Senior Staff, Back-end Engineer (Fulfillment Technologies)

C o mpany 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 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 Coupang’s Fulfillment Technologies team plays a critical role in enabling fast, accurate, and scalable fulfillment operations across our global network of fulfillment centers. As a Tech Lead within Global Ops Tech, you will drive the design and delivery of mission‑critical systems that power receiving, shelving, inventory, picking, and shipping processes. You will act as a technical leader and trusted partner to the business, championing engineering excellence, innovation, and operational efficiency while helping Coupang customers ask, “How did I ever live without Coupang?” What You Will Do Serve as a technical leader across the full software development lifecycle within the Global Ops Tech organization. Lead and influence architecture reviews for new platforms, services, and solutions across Coupang. Drive company-wide and cross‑organizational initiatives as a hands-on technical leader. Solve complex technical problems and act as a trusted advisor for engineering teams within Global Ops Tech and partner organizations. Collaborate closely with product owners, stakeholders, designers, and engineers to design, improve, and deliver high‑impact applications. Design and build scalable, high‑performance platforms and data pipelines that support near real‑time fulfillment operations. Apply cutting‑edge logistics technologies, automation, and data‑driven approaches to improve operational efficiency and reliability. Continuously improve engineering practices to meet and exceed industry standards for quality, scalability, and delivery timelines. Share best practices and drive process improvements across agile teams to increase engineering productivity and technical depth. Basic Qualifications Bachelor’s degree in Computer Science, Engineering, or a related field 10+ years of hands-on experience working within software engineering teams in fast-paced environments 10+ years of experience designing and developing complex, large-scale systems Strong proficiency in Java and the Spring Framework Extensive experience building and operating systems in AWS environments Ability to solve complex technical problems through structured thinking and cross-team collaboration Ability to lead and influence stakeholders through clear technical communication Preferred Qualifications 5+ years of experience designing and building scalable, high-performance platforms and data pipelines Strong knowledge and hands-on experience with big data and streaming technologies such as Cassandra, Kafka, Spark, Flink, Hive, S3, and Redshift Experience building large-scale data streaming and near real-time processing systems Proven experience defining technical vision, architecture, and roadmap in collaboration with multiple teams Ex ... (truncated, view full listing at source)