Applied Scientist, AGI Customization Services

Amazon; Cambridge (MA); On-site; USD 142,800 - 193,200; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Parental leave

Job summary

A leading tech company is seeking an Applied Scientist for their AGI Customization Team in Cambridge, MA. This role focuses on developing cutting-edge services for model customization and involves collaborating with teams to optimize model accuracy. The ideal candidate should have a PhD or Master's degree in a relevant field and at least 3 years of experience in model development. You will be instrumental in enhancing model training techniques and presenting your findings to diverse stakeholders. A comprehensive compensation package is offered, including health benefits and stock options.

Qualifications

• 3+ years of model building experience.
• PhD or Master’s degree with relevant experience.
• Experience in patents or publications.

Responsibilities

• Develop novel customization techniques for models.
• Collaborate to design tooling on Amazon SageMaker.
• Optimize model accuracy and cost.

Skills

Model building for business applications

Programming in Java, C++, Python

Algorithms and data structures

Machine learning model training

Deep learning model design and optimization

Education

PhD in computer science or related field

Master’s degree in related field with experience

Tools

TensorFlow

PyTorch

MXNet

Job description

Description

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 key role in developing advanced customization capabilities that enable enterprises to build highly performant application‑specific models without the need to train 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 model alignment
• Design and implement secure access mechanisms for early model checkpoints and weights
• Communicate technical insights and results to both technical and non‑technical stakeholders through presentations and documentation

Basic Qualifications

• 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 in patents or publications at top‑tier peer‑reviewed conferences or journals
• Experience programming in Java, C++, Python or related language
• Experience in any of the following areas: algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, high‑performance computing
• 1+ years of building machine learning models for business application experience
• Master’s degree, or PhD and 2+ years of applied research experience
• Experience with any programming language such as Python, Java, C+; Experience in state‑of‑the‑art deep learning models architecture design and deep learning training and optimization and model pruning

Preferred Qualifications

• Experience using Unix/Linux
• Experience in professional software development
• PhD in computer science, machine learning, engineering, or related fields, or Master’s degree
• PhD in computer science, computer engineering, or related field, or experience with Machine and Deep Learning toolkits such as MXNet, TensorFlow, Caffe and PyTorch
• Experience that includes strong analytical skills, attention to detail, and effective communication abilities, or experience in software development and experience in managing and troubleshooting network
• Experience collaborating with cross‑functional teams
• Experience in developing and implementing algorithms and models for supervised fine‑tuning and reinforcement learning
• Experience with patents or publications at top‑tier peer‑reviewed conferences or journals

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Base salary range:
USA, MA, Cambridge - 142,800.00 - 193,200.00 USD annually
USA, WA, BELLEVUE - 142,800.00 - 193,200.00 USD annually

Package may include sign‑on payments and restricted stock units (RSUs). Final compensation will be based on experience, qualifications, and location. Amazon offers health insurance, dental, vision, prescription, Basic Life & AD&D insurance, supplemental life plans, EAP, Mental Health Support, Medical Advice Line, FSA, adoption and surrogacy reimbursement coverage, 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.