Backed by SoftBank VF.
About the role
Coupang is seeking a Principal Engineer to define and lead the technical vision for our Ads Serving & ML Platform, one of the company's most critical business systems powered by large-scale machine learning and AI. Advertising plays a vital role in Coupang's ecosystem, enabling customers to discover relevant products while helping advertisers grow their businesses. The Ads platform directly influences customer engagement, advertiser success, and long-term revenue growth at massive scale.
What they're looking for
- 12+ years of experience building large-scale software platforms, machine learning systems, or distributed infrastructure
- Proven track record of architecting and operating mission-critical, high-throughput online systems at internet scale
- Deep expertise in one or more user-facing machine learning domains, including advertising, search, recommendations, or personalization
- Strong understanding of modern machine learning systems, including model training, feature engineering, experimentation, online inference, evaluation, and production operations
- Experience building and scaling AI/ML serving infrastructure, including optimization of GPU- and CPU-based systems for latency, throughput, and cost efficiency
- Strong understanding of large language models (LLMs), foundation models, retrieval-augmented generation (RAG), and production AI serving architectures
More about this role
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...
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