Amazon
Applied Scientist, Worldwide Returns & Recommerce - Science
$143K–$193K
Bellevue, WA · Full-time · Posted Aug 27, 2026
- Experience
- 3+ years building models for business application; alternatively, a Master's degree and 4+ years of CS, CE, ML or related field experience is specified alongside the PhD qualification.
- Education
- PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience.
About the job
Develops and deploys machine learning models for returns and recommerce, improving customer experience, identifying return causes, and optimizing product reuse and evaluation.
What you'll do
- Design, develop, and evaluate NLU and LLM models; train, test, and deploy models for business problems.
- Use SQL to query and analyze data, and research and implement machine learning and statistical approaches.
- Collaborate with data and software engineering teams to integrate models into large-scale production systems; mentor interns.
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.
- Experience programming in Java, C++, Python or related language.
- Experience building machine learning models or developing algorithms for business application.
Nice to have
- Experience using Unix/Linux.
- Experience in professional software development; experience in patents or publications at top-tier peer-reviewed conferences or journals.
Pay
142,800.00 - 193,200.00 USD annually (base salary)
Tools
SQL, Python, Jupyter notebook, Pytorch, Java, C++, XGBoost, BERT
AI focus
Develops NLU, LLM, and GenAI models, applying machine learning across text, categorical, image, and speech data to improve returns, identify causes, and optimize reuse.
Model-written summary · the original posting is authoritative