Principal Applied Scientist, Sponsored Products and Brands

Amazon•Seattle, WA

47d

About The Position

As a Principal Scientist for the team, you will have the opportunity to apply your deep subject matter expertise in the area of ML, LLM and GenAI models. You will invent new product experiences that enable novel advertiser and shopper experiences. This role will liaise with internal Amazon partners and work on bringing state-of-the-art GenAI models to production, and stay abreast of the latest developments in the space of GenAI and identify opportunities to improve the efficiency and productivity of the team. Additionally, you will define a long-term science vision for our advertising business, driven by our customer’s needs, and translate it into actionable plans for our team of applied scientists and engineers. This role will play a critical role in elevating the team’s scientific and technical rigor, identifying and implementing best-in-class algorithms, methodologies, and infrastructure that enable rapid experimentation and scaling. You will communicate learnings to leadership and mentor and grow Applied AI talent across org.

Requirements

PhD in Computer Science, Statistics or related field.
10+ years of programming in Java, Python or related language.
10+ years of applied ML experience in building complex, real-time systems involving AI, ML with successful delivery to customers.
3+ years in LLMs, model fine tuning and prompt engineering.
3+ years in digital advertising technology.

Nice To Haves

Demonstrated track record of innovative AI solution development.
Experience with generative model architectures.
Research publications or patents in generative AI technologies.
Experience in Reinforcement Learning from Human Feedback (RLHF), Retrieval-Augmented Generation (RAG) and AI model trade-offs (e.g., model size, latency, cost, and output quality).

Responsibilities

Develop AI solutions for Sponsored Brands advertiser and shopper experiences.
Build monetization and optimization systems that leverage generative models to value and improve campaign performance.
Define a long-term science vision and roadmap for our Sponsored Brands advertising business, driven from our customers' needs, translating that direction into specific plans for applied scientists and engineering teams. This role combines science leadership, organizational ability, technical strength, product focus, and business understanding.
Design and conduct A/B experiments to evaluate proposed solutions based on in-depth data analyses.
Effectively communicate technical and non-technical ideas with teammates and stakeholders.
Stay up-to-date with advancements and the latest modeling techniques in the field.
Think big about the arc of development of Gen AI over a multi-year horizon and identify new opportunities to apply these technologies to solve real-world problems.