Alexa Identity team at Amazon is at the forefront of developing AI assistants that can learn and interact naturally with customers. The team is building cutting-edge LLM-based conversational learning capabilities to enable personal assistants to understand and adapt to customers just like humans do. As a Senior Software Development Engineer, you'll lead cross-functional efforts to transform customer identification through customizing Foundational LLM models using Supervised Fine Tuning (SFT) and In-Context Learning (ICL) technologies. You'll work in a dynamic environment with multiple stakeholders, including product managers, UX designers, research scientists, and various engineering teams. The role involves developing platforms that connect LLMs to real-world applications, handling complex conversational use cases, and delivering high-quality software in an Agile environment. This is an opportunity to shape the future of AI-human interaction while working with cutting-edge technology at one of the world's leading tech companies. The position offers competitive compensation ranging from $151,300 to $261,500 based on location, plus comprehensive benefits including equity and sign-on bonuses.