Staff Back-end Engineer - Capacity and Performance Engineering

About UsCoupang exists to deliver exceptional customer satisfaction. When customers say, "How did I live without Coupang before?" we know we have fulfilled our mission. With a steadfast commitment to making shopping and dining seamless for our users, Coupang is at the forefront of innovating the multi-billion dollar e-commerce industry. As one of the fastest-growing e-commerce companies, we have established a unique position in the domestic commerce sector and built a foundation of customer trust.As a publicly traded company with a startup culture, Coupang prides itself on maintaining agility and continuously launching new services that drive our business growth. Every team member is empowered to embody an entrepreneurial spirit and drive innovation and initiatives. Taking bold actions to achieve results is at the heart of how we operate.

Company Overview At Coupang, we strive to amaze our customers. We know we’re on the right path when we hear them say, “How did we ever live without Coupang?” Our journey began with a passion for simplifying shopping, dining, and daily living, and we are revolutionizing the multi-billion-dollar commerce sector in South Korea. With an exceptional reputation as a dependable leader in the industry, we combine the agility of a startup with the resources of a large public company. This unique blend empowers us to grow and innovate at an unprecedented pace. We foster an entrepreneurial environment where our team is encouraged to explore new initiatives and innovations. Our culture is defined by boldness and ambition, allowing you to make a tangible impact in your work. At Coupang, you will witness growth in yourself, your colleagues, and the organization every day. Join us in our mission to shape the future of commerce. We challenge the limits of what’s achievable to solve pressing problems, aiming to redefine conventional trade-offs in a high-tech, hyper-connected world. Position Overview As a Staff Back-end Engineer within the Global Operations Technology (GOT) team, you will be instrumental in developing systems that enable Coupang to deliver products to customers within hours of their order. Your role will involve leveraging advanced algorithms to enhance the customer experience by ensuring timely deliveries, especially during peak periods. Key Responsibilities Architect and develop system solutions for Global Operations Technology to maintain stable operations. Build front and back office web services utilizing the Java platform. Identify dependencies across various domains and orchestrate system integrations. Research and implement new technologies that enhance development and operational efficiency. Apply optimization algorithms to determine the most cost-effective and rapid delivery methods based on established logic.

Company Overview At Coupang, we exist to create extraordinary customer experiences. When customers ask themselves, "How did I live without Coupang?" we know we are fulfilling our mission. Driven by a singular commitment to enhance our customers' shopping and dining experiences, Coupang is at the forefront of transforming the e-commerce landscape with billions of dollars in innovation. As one of the fastest-growing e-commerce companies, we have established a strong foothold in the domestic commerce sector, earning the trust of millions of customers. We pride ourselves on being a global public company rooted in a startup culture, maintaining our agility since inception. This growth mindset fuels our continuous service innovations and business expansion. All Coupang employees are empowered with an entrepreneurial spirit, given opportunities to drive new initiatives and innovations. The essence of working at Coupang lies in our boldness to dive into new tasks and achieve results.

About Us:Nitra is dedicated to revolutionizing the healthcare ecosystem by developing cutting-edge technology that enhances efficiency within the industry. Our mission is to empower healthcare professionals with innovative fintech and software solutions, allowing them to focus on what truly matters—providing exceptional patient care.Nitra offers an all-encompassing platform that includes vital credit and expense management tools, as well as a comprehensive medical supply marketplace. Our offerings are powered by advanced machine learning technologies, ensuring that physicians and medical clinics across the country have the resources they need to thrive.Founded by visionary entrepreneurs who successfully scaled their previous ventures to thousands of customers and achieved over $1 billion in public offerings, Nitra boasts a talented team with backgrounds from prestigious organizations including American Express, Plaid, and Goldman Sachs. Our work is further supported by top-tier venture capitalists such as Andreessen Horowitz and NEA, alongside a distinguished advisory board featuring cofounders from Square and Xendit, executives from Intuit, and high-level former government officials.At Nitra, we embrace a hybrid work model, with team members working in the office four days a week and enjoying a designated work-from-home day on Wednesdays.

쿠팡은 고객의 기대를 뛰어넘는 경험을 제공하기 위해 끊임없이 노력하고 있습니다. "쿠팡 없이 어떻게 살았을까?"라는 고객의 질문이 우리의 존재 이유를 부각시킵니다. 우리는 이커머스 산업에서 혁신을 주도하며, 국내 시장에서 독보적인 입지를 확립하고 있습니다.글로벌 대형 상장사로서 스타트업 문화를 바탕으로 기민하게 운영되고 있으며, 모든 직원들에게 기업가 정신을 발휘하여 혁신을 추구할 기회를 제공합니다. 쿠팡에서는 과감하게 도전하고 성과를 창출하는 것이 우리의 일하는 방식입니다.쿠팡페이 프론트엔드팀은 최상의 사용자 경험을 제공하기 위해 쿠페이 간편결제 서비스의 사용자 인터페이스(UI)를 개발하고 있습니다. 저희 팀은 복잡한 결제 서비스를 통합하여 사용자가 편리하고 신속하게 온라인 결제를 경험할 수 있도록 돕고 있습니다.

At Coupang, our existence revolves around delivering customer satisfaction. When customers say, "How did I live without Coupang before?" we know we have fulfilled our mission. With an unwavering commitment to making shopping, dining, and daily life more convenient, Coupang leads innovation across the multi-billion dollar e-commerce sector. As one of the fastest-growing e-commerce companies, we have established an unmatched position in the domestic commerce industry and built customer trust.Coupang proudly operates as a global publicly listed company rooted in a startup culture. This agility enables us to continuously launch new services and expand our business. Every employee at Coupang is empowered with an entrepreneurial spirit to drive new innovations and initiatives. The essence of working at Coupang lies in the courage to dive into work without hesitation and achieve results, allowing you to witness daily growth for yourself, your colleagues, your team, and the entire company.All employees at Coupang are genuinely dedicated to creating the future of commerce. We tackle customer challenges head-on, defy traditional norms, and push the boundaries of what is achievable. If you seek an incredible work experience in a hyper-connected world with high availability and cutting-edge technology, join Coupang now.Department Overview:The Global Operations Technology (GOT) team is responsible for overseeing and innovating Coupang's entire delivery and logistics system, particularly handling our rapid delivery service after an order is placed.The GOT team implements the latest delivery and logistics processes to provide fast and accurate service to customers, striving to realize the question, "How did we live without Coupang?" by building specialized services and processes using new technologies from a user perspective.

회사 소개 쿠팡은 고객 감동을 실현하기 위해 존재합니다. 고객들이 "쿠팡 없이 그동안 어떻게 살았을까?" 라고 말할 때, 비로소 우리의 미션을 실현하고 있음을 알 수 있습니다. 고객들의 쇼핑, 식사, 생활 전반을 편하게 만들겠다는 유일한 집념으로 쿠팡은 수억 달러 규모의 이커머스 산업에서 혁신을 이끌고 있습니다. 쿠팡은 빠르게 성장하는 이커머스 기업 중 하나로, 국내 커머스 업계에서 독보적인 입지를 구축했습니다. 쿠팡은 스타트업 문화를 기반으로 한 글로벌 대형 상장사입니다. 이는 창립 당시의 기민함을 유지하며, 신규 서비스를 끊임없이 출시하고 비즈니스를 확장하는 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 해결하고, 전통적인 관념과 통념에 도전하며 실현 가능한 한계를 뛰어넘고 있습니다. 고가용성(항상 연결된)과 최첨단 기술, 초연결 사회에서의 놀라운 업무 경험을 원하신다면, 지금 바로 쿠팡에 합류하세요. 직무 소개 Fulfillment Technologies System을 구축 및 운영하여 물류센터 전반의 프로세스를 통합 관리합니다. 입고, 진열, 재고, 집품, 출고 등 물류센터 업무 효율을 높이기 위한 프로세스를 구축합니다. 최신 물류 프로세스를 도입하여 운영 효율성을 극대화합니다.

At Coupang, we are driven by a singular mission: to delight our customers. We are passionate about transforming the e-commerce landscape and ensuring our users wonder how they ever lived without us. With an unwavering commitment to making shopping, dining, and living easier, we are redefining the multi-billion-dollar e-commerce market in South Korea.Our unique blend of a startup culture combined with the resources of a large global public company enables us to innovate rapidly and expand our services at an unprecedented pace. Here, entrepreneurial spirit thrives; we encourage every team member to take initiative and drive impactful projects. At Coupang, you will witness your own growth alongside that of your colleagues, your team, and the entire organization.Join us in our quest to shape the future of commerce. We are constantly pushing the limits to solve complex challenges and redefine traditional business paradigms. Become a part of Coupang and help us create extraordinary experiences in this fast-paced, tech-savvy, and hyper-connected world.

Overview Coupang is dedicated to astonishing our customers. We thrive when we hear feedback like, “How did we ever live without Coupang?” Our relentless pursuit of making shopping, dining, and living easier than ever is driving us to disrupt the multi-billion-dollar e-commerce industry from the ground up. As one of the fastest-growing e-commerce companies, we have established a formidable reputation as a dominant and trustworthy force in South Korean commerce. We take pride in combining the agility of a startup with the resources of a major global public company. This unique blend empowers us to maintain our rapid growth trajectory and launch innovative services swiftly. Our entrepreneurial spirit fosters an environment rich with opportunities to spearhead new initiatives and innovations. At Coupang, you will witness continuous growth—both personally and professionally—alongside your colleagues, your team, and the company. Our mission to shape the future of commerce is tangible. We challenge the limits of what is possible, tackling problems and overcoming traditional trade-offs. Join Coupang today and help us create extraordinary experiences in this ever-connected, high-tech world. Role Summary The Global Operations Technology (GOT) division is integral to ensuring Coupang can deliver products to customers within hours of placing their orders. GOT is committed to revolutionizing logistics through the development of an efficient delivery network at unprecedented scale and speed. As a Senior Staff Backend Engineer within GOT, you will harness advanced algorithms to enhance the customer experience by guaranteeing timely deliveries, even during peak shopping seasons. We seek a tech-savvy professional who can shape the technological direction across multiple teams, leveraging deep industry expertise and utilizing statistical and machine learning techniques to provide significant value to our customers. The ideal candidate will be pragmatic, resourceful, and ready to tackle challenges that may appear insurmountable, with a proven history of executing impactful projects. Key Responsibilities Lead the architectural design of Fulfillment Technologies aimed at scalability, future extensibility, and reliability. Develop and align with stakeholders on an appropriate roadmap and future technology direction for the Fulfillment Technologies team. Identify and mitigate technical challenges and organizational blockers. Break down complex problems into straightforward, actionable components.

Coupang is dedicated to delivering exceptional customer experiences. Our mission revolves around making shopping and dining more convenient for our customers, and we strive to achieve this every day. We are looking for a Staff Back-end Engineer to join our FC Automation team, where you will play a crucial role in enhancing our systems and processes.

Company Introduction At Coupang, we strive to astonish our customers every day. Our commitment to making shopping, dining, and living effortless has positioned us as a formidable force in the South Korean e-commerce landscape. We're on a mission to revolutionize the multi-billion-dollar e-commerce industry, and our rapid growth is a testament to our effectiveness and reliability. We blend the dynamism of a startup environment with the robust resources of a large, global public company, enabling us to innovate and launch new services at an impressive pace. As entrepreneurs at heart, we embrace opportunities to drive initiatives and foster innovation. At Coupang, you will witness your own growth, as well as that of your colleagues, your team, and the organization itself. Our vision for the future of commerce is not just a dream; it's our reality. We constantly challenge the status quo to tackle problems and redefine traditional boundaries. Join us in crafting extraordinary experiences in a high-tech, hyper-connected world. Organization Overview Transportation Technology:The Transportation Technology team is dedicated to developing processes that guarantee precise and swift delivery. Collaborating closely with major freight and transportation companies, we ensure that every shipment arrives at its intended destination. Our engineers are pivotal in fostering innovation by swiftly adapting to evolving business demands while keeping long-term company objectives in sight. Our focus on expansion opens doors to new markets and lasting impacts. Fulfillment Technologies:The Fulfillment Technologies team oversees comprehensive processes within fulfillment centers, creating systems that enhance efficiency in receiving, shelving, inventory management, picking, and shipping. Our goal is to provide fast and accurate services to our customers by implementing advanced logistics processes and automation. We emphasize user-centric services and leverage new technologies to develop innovative procedures. Responsibilities Lead the technical direction within the Global Ops Tech organization throughout the software development lifecycle. Participate actively in architectural evaluations for new platforms, services, and solutions within Coupang.

At Coupang, we are dedicated to delivering an extraordinary experience to our customers, who often ask, “How did we ever live without Coupang?” Our passion for making shopping, dining, and daily living easier has driven us to disrupt the multi-billion-dollar e-commerce industry from its roots. As one of the fastest-growing e-commerce platforms, we have earned a reputation as a dominant and dependable player in South Korea's commerce landscape. We pride ourselves on merging the agility of a startup culture with the robust resources of a large global public company. This unique blend empowers us to accelerate our growth and introduce innovative services at an unprecedented pace. Our team is filled with entrepreneurial spirits, constantly exploring new initiatives and innovations. At Coupang, you will witness your personal growth alongside that of your colleagues, your team, and the company. Our mission is to shape the future of commerce, pushing the limits of what is possible to tackle challenges and redefine traditional trade-offs. Join Coupang today to craft an unparalleled experience in this always-on, high-tech, and hyper-connected world. Role Overview: As a pivotal member of the Growth Engineering team, your primary objective will be to enhance the number of transacting customers while simultaneously increasing their purchase frequency and lifetime value. You will develop and refine core platforms and services that drive Coupang's growth and marketing efficiency. Our portfolio includes various platforms such as the Search Advertising Platform, Affiliate Platform, Display Targeting & Re-targeting Platform, CRM, Audience Platform, and Push Marketing Platform, among others. Opportunities for machine learning span areas like targeting, personalization, product & offer recommendations, budget optimization, real-time bidding, and fraud detection. In your role as a Staff Engineer, you will lead the architecture and development of a next-generation CRM platform, ensuring it provides comprehensive campaign management, from planning and target customer selection to promotion optimization and performance measurement. You will design a real-time decision engine to empower downstream services across the Growth Engineering ecosystem. Your technical expertise will play a crucial role in enhancing Coupang’s data-driven capabilities, aligning innovation with our strategic business goals.

Join our dynamic Treasury Team as a Global Financial Operations Manager, where you will play a crucial role in designing and establishing global financial processes, while supporting the establishment and operation of new corporate entities.Lead operations related to inter-company investments and capital increases, collaborating with institutions and banks, as well as ensuring compliance with regulatory reporting requirements.Manage cash reserves and oversee cash flow across Toss's global operations, reviewing and executing funding requests.Continuously enhance global financial processes, including intercompany transactions, funding, and expenses, while driving process advancements in preparation for new country expansions.Prepare financial documentation and communication for regulatory compliance, including license acquisition, corporate account openings, and KYC/AML responses.Design and implement the financial structure necessary for corporate establishment, including capital contributions and cash flow planning.

Join Coupang as a Staff Back-end Engineer and be a key player in shaping the future of our fintech platform. We are looking for passionate and skilled engineers to help us build innovative solutions that enhance our financial services. In this role, you will collaborate with cross-functional teams to design, develop, and maintain high-performance back-end systems.

About Coupang At Coupang, we are dedicated to delivering an extraordinary experience for our customers. Our vision is to create a world where customers wonder, “How did we ever live without Coupang?” With a deep commitment to transforming shopping, dining, and living, we are redefining the multi-billion-dollar commerce landscape in South Korea, establishing ourselves as a trusted leader. We take pride in our unique blend of a vibrant startup atmosphere supported by the resources of a large global public company. This combination empowers us to grow continuously and roll out new services at an unprecedented pace. We foster an entrepreneurial spirit, offering ample opportunities to drive innovative initiatives. Here at Coupang, you will witness personal, team, and company growth daily. Our aspiration to redefine the future of commerce is tangible. We challenge conventional boundaries to address challenges and innovate beyond traditional limitations. Join us at Coupang to shape a remarkable experience in this ever-connected, high-tech world. Role Overview: In our Growth Engineering division, we focus on expanding our customer base and enhancing purchase frequency and lifetime value. We develop essential platforms and services that enhance Coupang’s growth and marketing capabilities. Our portfolio includes the Search Advertising Platform, Affiliate Platform, Display Targeting & Retargeting Platform, CRM, Audience Platform, Push Marketing Platform, and various fundamental marketing services for user profiling, landing, tracking, and attribution. We utilize machine learning across these platforms for targeting, personalization, product recommendations, budget optimization, real-time bidding, creative enhancement, fraud detection, and more. As a Senior Staff Engineer in Coupang’s Growth Engineering team, you will play a crucial role in designing and developing a state-of-the-art CRM platform. You will spearhead projects to ensure the platform facilitates comprehensive campaign management, including campaign planning, customer targeting, promotion optimization, product selection, creative management, landing page creation, and campaign performance evaluation. Your role will involve designing a real-time decision engine that supports downstream services throughout the Growth Engineering ecosystem. Your expertise will be pivotal in advancing Coupang’s data-driven capabilities, aligning technical advancements with strategic business goals. Key Responsibilities:

Coupang is revolutionizing the shopping experience, aiming to impress every customer from the moment they launch the Coupang app to when their order arrives at their doorstep. With an exceptional end-to-end e-commerce and logistics network, coupled with a relentless focus on customer satisfaction, Coupang has eliminated the traditional trade-offs related to speed, selection, and pricing. We offer incredibly fast shipping on millions of items, including fresh groceries, delivered within hours, 365 days a year, to millions of consumers across Korea. As one of the largest and rapidly growing e-commerce markets globally, Korea presents immense opportunities.Recognized by MIT Technology Review as one of the '50 Smartest Companies in the World' and featured in Forbes magazine's '30 Global Game Changers,' Coupang was ranked second on CNBC’s ‘Disruptor 50’ list in 2020.Job OverviewCoupang Pay is transforming the digital payments landscape at scale—facilitating millions of secure transactions daily across Coupang.com, Coupang Eats, and our network of merchants and partners. We are developing fast, reliable, and innovative fintech solutions that cater to consumers and businesses in Korea and beyond.We are in search of a Senior Staff Software Engineer who is both a visionary technical leader and a practical builder. This position combines architectural oversight, full-stack development, and distributed systems expertise to create payment systems characterized by industry-leading scale, reliability, and speed.

Join Coupang's innovative Fintech Product Engineering team as a Senior Staff Back-end Engineer. We are looking for talented individuals who are passionate about building robust backend systems that power our financial services. Your expertise will play a vital role in enhancing our technology landscape and delivering exceptional experiences for our customers.Key Responsibilities:Design, develop, and maintain high-performance backend services.Collaborate with cross-functional teams to identify and resolve complex technical challenges.Implement best practices for software engineering, including code reviews, testing, and documentation.To apply, please ensure you complete the attached Internal Transfer Request Form using your Coupang email account.

About the RoleAt FuriosaAI, we are dedicated to advancing high-performance and energy-efficient AI systems through our innovative compiler technology. As deep learning models continue to diversify and evolve, the challenges of compilation become more complex. Our mission revolves around transforming these models into optimized executable programs while ensuring the integrity of their meaning and structure.We believe in establishing robust abstractions and well-organized compiler logic instead of relying solely on heuristics. This foundational approach ensures consistency in correctness, scalability, and performance throughout the compiler.In your role as a middle-end engineer, you will significantly influence the design of these abstractions and the operational framework of the compiler. This position demands a blend of analytical reasoning and innovative problem-solving to navigate the intricate challenges of compilation. Your contributions will be vital in creating a compiler that is both principled and pragmatic.

Company OverviewCoupang Pay, a spin-off from Coupang, is dedicated to meeting the growing demands of Coupang customers by providing seamless payment and financial services. Our focus is on delivering innovative payment and financial service solutions to all users of the Coupang platform, including customers purchasing from Coupang and Coupang Eats, sellers utilizing Coupang's open market, and partners of Coupang Eats. We have developed a one-touch payment service to enhance user experience and launched a deferred payment service to facilitate easier transactions for our customers.At Coupang Pay, our team members are rich in fintech experience, pioneering new opportunities at the intersection of finance and technology.We embrace core principles to guide our work:Wow the Customer: We hold customer trust sacred and prioritize their experience value.Dive Deep: No issue is too small; we focus on problem-solving and scrutinizing issues closely.Move with Urgency: We find answers through execution and avoid postponing decisions.Are you looking for a dynamic work environment where you can take initiative and grow? Join us on our journey at Coupang Pay!