Applied Scientist, Alexa Sensitive Content Intelligence

Description Alexa is Amazon s next-generation AI-powered virtual assistant Building on the original Alexa it uses generative AI to deliver a more conversational personalized and effective experience As an Applied Scientist II on the Alexa Sensitive Content Intelligence ASCI team you ll be part of an elite group developing industry-leading technologies in attribute extraction and sensitive content detection that work seamlessly across all languages and countries In this role you ll join a team of exceptional scientists pushing the boundaries of Natural Language Processing Working in our dynamic fast-paced environment you ll develop novel algorithms and modeling techniques that advance the state of the art in NLP Your innovations will directly shape how millions of customers interact with Amazon Echo Echo Dot Echo Show and Fire TV devices every day What makes this role exciting is the unique blend of scientific innovation and real-world impact You ll be at the intersection of theoretical research and practical application working alongside talented engineers and product managers to transform breakthrough ideas into customer-facing experiences Your work will be crucial in ensuring Alexa remains at the forefront of AI technology while maintaining the highest standards of trust and safety We re looking for a passionate innovator who combines strong technical expertise with creative problem-solving skills Your deep understanding of NLP models including LSTM and transformer-based architectures will be essential in tackling complex challenges and identifying novel solutions You ll leverage your exceptional technical knowledge strong Computer Science fundamentals and experience with large-scale distributed systems to create reliable scalable and high-performance products that delight our customers Key job responsibilities In this dynamic role you ll design and implement GenAI solutions that define the future of AI interaction You ll pioneer novel algorithms conduct ground breaking experiments and optimize user experiences through innovative approaches to sensitive content detection and mitigation Working alongside exceptional engineers and scientists you ll transform theoretical breakthroughs into practical scalable solutions that strengthen user trust in Alexa globally You ll also have the opportunity to mentor rising talent contributing to Amazon s culture of scientific excellence while helping build high-performing teams that deliver swift impactful results A day in the life Imagine starting your day collaborating with brilliant minds on advancing state-of-the-art NLP algorithms then moving on to analyze experiment results that could reshape how Alexa understands and responds to users You ll partner with cross-functional teams - from engineers to product managers - to ensure data quality refine policies and enhance model performance Your expertise will guide technical discussions shape roadmaps and influence key platform features that require cross-team leadership About the team The mission of the Alexa Sensitive Content Intelligence ASCI team is to 1 minimize negative surprises to customers caused by sensitive content 2 detect and prevent potential brand-damaging interactions and 3 build customer trust through appropriate interactions on sensitive topics The term sensitive content includes within its scope a wide range of categories of content such as offensive content e g hate speech racist speech profanity content that is suitable only for certain age groups politically polarizing content and religiously polarizing content The term content refers to any material that is exposed to customers by Alexa including both 1P and 3P experiences and includes text speech audio and video 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 - Experience in any of the following areas algorithms and data structures parsing numerical optimization data mining parallel and distributed computing high-performance computing Preferred Qualifications - Experience using Unix Linux - Experience in professional software development 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 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