Principal Applied Scientist, Advertiser Growth, Amazon Sponsored Products & Brands

Amazon; San Francisco (CA); On-site; USD 130,000 - 180,000; Full time

Job summary

A leading e-commerce company is looking for a Principal Applied Scientist to lead a team in developing innovative AI solutions for advertisers in San Francisco. This role involves managing a roadmap for new applications and requires a PhD along with significant experience in applied machine learning and AI. Candidates should have strong skills in recommending systems and the ability to drive scientific rigor within the team.

Qualifications

• 5+ years of applied ML experience in customer-facing recommender systems.
• Hands-on experience designing and prototyping AI solutions.

Responsibilities

• Lead a team in developing AI applications for advertisers.
• Define and lead the science roadmap of agentic experiences.
• Elevate scientific rigor and implement best-in-class algorithms.

Skills

Applied ML experience

AI and ML solution design

NLP experience

Education

PhD in Computer Science, Statistics or related field

Job description

Principal Applied Scientist, Advertiser Growth, Amazon Sponsored Products & Brands

Job ID: 3115279 | Amazon.com Services LLC

The Sponsored Products and Brands team at Amazon Ads is re‑imagining the advertising landscape through industry‑leading generative AI technologies, revolutionizing how millions of customers discover products and engage with brands across Amazon.com and beyond. We are at the forefront of re‑inventing advertising experiences, bridging human creativity with artificial intelligence to transform every aspect of the advertising lifecycle from ad creation and optimization to performance analysis and customer insights. We are a passionate group of innovators dedicated to developing responsible and intelligent AI technologies that balance the needs of advertisers, enhance the shopping experience, and strengthen the marketplace. If you're energized by solving complex challenges and pushing the boundaries of what's possible with AI, join us in shaping the future of advertising.

Key Job Responsibilities

The Principal Applied Scientist in Advertiser Guidance team will lead 50+ builders in pioneering a new generation of agentic AI applications for Amazon advertisers. You will define and lead the science roadmap of developing agentic experiences for recommendations and guidance delivered to +1.6MM Sponsored Products and Brand advertisers across multiple channels (Ad Console, Sales‑managed, and 3P partners).

You will work at the forefront of applied AI, developing methods for fine‑tuning, reinforcement learning, and preference optimization, while helping create evaluation frameworks that ensure safety, reliability, and trust at scale. You will work backwards from the needs of advertisers—delivering customer‑facing products that directly help them create, optimize, and grow their campaigns.

As a Principal Scientist, you 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 the Ads Org.

Basic Qualifications

• PhD in Computer Science, Statistics or related field.
• 5+ years of applied ML experience in building customer‑facing recommender systems involving AI, ML, and NLP.
• Hands‑on experience with designing and prototyping AI solutions for real‑world applications.

Preferred Qualifications

• Research publications or patents in generative AI technologies.
• Experience with natural language processing and generative model architectures.
• Background in advertising technology or e‑commerce platforms.
• Demonstrated track record of innovative AI solution development.

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