Software Dev Engineer II, Amazon Catalog

What if the system you built today was used by hundreds of millions of people -- not hypothetically, but literally?Amazon Selection & Catalog Systems (ASCS) is the engine behind the world's largest product catalog. Billions of products. Hundreds of millions of real-time updates daily. Every price change, every new listing, every inventory shift, our systems make it happen, 24/7/365, at a scale where textbook solutions simply don't apply.We're hiring a Software Development Engineer (L5) to join our Selection & Curation Systems team in Seattle, and this isn't your typical SDE role.What Makes This DifferentThis team is early-stage by Amazon standards. We're building brand-new services and tools from scratch, no legacy baggage, minimal operational burden, and a roadmap packed with greenfield projects scaling to worldwide customers this year.You won't just write code. You'll drive technical design across organizational boundaries, own end-to-end solutions, and tackle problems that sit at the intersection of massive scale and real ambiguity:Ensuring product identity and traceability at global scale.Processing and normalizing standardized product data from trading partners worldwide.Extracting structured data from unstructured content using LLMsAutomatic classification of items and data at catalog scaleBig data visualization and analytics pipelinesMassively distributed systems that push the limits of scale and performanceIf you've ever wanted to work on problems where the answer doesn't exist yet and build it, this is that opportunity.Who You AreYou have strong technical design instincts and can architect systems that work reliably at extreme scaleYou're comfortable leading across team boundaries — aligning with business owners, senior developers, and principalsYou're energized by ambiguity and greenfield work, not intimidated by itYou ship, you learn, you iterateWhy This Team, Why NowDirect impact on hundreds of millions of customers and sellers worldwide, your work shows up in the shopping experience, every dayGround floor of a new technology stack with a clear scaling trajectoryCutting-edge problem space: LLMs, distributed systems, big data, applied to real products at real scaleA team that's fast-moving, collaborative, and genuinely fun to work withKey job responsibilitiesAs a software development engineer on this team, you will play a pivotal role in the following:Work with the team to help drive business decisionsDesign, implement, test, deploy and maintain innovative software solutions to drive services optimizations, cost, and security.Use software engineering best practices to ensure a high standard of quality for all of the team deliverablesWrite high quality distributed system softwareWork in an agile, startup-like development environment, where you are always working on the most important stuff.Basic qualifications- 3+ years of non-internship professional software development experience- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience- Experience programming with at least one software programming languagePreferred qualification - 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience- Bachelor's degree in computer science or equivalentAmazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at .USA, WA, Seattle - 143,700.00 - 194,400.00 USD annually