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Sr. Applied Scientist, Amazon Ads Marketing Decision Science

The Ads Marketing Decision Science team builds intelligent, data-driven systems that transform advertiser experiences through precise personalization and automated optimization. We decode complex patterns in advertiser behavior, content eff

Company

Amazon

Location

New York, New York, USA

Status

Closed

Posted

2026-09-01T00:00:00+00:00

Amazon's Ads Marketing Decision Science team is hiring a Senior Applied Scientist in New York, working on-site. The role centres on a chatbot and agentic AI capability for WeChat and other third-party channels: agentic reasoning, retrieval-augmented generation over Ads knowledge sources, reinforcement learning and fine-tuning of large language models, and rigorous LLM evaluation with golden sets, groundedness and human-in-the-loop checks. The posting asks for 3+ years building machine learning models for business applications, a PhD or a master's plus 6+ years of applied research, and programming in Java, C++, Python or similar, plus neural deep learning experience.