Software Development Engineer , Ads Nova

Build AI-powered vertical advertising products from the ground up on a greenfield startup team — simplifying full-funnel solutions at internet scale with agentic AI models across strategic verticals including financial services, automotive, and local businesses. There is no known answer or existing pattern to follow — we are defining the space from scratch. Amazon Advertising is building this team to diversify demand and transform how vertical advertisers grow on Amazon through specialized, AI-driven advertising experiences. You'll work closely with Principal Engineers and Scientists to translate ambiguous business problems into scalable system architectures, designing and building end-to-end services in an ambiguous, fast-moving environment where the problems are big, the solutions are yet to be invented, and the impact is immediate. If you're energized by building innovative products from scratch and have a strong coding foundation with a track record of delivering at scale, this is your team. Key job responsibilities - Design, develop, launch, and maintain AI-powered advertising solutions that simplify the advertiser experience across strategic verticals - Design and build end-to-end services and platforms from the ground up, contributing to foundational technical decisions that shape the product - Partner with Principal Engineers and Scientists to translate ambiguous business problems into scalable system architectures - Collaborate cross-functionally across engineering, science, and product teams to deliver integrated solutions that balance advertiser needs with customer experience - Evaluate and adopt emerging technologies — including agentic AI models — to accelerate product development and unlock new advertising capabilities - Mentor peers, contribute to engineering best practices, and raise the technical bar as the team scales - Deliver iterative, high-impact results in a fast-paced startup environment