Imagine having the opportunity to directly shape the experiences of millions of Amazon customers every day. As part of our Advertising team, you'll do just that - designing, building, and maintaining the large-scale systems that power Amazon's advertising offerings. This is no ordinary software engineering role. You'll be tackling complex, industry-defining challenges, leveraging the right technologies to create reliable, high-performance solutions from the ground up for the entire Ad industry. From decomposing ambiguous problems into clear, straight-forward implementations to collaborating with product managers on new feature ideas, every day will bring novel obstacles to overcome. The ideal candidate has a proven track record of delivering new products and features, with a deep understanding of computer science fundamentals, experience building large-scale distributed systems and machine learning infrastructure. You take initiative to improve operational excellence. You're a self-starter who thrives in fast-paced, collaborative environments, with strong verbal and written communication skills. Most importantly, you're passionate about solving complex problems on behalf of customers.