Software Development Engineer

Amazon Advertising is building a new vertical ads platform from the ground up — purpose-built to simplify full-funnel advertising for strategic verticals like financial services, autos, and local businesses. You'll design and deliver AI-powered advertising solutions that use specialized agentic models to diversify demand across these verticals, working on a greenfield problem without established patterns to follow. This is a startup-style team with an ambitious vision: make it dramatically easier for advertisers in underserved verticals to launch effective full-funnel campaigns at scale. You'll work closely with a Principal Engineer and scientists to build the tools, services, and frameworks that power these new offerings — from backend infrastructure to the agentic AI systems that simplify campaign creation and optimization. Key job responsibilities - Design and develop AI-powered advertising tools and services that simplify full-funnel campaign creation for vertical advertisers (financial services, autos, local businesses) - Deliver features end to end — from system design through implementation, testing, deployment, and production operations — in a fast-moving greenfield environment - Build and evolve the agentic AI frameworks that power simplified advertising offerings, collaborating closely with scientists on model integration and serving - Collaborate with a Principal Engineer to make foundational technical decisions on architecture, tooling, and service design for a new platform being built from scratch - Develop scalable infrastructure to support diverse demand across multiple strategic verticals, each with distinct advertiser needs and campaign patterns - Participate in design discussions and code reviews, contributing to engineering quality in a team that's establishing its technical foundations - Mentor peers and contribute to a strong engineering culture as the team grows