SoftwareDevelopmentEngineer,SponsoredProductsandBrandsOff-Search

As a Software Development Engineer on the Sponsored Products and Brands Off-Search team, you will help build hyper-scale online systems, offline data pipelines, and machine learning infrastructure—leveraging Generative AI (GenAI) and Large Language Models (LLMs) to transform advertising and shopping experiences. You will have the opportunity to transform core areas such as ad retrieval, ad allocation, whole-page relevance, and differentiated recommendations by designing and delivering high-quality, architecturally sound systems aligned with business needs. With the support of GenAI, you will design globally scalable solutions that evolve in the right long-term direction while delivering iterative value to customers. This is a rare opportunity to redefine how ads are retrieved, allocated, and experienced—elevating them into personalized, contextually aware, and inspiring parts of the customer journey. If you are passionate about applying frontier AI to solve real-world problems at massive scale and impact, this is your chance to define the next chapter of advertising engineering. Key job responsibilities This role will be critical in redesigning how ads contribute to a personalized, relevant, and inspirational shopping experience, with the customer value proposition at the forefront. Key responsibilities include, but are not limited to: - Design, develop, and operate large-scale distributed systems for Sponsored Products and Brands advertising. - Build and optimize data pipelines and services to improve ad retrieval, allocation, and recommendations. - Apply Generative AI (GenAI) and Large Language Models (LLMs) to deliver more relevant, personalized ad and shopping experiences. - Collaborate with applied scientists, product managers, and other engineers to define and deliver customer-focused solutions. - Write high-quality, maintainable code and participate in design and code reviews. - Drive operational excellence through monitoring, automation, and continuous impro