Amazon
Applied Scientist , Personalization & Ranking
$143K–$193K
Seattle, WA · Full-time · Posted Sep 15, 2026
- Experience
- 3+ years building models for business application; PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience.
- Education
- PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience.
About the job
Researches, develops, evaluates, and launches AI and machine-learning solutions for personalization and recommendation on Amazon’s retail website.
What you'll do
- Build models to understand customer behavior and improve the shopping experience, then run them on the retail website.
- Develop recommendation AI using deep learning, LLMs, reinforcement learning, distillation, and optimization; collaborate with engineers and product managers to launch solutions.
- Design offline and online A/B experiments, analyze results, and communicate findings to stakeholders.
What they ask for
- 3+ years of building models for business application experience.
- PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience.
- Programming experience in Java, C++, Python or a related language.
- Experience in algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, or high-performance computing.
Nice to have
- Experience using Unix/Linux.
- Experience in professional software development.
Pay
142,800.00 - 193,200.00 USD annually (base salary)
Tools
Java, C++, Python, Unix/Linux
AI focus
Develops and launches personalization and recommendation AI, including deep learning, LLMs, reinforcement learning, distillation, and optimization methods.
Model-written summary · the original posting is authoritative