mid machine learning Applied Scientist ic · Posted Apr 15, 2026
$142,800 – $193,200
USD per year

About this role

Amazon is hiring a mid-level Applied Scientist in the machine learning function based in Cambridge, MA. The posting calls out experience with Python, Java, TensorFlow, PyTorch. Compensation is listed at $142,800–$193,200 per year.

Role
Applied Scientist
Function
machine learning
Level
mid
Track
Individual contributor
Employment
Full-time
Location
Cambridge, MA
Department
Applied Science
Posted
Apr 15, 2026

More roles at Amazon

Senior Supply Chain Manager, Fauna
New York City, NY · senior
Full Stack
Ingénieur en machine learning/Machine Learning Engineer, ProServe Shared Delivery Team - Data & AI
Montreal, Canada · mid
Python JavaScript TypeScript
UX Designer, Publisher, Partner and Sales Team UX Team
New York City, NY · mid
React Figma
Data Center Security Manager , AMER East
Ashburn, VA · manager
AWS Networking Security
Sr. Customer Solutions Manager
Seattle, WA · senior
Express AWS Performance Optimization
All Amazon jobs →

Job description

from Amazon careers

The Artificial General Intelligence (AGI) Customization Team is seeking a highly skilled and experienced Applied Scientist to support adoption and enable customization of Amazon Nova. The role focuses on developing state-of-the-art services and tools for model customization, including supervised fine-tuning, reinforcement learning, and knowledge distillation across large language models. As an Applied Scientist, you will play a important role in developing advanced customization capabilities that enable enterprises to build highly performant application-specific models without the need for training models from scratch. Your work will directly impact how companies leverage Amazon Nova models for their specific use cases. Key job responsibilities - Contribute to the development of novel customization techniques including extended post-training, continued pre-training, and advanced knowledge distillation - Collaborate with cross-functional teams to design and implement enterprise-ready tooling for various training techniques on Amazon SageMaker - Design and execute experiments to optimize model accuracy, latency, and cost across different customization approaches (SFT, DPO, PPO) - Develop and enhance preference learning algorithms and training curricula for customer-specific applications - Create robust evaluation frameworks for assessing model performance across different domains and use cases - Contribute to the development of the Responsible AI toolkit, including creating training and evaluation datasets for…

This is an excerpt. Read the full job description on Amazon careers →
All machine learning jobs machine learning in Cambridge, MA Jobs in Cambridge, MA machine learning salaries machine learning career path
All Amazon Jobs Browse machine learning roles mid positions