Senior Frontend Engineer

Company Introduction We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce. We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day. 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 Eats Web Engineering is the core frontend team powering Coupang Eats, owning 16 web applications across five high-growth business verticals: Customer, Delivery, Merchant, Ads, and CRM, serving both Korea and Japan markets. As Coupang Eats rapidly expands in the O2O space, our team's scope continues to scale exponentially tackling challenges from high-concurrency ordering systems to real-time delivery tracking, from intelligent marketing platforms to merchant advertising solutions. Beyond delivering business features, we build internal platforms including Web Monitoring and Windows App CICD that drive engineering excellence across the organization. Our tech stack spans React, Vue, Next.js, and Node.js. As a Senior Frontend Engineer, you'll gain comprehensive growth opportunities: leading end-to-end architecture design, delivering cross-market projects, and building platform-level tooling. You'll collaborate closely with Product, Design, and Backend teams to ship complex systems, rapidly accumulate experience with large-scale user-facing products, and build a strong foundation for advancing into senior technical or leadership roles. What You Will Do Participate in the design and development of Coupang’s web platform and related products, ensuring delivered features have strong performance, maintainability, and scalability Work under the guidance of staff engineers to independently own the design and implementation of medium-complexity modules Take responsibility for module-level performance optimization, code quality improvements, and user experience enhancements Collaborate with cross-functional teams (design, backend, product, QA) to ensure efficient delivery of business requirements Help diagnose and resolve functional issues and performance bottlenecks in both pre-production and production environments Keep track of frontend technology trends and selectively introduce them to improve delivery efficiency and quality Basic Qualifications Bachelor’s degree and 5+ years of total experience 5+ years of web frontend development experience, with participation in large-scale internet application development and maintenance 1–2 years of experience as a core contributor or technical lead for projects, capable of independently delivering module-level design and implementation Proficiency in at least one mainstream frontend framework (React, Vue, etc.) and its ecosystem, with practical production experience Familiarity with backend API design and debugging workflows, with practical experience collaborating with backend teams Experience with frontend engineering tools (Webpack, Vite, Babel, CI/CD, etc.) Strong communication and cross-team collaboration sk ... (truncated, view full listing at source)