design and development in Java,Python. Hands-on experience with designing, building, and deploying scalable, high available systems. Large system architecture design and development experience. Experience with cloud computing with AWS. Experience of developing container-based testing environment. Experience with Java / IntelliJ / Spring environment. Type of work model: · Hybrid - Our Hybrid work model: Coupang hybrid work model is designed to enable a culture of collaboration that acts a catalyst to enrich the experience of employees. Employees are required to work at least 2 days in the office per week, with the flexibility to work from home 3 days a week, depending on the role requirement. Some businesses may require more time in office due to nature of work. Details to consider · 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/

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. Key Responsibilities We are seeking a Sr. Staff Back-end Engineer who is both a visionary technical leader and a hands-on builder. This role combines architectural ownership, full-stack development, and distributed systems expertise to deliver payment systems with industry-leading scale, resiliency, and speed. Hands-on Architecture & Development Architect, design, and implement complex, distributed, cloud-native systems spanning frontend, backend, APIs, data pipelines, and infrastructure. Write and review production-grade code; optimize critical paths for performance, reliability, and correctness. Lead by example in code quality, observability, CI/CD, and security. Operate at Scale & Speed Deliver mission-critical features to millions of users with rapid iteration while maintaining high availability and data integrity. Optimize systems for concurrency, throughput, and cost efficiency under heavy global loads. Participate in on-call rotation and drive continuous improvements in reliability and incident prevention. Full-Stack & Distributed Systems Leadership Own large-scale payment microservices, event-driven pipelines, caching systems, and real-time APIs. Guide teams across web/mobile frontends, middleware, and backend services to ensure cohesive and performant experiences. Spearhead adoption of best practices in distributed computing, fault tolerance, and multi-region scaling. Innovation & Emerging Technology Drive adoption of AI/ML technologies—build or integrate AI agents and intelligent automations into payment workflows. Stay ahead of fintech innovation, evaluating and deploying new technologies to improve customer experience and system resilience. Leadership & Mentorship Mentor senior engineers and Sr.Staff-level peers, fostering a culture of innovation, technical rigor, and rapid delivery. Collaborate cross-functionally with product, design, and infrastructure leaders to shape both technical vision and product strategy. Basic Qualifications Bachelor’s degree in Computer Science, Software Engineering, or related field. 15+ years of software engineering experience, with proven success in large-scale distributed systems Deep expertise in full-stack development (Java, Go, Python, JavaScript/TypeScript, or equivalent) and core payment systems. Hands-on architecture and design experience with microservices, event-driven systems, APIs, and real-time data processing. Strong fundamentals in algorithms, data structures, concurrency, and system design. Proven ability to deliver rapidly and reliably in fast-paced, high-growth environments Preferred Qualifications Master’s or PhD in Computer Science or related technical discipline. Payment systems experience at top global fintech companies (e.g., Stripe, PayPal, Razorpay, JusPay, AliPay, Visa, Adyen, Square, Mastercard). Hands-on experience building and deploying AI Agents (GenAI, RAG, workflow automation, LLMs) into production-scale systems. Deep knowledge of distributed microservices, cloud-native architectures (Kubernetes, containerization, serverless), and multi-region scaling. Experience in dealing with and resolving the issues that occur when an organization grows in size and the systems get complicated Publications, patents, or open-source contributions in distributed systems, payments, or AI applications. Fluent English (Korean a plus); strong communication skills with global stakeholders. Why Coupang Pay? Shape the future of digital payments in one of the world’s fastest-growing e-commerce ecosystems. Own mission-critical systems serving millions of customers at global scale. Work in an inclusive, high-impact culture that values innovation, speed, and craftsmanship. Competitive compensation, equity, benefits, and continuous learning opportunities. Recruitment Process and Others: Recruitment Process Application Review - 1st Interview - Virtual Onsite Interviews - 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 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 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 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. Fulfillment Technology focuses on managing highly scalable systems for Coupang that includes Inventory and Warehouse Management systems. 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. Key Responsibilities: Demonstrate excellence resulting in scalable systems and services with the highest quality architecture and design. Responsible for designing, building, deploying and maintaining the core Workflow Platform Infrastructure. (e.g., Workflow Platforms - Temporal, Netflix Conductor etc.) 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. Minimum Qualifications: Bachelor's degree in Computer Science, Electrical Engineering, Math, or a closely related field 8 years of experience in backend software development Experience working in cloud environments, particularly AWS Demonstrated experience in building and maintaining highly available, distributed systems Preferred 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. 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. 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 $174,000/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. Annual 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: R0074201

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

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 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 at 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: As a Staff Software Engineer, Backend, you will work on distributed systems, data processing pipelines and building next generation platform and products. You will help the team to bring industry best practices in software development and operations while improving their engineering skills to build pioneering e-commerce experience in new global markets. Working closely with a group of engineers in multiple geographic locations, you’ll solve challenge problems at scale with high reliability. Your efforts will directly have an impact on tens of millions of users every single day! Key Responsibilities: Drive the highest quality of architecture and design of system. Draw a roadmaps and vision for the scalable and robust growth of the product. Collaborate with other engineering teams to make the platform open and extensible to unlock innumerable opportunities for innovations. Align with stakeholders and lead engineers on mission critical projects. Decompose complex problems into simple, straightforward solutions. Leverage knowledge of internal and industry best practices in design. Deep-dive and handle critical system issues. Collaborate with other teams to make the platform open and extensible to unlock innumerable opportunities for innovations. Qualifications: Bachelor's degree and/or master’s degree in computer science or equivalent. Minimum 10 years of experience working on software design and development in Java,Python. Hands-on experience with designing, building, and deploying scalable, high available systems. Large system architecture design and development experience. Experience with cloud computing with AWS. Experience of developing container-based testing environment. Experience with Java / IntelliJ / Spring environment. Type of work model: · Hybrid - Our Hybrid work model: Coupang hybrid work model is designed to enable a culture of collaboration that acts a catalyst to enrich the experience of employees. Employees are required to work at least 3 days in the office per week, with the flexibility to work from home 2 days a week, depending on the role requirement. Some businesses may require more time in office due to nature of work. Details to consider · 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/

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 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 at 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: As a Staff Software Engineer, Backend, you will work on distributed systems, data processing pipelines and building next generation platform and products. You will help the team to bring industry best practices in software development and operations while improving their engineering skills to build pioneering e-commerce experience in new global markets. Working closely with a group of engineers in multiple geographic locations, you’ll solve challenge problems at scale with high reliability. Your efforts will directly have an impact on tens of millions of users every single day! Key Responsibilities: Drive the highest quality of architecture and design of system. Draw a roadmaps and vision for the scalable and robust growth of the product. Collaborate with other engineering teams to make the platform open and extensible to unlock innumerable opportunities for innovations. Align with stakeholders and lead engineers on mission critical projects. Decompose complex problems into simple, straightforward solutions. Leverage knowledge of internal and industry best practices in design. Deep-dive and handle critical system issues. Collaborate with other teams to make the platform open and extensible to unlock innumerable opportunities for innovations. Qualifications: Bachelor's degree and/or master’s degree in computer science or equivalent. Minimum 8 years of experience working on software design and development in Java,Python. Hands-on experience with designing, building, and deploying scalable, high available systems. Large system architecture design and development experience. Experience with cloud computing with AWS. Experience of developing container-based testing environment. Experience with Java / IntelliJ / Spring environment. Type of work model: · Hybrid - Our Hybrid work model: Coupang hybrid work model is designed to enable a culture of collaboration that acts a catalyst to enrich the experience of employees. Employees are required to work at least 3 days in the office per week, with the flexibility to work from home 2 days a week, depending on the role requirement. Some businesses may require more time in office due to nature of work. Details to consider · 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/

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. 조직 소개 본 직무는 Coupang Ads 조직의 백엔드 개발자로서 쿠팡 광고 플랫폼의 새로운 기능을 개발 및 설계하는 역할을 수행하게 됩니다. 쿠팡은 세계 최고 수준의 광고 비즈니스를 구축하기 위한 투자를 하고 있으며, 쿠팡 웹사이트 및 모바일 앱 상에 위치한 주요 구좌에 연관성 있는 광고를 운영하고 있습니다. Coupang Ads 조직은 쿠팡의 판매자 및 공급자에게 셀프서비스 광고 운영 기능을 제공함으로써 쿠팡의 광고 솔루션을 보다 성장시키기 위한 차세대 프로덕트 및 서비스를 개발 중에 있습니다. Coupang Ads 조직은 쿠팡의 광고 상품을 구현할 수 있는 시스템과 인프라를 개발할 열정적인 소프트웨어 개발자를 찾고 있습니다. 본 직무에는 그린필드 프로젝트 개발과 낮은 레이턴시 및 고가용성(availability) 서비스, 확장가능한 시스템, 프로그래매틱 연동을 위한 API 개발이 포함됩니다. 또한, 풀기 어려운 문제를 파악 및 해결하여 시스템의 확장성(scalability)과 신뢰성(reliability)을 향상시키는 작업과 효율적인 리소스 운영도 요구됩니다. 낮은 레이턴시와 높은 확장성을 갖춘 분산 서비스 개발에 관심이 있으신 분, 세계 최고 수준의 쿠팡 광고 비즈니스 구축이라는 큰 기회의 일원이 되고 싶으신 분, Coupang Ads 조직은 이러한 서비스를 함께 개발할 리더를 찾고 있습니다. 업무 내용 비즈니스가 원하는 결과물을 기술적 솔루션으로 해석하고 구현하여 비즈니스의 니즈를 충족 광고주향 캠페인 관리와 리포팅을 위한 확장가능하고 고성능의 마이크로 서비스 기반의 백엔드 서비스 개발 설계, 개발 및 운영 프론트엔드 개발자, 제품 관리자, 데이터 분석가, UX 디자이너를 포함한 cross-functional 팀과 긴밀하게 협업하여 원활하고 효율적인 솔루션을 제공함 광고 플랫폼의 다양한 구성 요소와의 원활한 통합을 위해 강력하고 안전한 API를 구현 복잡한 문제를 간단하고 간단한 솔루션으로 분해하고 효율적으로 커뮤니케이션하여, 팀이 우선순위에 따라서 빠르게 움직일 수 있는 기술적인 해결책 도출 중요한 시스템 문제를 깊이 파고들어 유사한 근본 원인을 선제적으로 해결하고 운영 우수성의 기준을 제고 새로운 기술, 테크닉 및 업계 최신 동향을 조사 및 파악하며, 조직에 솔루션 제공 및 플랫폼 전반의 가치제안 및 효율 개선 개발, 개선 및 테스트 프로젝트의 요구사항 및 프로세스, 절차 정의 코드 리뷰를 수행하고 팀의 주니어 멤버를 멘토링 자격 요건 Computer Science/Engineering 관련 전공분야의 BA/BS 학위가 있는 분 알고리즘, 데이터 구조 및 설계 패턴에 대한 깊은 이해를 바탕으로 한 소프트웨어 개발 경력 8년 이상인 분 웹 기반 소프트웨어 아키텍쳐, 분산 시스템 및 메시지 기반 아키텍쳐에 대한 깊은 이해가 있는 분 RESTful, GraphQL, GRPC API 및 마이크로서비스 아키텍처 설계 및 개발에 대한 전문 지식이 있는 분 데이터베이스 시스템, 데이터 웨어하우징 개념 및 언어(SQL, NoSQL)의 경험이 있는 분 장애 허용 및 모니터링 기능이 있는 대규모 운영 시스템 경험이 있는 분 뛰어난 문제 해결 및 디버깅 기술을 보유한 분 효과적인 의사소통 능력과 팀에서 협업할 수 있는 능력이 있는 분 우대 사항 광고 및 이커머스 도메인 경험이 있는 분 적정 규모의 빅데이터 그리고/또는 머신러닝 경험이 있는 분 AWS, Azure 또는 Google Cloud와 같은 클라우드 플랫폼 경험이 있는 분 컨테이너화 및 오케스트레이션 도구(예: Docker, Kubernetes)에 대한 경험이 있는 분 소프트웨어 개발팀 리더 경력이 있는 분 애자일 소프트웨어 개발 경험이 있는 분 Spring, Java, Kotlin, Node.js, Kafka, Redis, Hive, Hadoop, Spark, ElasticSearch 에 대한 경험이 있는 분 전형 절차 및 안내사항 전형 절차 서류전형 > 1차 면접 > 2차 면접 모든 면접은 비대면 화상면접으로 진행됩니다. 전형 절차는 직무별로 다르게 운영될 수 있으며, 일정 및 상황에 따라 변동될 수 있습니다. 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 제반 사정을 고려하여 변경될 수 있습니다. 이러한 변경이 필요할 경우, 최종 합격 통지 전 적절한 시기에 후보자와 커뮤니케이션 될 예정입니다. 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 『채용절차의 공정화에 관한 법률』 제11조 제6항에 따른 것입니다. 당사 채용에 응시한 구직자 중 최종합격이 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. 위 2항 본문에 따라 채용서류 반환 청구를 하는 구직자는 채용서류 반환청구서[채용절차의 공정화에 관한 법률 시행규칙 별지 제3호 서식]를 작성하여 당사 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. 당사는 위 2항 본문에 따른 구직자의 반환 청구에 대비하여 채용 여부가 확정된 날로부터 180일 간 구직자가 제출한 채용서류 원본을 보관하게 되며, 그때까지 채용서류의 반환을 청구하지 아니할 경우에는 『개인정보 보호법』에 따라 지체 없이 채용서류 일체를 파기할 예정입니다. 채용 및 업무 수행과 관련하여 요구되는 법령상 자격이 갖추어지지 않은 경우 채용이 제한될 수 있습니다.

Korean text follows English 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 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 at 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. Role Overview The Global Operations Tech (GOT) organization is responsible for the systems that enable Coupang to reliably deliver to customers within hours of orders being placed. GOT is on a mission to innovate logistics by building an efficient delivery network at breakthrough scale and speeds. As a Staff Backend Engineer in GOT, you will leverage advanced algorithms to improve Coupang’s customer experience by ensuring ultra-fast deliveries are on time even during the busiest times of the year. What You Will Do Design and develop system architecture for Global Operations Technology to ensure stable operations. Develop front/back office web services based on the Java platform. Identify dependencies across multiple domains and develop system integrations. Evaluate and adopt new technologies to enable efficient development and operations. Implement optimization algorithms to find the most cost-effective and fastest delivery methods based on rule-based logic. Qualifications Experience developing web applications using Java and Spring Framework. 7+ years of programming experience. 5+ years of hands-on experience in web application development and operations, or equivalent capabilities. Interest in experiencing Coupang’s global-level logistics systems and diverse domains. Passion for developing high-availability systems that handle large-scale traffic in a microservices architecture (MSA) environment. Preferred Qualifications Experience or understanding of microservices architecture-based system development. Experience or understanding of service development and operations in cloud environments. Experience with asynchronous event-driven architecture for large-scale processing. Experience improving code quality through development best practices. Experience with ORM tools such as JPA or Hibernate and domain modeling. Experience developing e-commerce services. Experience with build/test/deployment automation. Experience handling large-scale data using NoSQL technologies (e.g., Memcached, Redis). 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. 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 is 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 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. 조직 소개 Global Operations Technology(GOT) 조직은 쿠팡의 배송, 물류 시스템 전체를 총괄하고 혁신을 이끌고 있는 조직으로 주문이 접수된 후 빠르고 정확하게 배송하는 로켓배송 시스템을 담당합니다. GOT 조직에서는 최신 배송, 물류 프로세스를 도입하고 고객에게 빠르고 정확한 서비스를 제공하고, 쿠팡없이 어떻게 살았을까?를 실현하기 위해 시스템을 구축하며, 사용자 관점의 특화된 서비스와 프로세스를 위해 신기술을 적용합니다. 업무 내용 Global Operations Technology 시스템 아키텍처 설계 및 개발을 통해 안정적인 운영 환경 구축 Java 기반 Front/Back Office 웹 서비스 개발 및 운영 다양한 도메인 간 의존성 정의 및 시스템 연동 개발 비즈니스 요구사항 기반 신규 기술 도입 검토 및 효율적인 개발/운영 환경 구축 고객 주문을 최소 비용으로 빠르게 배송하기 위한 최적화 알고리즘 설계 및 적용 자격 요건 Java 및 Spring Framework 기반 웹 애플리케이션 7년 이상의 개발 경력을 보유하신 분 대규모 웹 애플리케이션 개발 및 운영 경험을 보유하신 분 복잡한 도메인 및 대규모 시스템 환경에 대한 이해와 학습 의지가 있으신 분 MSA 환경 또는 대규모 트래픽/고가용성 시스템에 대한 관심이 높으신 분 우대 사항 Microservices Architecture 기반 시스템 개발 경험 또는 이해가 있으신 분 Cloud 환경에서의 서비스 개발 및 운영 경험이 있으신 분 비동기/Event-Driven Architecture 경험이 있으신 분 코드 품질 향상을 위한 개선 및 리팩토링 경험이 있으신 분 JPA, Hibernate 등 ORM 사용 및 도메인 모델링 경험이 있으신 분 E-Commerce 서비스 개발 경험이 있으신 분빌드/테스트/배포 자동화(CI/CD) 경험이 있으신 분 Redis, Memcached 등 NoSQL을 활용한 대용량 데이터 처리 경험이 있으신 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. 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.