Principal Applied Scientist, Personalization

Reinventing How the World Shops! We are building the future of human-AI collaboration in commerce. We are creating an AI-native shopping partner that truly understands what customers mean, what they need, Basic qualifications: - PhD in Computer Science, Machine Learning, Statistics, or related field, OR Master's degree and 6+ years of applied research experience - 5+ years of building machine learning models for business applications, with proven track record of shipping ML-powered products to production - Deep expertise in machine learning engineering with hands-on experience building and deploying models at scale - Strong programming skills in Python, Java, C++, or related languages with ability to write production-quality code - Experience mentoring junior scientists and engineers - Experience distilling informal customer requirements into problem definitions, dealing with ambiguity and competing objectives Preferred: - Experience creating novel algorithms and advancing the state of the art - Experience communicating with users, other technical teams, and management to collect requirements, describe software product features, and technical designs - Publications at top-tier peer-reviewed conferences (NeurIPS, ICML, ICLR, CVPR, ICCV, KDD, RecSys) or patents demonstrating technical innovation - Track record of successful production ML deployments at scale with measurable business impact - Strategic thinking combined with strong execution capability and bias for action - Experience bridging research with practical engineering implementation - Technical leadership experience in fast-paced, ambiguous environments Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. 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 https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.