Principal Applied Scientist, Prime Video Personalization & Discovery

Prime Video’s technology teams are redefining the digital video experience at scale. As a Principal Applied Scientist at Prime Video, you will be a technical and strategic leader responsible for inventing, developing, and deploying groundbreaking AI solutions that power personalized, relevant, and delightful experiences for millions of global customers.

Key Responsibilities Invent, prototype, and productionize large-scale AI solutions across Prime Video’s personalization and discovery ecosystem using deep learning, generative AI, reinforcement learning, and optimization techniques. Provide technical leadership and influence product vision by collaborating closely with engineers, product managers, and senior stakeholders. Design and lead high‑impact A/B tests and data analyses to validate hypotheses and guide product direction. Drive technical bar‑raising across science and engineering teams through mentorship, design reviews, and collaboration. Stay ahead of industry trends and emerging research; leverage them to evolve long‑term strategy and architecture. Publish impactful research internally and externally (e.g., top‑tier conferences and journals). Basic Qualifications PhD (or Master’s with 10+ years of applied experience) in machine learning, computer science, statistics, or a related field. 8+ years experience designing, building, and deploying ML models for real‑world business applications at scale. Proven leadership in driving cross‑functional ML/AI initiatives from ideation through production. Strong programming skills in Python, Java, or C++, and experience with ML frameworks such as TensorFlow or PyTorch. Deep expertise in recommendation systems, search relevance, or large‑scale personalization systems. Preferred Qualifications Strong publication record in top‑tier conferences (e.g., NeurIPS, ICML, KDD, RecSys, SIGIR). Experience with large‑scale distributed systems (e.g., Hadoop, Spark). Demonstrated ability to influence technical roadmaps and mentor other scientists and engineers. Experience defining and delivering strategic AI vision for consumer‑facing products.

Location: Sunnyvale, CA, USA – Salary range: $228,700.00 – $309,400.00 USD annually.

Amazon offers comprehensive benefits including health insurance (medical, dental, vision, and prescription), basic life & AD&D insurance, EAP, mental health support, flexible spending accounts, and 401(k) matching, among others.

Amazon is an equal‑opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

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