Sr. Staff Back-End 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 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.  Senior Staff Architect – Labor & Workforce Systems (LFS) Role Overview We are looking for a Senior Staff Engineer to lead the architecture and technology strategy for our Labor & Workforce Systems (LFS) platform. This role will own the end-to-end architecture supporting workforce forecasting, manpower planning, labor deployment, incentive management, staffing optimization, attendance, scheduling, and workforce operations. The platform sits at the heart of business execution, enabling efficient workforce utilization while balancing cost, productivity, compliance, and fulfillment center and logistics worker experience. As a senior technical leader, you will drive the design of highly scalable systems that manage the entire workforce lifecycle, from demand forecasting and labor planning through deployment, scheduling, time tracking, performance incentives, and operational execution. You will partner with Operations, Product, HR, Finance, and Engineering leaders to solve complex workforce challenges that have direct impact on business performance, operational efficiency, labor costs, and customer experience. What You Will Do Workforce Forecasting & Planning Architect demand forecasting systems that predict workforce needs across business units and locations. Design labor planning solutions that translate forecasted demand into staffing requirements. Enable capacity planning, headcount modeling, and scenario-based workforce optimization. Incentive Management Build platforms that manage complex incentive programs tied to productivity, quality, attendance, and operational KPIs. Design scalable compensation and incentive calculation engines supporting diverse worker populations.