Software Development Engineer, Amazon Advertising

This is a ground-up, greenfield build — no known answer, no pattern to follow. If you're energized by ambiguity and building from zero to one, keep reading. What we're building: - Simplified full-funnel advertising solutions powered by specialized agentic AI models - Diversified demand across strategic verticals — finserv, autos, locals, and more - New state-of-the-art products operating at internet scale This is a startup team within Amazon Ads with an ambitious vision and the runway to innovate. We're looking for a strong SDE who brings: - A solid coding foundation with a proven track record of building at scale - A willingness to challenge the status quo and raise the bar on every service and feature - Excitement about partnering closely with a Principal Engineer and Scientists to shape technical strategy Key job responsibilities - Own it end-to-end — design, develop, launch, and maintain AI-powered advertising solutions and services - Build the tools — evolve the frameworks, services, and infrastructure that power this new vertical - Move fast — deliver results with bias for action on a business-critical initiative - Simplify complexity — enable advertisers with streamlined, AI-powered offerings that just work