Take Earth's most customer-centric company. Mix in hundreds of millions of shoppers spending tens of billions of pounds annually, an exciting opportunity to build next generation shopping experiences, Amazon’s tremendous computational resources, and our extensive e-Commerce experience. What do you get? The most exciting Recommendations/Personalization position in the industry. The Edinburgh-based Personalization team at Amazon is seeking a software development engineer passionate about enhancing customer experiences. Our team is dedicated to providing customers with inspiring and relevant recommendations, according to their unique interests. By deeply understanding customer preferences, we empower personalization efforts that ensure every interaction feels tailored and engaging. Key job responsibilities As a Software Development Engineer in the Personalization Foundations team at Edinburgh, you will contribute to delivering nuanced customer understanding. We are leveraging recent advancements in transformer-based machine learning. You will help the team build, optimize, and run infrastructure for training jobs that run on state-of-the-art compute clusters. You will ensure that inference jobs scale for our hundreds of millions of customers. As one of the leading teams in large model technology within Personalization, you will closely partner with teams across Amazon to deliver exceptional customer value. Join us as we transform Amazon into a deeply personalized shopping experience for our customers. About the team About our organization: Amazon's Personalization organization is a high-performing team that leverages expertise in machine learning, big data, and distributed systems to deliver exceptional shopping experiences. We work end-to-end, from foundational backend systems to innovative user interfaces. Our team culture emphasizes rapid prototyping, rigorous experimentation, and data-driven decision-making. We run hundreds of experiments annually and have revolutionized e-commerce with groundbreaking features like "Customers Who Bought Also Bought" and "Recommended for You". We are deeply committed to our customers and the professional growth of our team members. Amazon's internal surveys consistently recognize us as one of the company's top engineering organizations, highlighting our high-impact work, manageable operational load, respectful work-life balance, and continuous learning opportunities. This is a track record we are proud of and will continue to uphold.