Amazon Selection and Catalog Systems (ASCS) builds and operates the systems that host the world's largest e-commerce product catalog. We power the online shopping experience, allowing customers to find, discover and buy anything they want, anytime. The Offers Platform team within ASCS are at the core of all Amazon Stores experiences worldwide. We are the authority for product information and critical purchasing data, such as availability and price serving billions of product and buyability records. Offers team respond to billions of requests per day from thousands of internal clients that power the website and other customer interfaces, such as Kindle, Amazon Alexa, Groceries and emerging agentic and generative AI initiatives. We get more traffic than most other Amazon systems with requests handled within a few milliseconds (at P99). Our team owns software running in a distributed, high performance, high availability NoSQL data storage system with an inbuilt micro-service computing environment that calculates and vends product and offering information. We are looking for seasoned engineers to build the future of vending Amazon's Catalog to provide world-class customer experience. As Amazon grows and diversifies, the challenges get bigger, requiring us to continuously innovate. There are no textbook solutions at our scale. Our engineers are customer-focused, strong performance analysts, and good API designers. These skills help us define the bleeding edge for elegant, super-scalable services at Amazon.com. The ideal candidate will have strong distributed systems and web services design and implementation experience. You should have a thorough understanding of Internet protocols and experience implementing services at scale. You should be somebody who enjoys working on owning software services, is customer-centric, and feels strongly not only about building good software but about making that software achieve its goals in operational reality.