Amazon is investing heavily in building a world class advertising business and we are responsible for defining and delivering a collection of self-service performance advertising products that drive discovery and sales. Our products are strategically important to our Retail and Marketplace businesses driving long term growth. We deliver billions of ad impressions and millions of clicks daily and are breaking fresh ground to create world-class products. We are highly motivated, collaborative and fun-loving with an entrepreneurial spirit and bias for action. With a broad mandate to experiment and innovate, we are growing at an unprecedented rate with a seemingly endless range of new opportunities. Amazon's Sponsored Products advertising business is one of the fastest growing areas in the company. The Ads Response Prediction team owns multiple critical services and applications that empowers personalized Ads recommendations in Sponsored Products. We apply state-of-the-art deep learning and LLM based methods on Click-through-rate (CTR) prediction, with a mission of improving both shopper and advertiser experiences. By developing and using real-time shopper understanding signals, deep product embeddings and LLM-based insights, we provide personalization power for the entire Ads business within Amazon. As a Software Development Engineer in Machine Learning in this team, you will drive the technical direction of our offerings and solutions, working with many different technologies across the sponsored products organization. You will design, code, troubleshoot, and support scalable machine-learning pipelines and online serving systems. You will work closely with applied scientists to optimize the performance of CTR prediction models and infrastructure, and implement end-to-end solutions. What you create is also what you own. The business and technical challenges are significant. Fortunately, we have a broad mandate to experiment and innovate, and a seemingly endless range of new opportunities to build a big, sustainable business that helps Amazon continuously delight our customers.