Sr. Software Dev Engineer, Customer360

Amazon's mission is to be Earth's most customer-centric company. Customer360 is Amazon's customer memory, the centralized system that captures, reconciles, and retrieves everything we know about each customer across every Amazon experience. This unified memory powers AI-driven personalization where a preference stated once is understood everywhere, from shopping on Amazon.com, to watching Prime Video, to talking with Alexa.As a builder on Customer360, you'll work at the intersection of large-scale data systems and AI. You'll lead software development for infrastructure that ingests customer signals across Amazon, powers contextual retrieval for AI experiences, and enables privacy-by-default data sharing at scale.We're looking for an SDE III who leads their team's software development across the full lifecycle: working backwards from the customer, technical design, implementation, testing, deployment, and maintenance. You'll own your team's architectural direction, work on problems where the customer case is defined but the technology strategy is not, and deliver systems serving hundreds of millions of customers across real-time data pipelines, retrieval systems, privacy infrastructure, and AI integrations.You'll drive engineering best practices, coach and mentor multiple engineers, and ensure the quality and coherence of your team's software. You'll balance short-term delivery against long-term architecture, identify one-way-door technical decisions, and advocate for the right solutions. You'll ensure your team has strong operational practices with correct alarms, telemetry, runbooks, and retrospective processes.You'll partner with principal engineers, applied scientists, and product leaders to translate customer and business needs into robust, scalable systems. You'll lead inclusive, constructive dialogue when disagreements arise and build consensus on the best path forward. We expect you to proactively identify gaps, resolve root causes of endemic problems, and drive solutions to completion, including influencing decisions in systems you depend on.Your work will have high visibility across the organization. Your team will be stronger because of your presence but will not depend on your presence to be successful. You'll contribute to our technical roadmap and help shape how Amazon understands its customers.If you want to lead systems at Amazon scale and have the technical depth and ownership mindset to drive them forward, Customer360 is the place.Basic 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