Join a team revolutionizing how millions of customers shop globally on Amazon as a Senior Software Development Engineer for Cross Border Shopping Experience. We're building next-generation AI-powered solutions that enable customers worldwide to easily discover and purchase products across Amazon's global marketplaces through sophisticated marketing, personalization, and localization technologies.This is an opportunity to:- Drive the technical design and implementation of global e-commerce features that make international shopping feel local and effortless- Build highly scalable solutions that help customers worldwide access Amazon's vast selection of products- Work on challenging problems in distributed systems, personalization, and real-time decisioning at massive scale- Collaborate with world-class engineers and influence technical direction across teamsIf you're passionate about solving complex technical challenges at global scale and building systems that create exceptional customer experiences, we want to hear from you. Join us in transforming how the world shops across borders.We are looking for a Software Development Engineer (SDE) to join the Cross Border Customer Experience team. In this role, the SDE will design, write, and maintain user experience software for Amazon shopping pages used by millions of customers around the world. The engineer will collaborate with product managers to define the future direction of customer experience throughout the entire shopping journey (Search, Detail Page, All Offers Display, Cart, Checkout, Order Details Page) and will apply the best engineering practices to deliver working solutions for international Amazon customers. The SDE will work on customer’s international shopping journey including personalized recommendations and displaying relevant cross-border shopping information (pricing, delivery, legal) in order to enable customers to shop efficiently and with confidence while delivering on business goals. The SDE will adhere to best practices of software development in large-scale distributed systems while innovating and experimenting in an agile fashion. You will participate in the entire software lifecycle from concept, design, development, through testing, release, and maintenance. You will be mentored by tenured Amazon engineers and you will be expected to coach and mentor others around you.Key job responsibilities - Design, develop, test, and deploy highly scalable and reliable software systems for cross-border shopping experiences used by millions of customers daily - Build technical solutions for personalized recommendations, marketing, and localized experiences supporting multiple languages, currencies, and payment methods - Drive architecture and design decisions for scalable, high-performance distributed systems - Write clean, maintainable code and conduct thorough code reviews to ensure quality - Work across the full stack - frontend and backend systems - to deliver end-to-end features - Collaborate with software engineers, product managers, and UX designers to translate business requirements into technical solutions - Mentor and provide technical guidance to other engineers on the team - Optimize system performance, identify bottlenecks, and improve operational excellence - Participate in on-call rotations to ensure system reliability and availability