Sr Software Development Engineer, Brand Store Shopping Experience

Reinvent how millions of shoppers discover and evaluate brands by building GenAI-powered, agentic shopping experiences on Amazon Brand Stores—where traditional browsing and AI-driven conversation co-exist as a seamless continuum.The Amazon Brand Store team (e.g., amazon.com/lego) within Sponsored Products and Brands is a core product offering in the Amazon Advertising portfolio. A brand's store is their dedicated place on Amazon to differentiate, grow sales, and build loyalty with millions of shoppers. Our mission is to empower brands of all sizes to tell their story in their own unique voice. We help brands create engaging shopping experiences that assist shoppers in discovering and evaluating them as part of their purchase decisions. We succeed when we are both useful to shoppers and when brands can attract and retain attention using our products.A shopper browses, seamlessly steps into a guided conversation when they need help, and steps back out to browse the results. You will own ambiguous, high-impact technical problems end to end—from architecture through production operation—and partner closely with product, design, applied science, and other engineering teams to bring large language models and generative AI to millions of shoppers and the brands that serve them.A case study on Brand Stores: job responsibilities- Provide technical leadership for the team's GenAI initiatives—drive the long-term vision, architecture, and roadmap for the agentic, conversational-plus-browse shopping experience and the services behind it- Design and deliver GenAI capabilities at the heart of the experience, applying large language models to help shoppers explore a brand's catalog, understand their options, and find the right products in the brand's voice- Build the systems that keep GenAI output accurate, on-brand, concise, and safe- Own mission-critical, highly scalable, low-latency systems that serve GenAI features to hundreds of millions of shopper visits—raising the bar on every service and feature the team builds- Partner closely with applied scientists to productionize ML/GenAI models (prompting, fine-tuning, evaluation, inference, online experimentation) and integrate them into shopper-facing experiences- Establish evaluation, experimentation (A/B), and quality-measurement frameworks for GenAI experiences—latency, faithfulness/grounding, relevance, and business outcomes- Drive engineering excellence and operational rigor—design reviews, coding standards, reliability, scaling, and on-call best practices- Tackle ambiguous, complex problems end to end: design, implement, test, deploy, and operate in production- Mentor and grow engineers on the team; act as a force multiplier across teams and earn trust with partners across product, design, science, and senior leadershipBasic qualifications- 5+ years of non-internship professional software development experience- 5+ years of programming with at least one software programming language experience- 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience- Experience as a mentor, tech lead or leading an engineering teamPreferred qualification - 5+ 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 - 168,100.00 - 227,400.00 USD annually