Applied Scientist, Trust CX Innovations

Applied Scientist, Trust CX Innovations (TCI) Alexa+ is Amazon’s next-generation, AI-powered assistant. Building on the original Alexa, it uses generative AI to deliver a more conversational, personalized, and effective experience. The Trust CX Innovations team is looking for an Applied Scientist with a strong background in the generative AI space to build solutions that help uphold customer trust for Alexa+. As an Applied Scientist in Trust CX Innovations, you will be at the forefront of developing innovative solutions to critical challenges in AI trust and privacy. You’ll lead research in trust‑preserving machine learning techniques, work on revolutionizing the way Amazonians work and collaborate, and help us achieve new heights of productivity through advanced generative AI technologies. Key job responsibilities Lead research initiatives in generative AI, focusing on LLMs, multimodal models, and frontier AI capabilities Develop innovative approaches for model optimization, including prompt engineering, few‑shot learning, and efficient fine‑tuning Pioneer new methods for AI safety, alignment, and responsible AI development Design and execute sophisticated experiments to evaluate model performance and behavior Lead the development of production‑ready AI solutions that scale efficiently Collaborate with product teams to translate research innovations into practical applications Guide engineering teams in implementing AI models and systems at scale Author technical papers for top‑tier conferences File patents for novel AI technologies and applications A day in the life You will work with a group of talented scientists to research algorithms, run experiments, and test scientific proposals to improve our trust‑preserving experiences. This involves collaboration with partner teams—including engineering, PMs, data annotators, and other scientists—to discuss data quality, policy, and model development. You will work closely with partner teams across Alexa to deliver platform features that require cross‑team leadership. About the team Trust CX Innovations is a strategic innovation team within Amazon Devices & Services that focuses on advancing AI technology while prioritizing customer trust and experience. Our team operates at the intersection of artificial intelligence, privacy engineering, and customer‑centric design. Our mission is to pioneer trustworthy AI innovations that delight customers while setting new standards for privacy and responsible technology development. We aim to transform how Amazon builds AI products by creating solutions that balance innovation with customer trust. Basic Qualifications 3+ years of building models for business application experience PhD, or Master’s degree and 4+ years of CS, CE, ML or related field experience Experience in patents or publications at top‑tier peer‑reviewed conferences or journals Experience programming in Java, C++, Python or related language Preferred Qualifications Experience in professional software development Direct experience with leading generative AI models (e.g., GPT architectures, diffusion models) Background in AI safety and alignment research Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner. Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. #J-18808-Ljbffr