Software Development Engineer

Ever wonder what happens in the milliseconds between a customer scrolling and seeing a relevant ad? The Ad Events Hub team builds the infrastructure behind that moment — processing trillions of ads daily at a scale few teams in the industry ever touch. Your work will appear on Amazon.com and dozens of other websites, reaching tens of millions of customers and driving measurable revenue impact. We build and operate the data systems powering the ad serving stack across Amazon's advertising businesses — including a signal intelligence layer that transforms raw session behavior into real-time signals and a distributed ultra-scale caching layer. These are tier-1 systems running at four 9s availability and five 9s reliability. You'll work cross-functionally with Engineers, Scientists, Product Managers, and Program Managers to build new advertising experiences, and grow technical skills in an environment built on creativity, experimentation, and product innovation. Key job responsibilities - Design, develop, and own tier-1 services that determine ad-serving eligibility across Sponsored Products, Sponsored Brands, and Sponsored Display - Build global, auto-scalable, high-throughput services that work across all ad programs — from campaign management through event logging - Collaborate with software engineers, scientists, Product Managers, and Program Managers to deliver compelling advertiser and customer experiences - Set technical direction for services spanning multiple Sponsored Ad programs, contributing to architectural decisions that ensure sustained, rapid feature delivery - Lead and inspire teammates to raise the bar on software quality, reliability, and operational excellence - Measure success through quality of execution, pace of innovation, and increased customer and advertiser satisfaction About the team The Sponsored Products and Brands team at Amazon Ads is re-imagining the advertising landscape through industry leading generative AI technologies, revolutionizing how millions of customers discover products and engage with brands across Amazon.com and beyond. We are at the forefront of re-inventing advertising experiences, bridging human creativity with artificial intelligence to transform every aspect of the advertising lifecycle from ad creation and optimization to performance analysis and customer insights. We are a passionate group of innovators dedicated to developing responsible and intelligent AI technologies that balance the needs of advertisers, enhance the shopping experience, and strengthen the marketplace. If you're energized by solving complex challenges and pushing the boundaries of what's possible with AI, join us in shaping the future of advertising.