Ph3Applied Scientist, Trust CX Innovations (TCI) /h3pAlexa+ 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 strong background in Generative AI space to build solutions that help in upholding customer trust for Alexa+. /ppAs 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. We are working on revolutionizing the way Amazonians work and collaborate. You will help us achieve new heights of productivity through the power of advanced generative AI technologies. /ph3Key job responsibilities /h3ulliLead research initiatives in generative AI, focusing on LLMs, multimodal models, and frontier AI capabilities /liliDevelop innovative approaches for model optimization, including prompt engineering, few-shot learning, and efficient fine-tuning /liliPioneer new methods for AI safety, alignment, and responsible AI development /liliDesign and execute sophisticated experiments to evaluate model performance and behavior /liliLead the development of production-ready AI solutions that scale efficiently /liliCollaborate with product teams to translate research innovations into practical applications /liliGuide engineering teams in implementing AI models and systems at scale /liliAuthor technical papers for top-tier conferences /liliFile patents for novel AI technologies and applications /li /ulh3A day in the life /h3pYou will be working with a group of talented scientists on researching algorithm and running experiments to test scientific proposal/solutions to improve our trust-preserving experiences. This will involve collaboration with partner teams including engineering, PMs, data annotators, and other scientists to discuss data quality, policy, and model development. You work closely with partner teams across Alexa to deliver platform features that require cross-team leadership. /ph3About the team /h3pWho We Are: 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. /ppOur Mission: 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. /ph3Basic Qualifications /h3p- 3+ years of building models for business application experience /pp- PhD, or Master\'s degree and 4+ years of CS, CE, ML or related field experience /pp- Experience in patents or publications at top-tier peer-reviewed conferences or journals /pp- Experience programming in Java, C++, Python or related language /ph3Preferred Qualifications /h3p- Experience in professional software development /pp- Direct experience with leading generative AI models (e.g., GPT architectures, diffusion models) /pp- Background in AI safety and alignment research /ppOur 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, including support for the interview or onboarding process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner. /ppBased on your recent activity, you may be interested in: /ppbPosted: /b September 3, 2025 (Updated 2 months ago) /ppbPosted: /b December 3, 2025 (Updated about 2 months ago) /ppbPosted: /b October 31, 2025 (Updated 3 months ago) /ppAmazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. /p /p #J-18808-Ljbffr