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Amazon.com Services LLC

Applied Scientist

Seattle, WA, United States
Palo Alto, CA, United States

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Job details

Experience: 3+ years of building machine learning models or developing algorithms for business application experience
Posting language: English
Posted: Nov 6, 2026

Original job description

We’re working to improve shopping on Amazon using the conversational capabilities of large language models, and are searching for pioneers who are passionate about technology, innovation, and customer experience, and are ready to make a lasting impact on the industry. In this role, you will be developing Agentic Large Language Models (LLMs) and/or Vision Large Language Models (VLM) to unlock new shopping experiences. Experience with Reinforcement Learning (RL) and LLM Post-training is preferred. You’ll be working with talented scientists, engineers, product managers, and technical program managers to innovate on behalf of our customers. If you’re fired up about being part of a dynamic, driven team, then this is your moment to join us on this exciting journey! Basic qualifications

Master's degree or above in computer science, machine learning, engineering, or related fields
3+ years of building machine learning models or developing algorithms for business application experience
Knowledge of programming languages such as C/C++, Python, Java or Perl
Experience building complex software systems, especially involving deep learning, machine learning and computer vision, that have been successfully delivered to customers
Experience communicating with users, other technical teams, and management to collect requirements, describe software product features, and technical designs Preferred qualifications
Experience in professional software development
Experience in LLM post-training (SFT and RL) is a plus

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

Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, 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.

USA, CA, Palo Alto - 171,600.00 - 222,200.00 USD annually USA, WA, Seattle - 142,800.00 - 193,200.00 USD annually

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More about this job

Skills

Computer science
Machine learning
Programming languages
C
C++
Python
Oracle Java
Perl
Deep learning
Software development
Customer service
Recruitment
Mental health

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