jobs

Applied Scientist , Personalization & Ranking

Are you a scientist interested in pushing the state of the art in machine learning and recommendation systems? Are you interested in working on novel ideas that can positively impact millions of customers? Do you wish you had access to larg

Company

Amazon

Location

Seattle, Washington, USA

Status

Open

Posted

2026-09-15T00:00:00+00:00

Amazon is hiring an applied scientist for its Personalization & Ranking team in Seattle, on-site and full-time. The work covers research, design and development of recommendation and personalization models using deep learning, large language models, reinforcement learning, distillation and optimization; offline and online A/B experiments; and launching systems on the retail site with engineers and product partners. Candidates need 3+ years building models for business use, a PhD or a master's plus 4+ years, programming in Python, Java or C++, and background in algorithms, distributed computing or numerical optimization.