Amazon.com Services LLC
AI & Machine LearningDirect employer career site

Sr. Machine Learning Engineer, Amazon FAI

Pay
$168,100 – $227,400 per year
Location
Boston, MA · On-site
Job type
Full-time
Level
Senior
Experience
5+ years
Education
Bachelor's degree
Listed
23 days ago

Skills & highlights for this role

  • agentic pipelines
  • GenAI model evaluation
  • software architecture

Also useful

  • reinforcement learning
  • LLMs

Stated benefits & perks

  • Health
  • Dental
  • Vision
  • 401k match
  • Parental leave

About the role

As an Sr. MLE on our team, you will design, build, and maintain systems for building frontier quality assets to train and evaluate our GenAI models. You'll also work closely with our Applied Scientists to develop tools that support our modeling and evaluation team. We operate at Amazon's large scale with the energy of a nimble start-up.

If you have a learner's mindset, enjoy solving challenging problems, and value an inclusive team culture, you will thrive in this role, and we hope to hear from you.

Key job responsibilities * Develop and maintain key tooling for building agentic pipelines to create frontier-level assets, such as RL gyms. * Work closely with product teams, and scientists to create new techniques and tooling around emerging research capabilities and evaluating models to meet customer needs. * Manage project prioritization, deliverables, timelines, and stakeholder communication. * Illuminate trade-offs, educate the team on best practices, and influence technical strategy. * Collaborate closely with Applied Scientists to investigate and plan experiments, prototype new technology, and evaluate technical feasibility. * Operate in a dynamic environment to deliver high-quality software against tight schedules.

About the team The FAI team has the mission to push the envelope in GenAI with LLMs, in order to provide the best-possible experience for our customers.

Basic Qualifications

  • 5+ years of non-internship professional software development experience - 5+ years of programming with at least one software programming language experience - 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience - Experience as a mentor, tech lead or leading an engineering team

Preferred Qualifications

  • 8+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience - Bachelor's degree in computer science or equivalent Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. 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. USA, MA, Boston - 168,100.00 - 227,400.00 USD annually
Read the original posting

From Amazon.com Services LLC's careers page, first listed on Rolev.ai on October 17, 2026. Rolev.ai is not the employer.

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Common questions

What is the salary for the Sr. Machine Learning Engineer, Amazon FAI role at Amazon.com Services LLC?

The Sr. Machine Learning Engineer, Amazon FAI posting at Amazon.com Services LLC states compensation of $168,100 – $227,400 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on Amazon.com Services LLC's official career site.

Where is the Sr. Machine Learning Engineer, Amazon FAI job at Amazon.com Services LLC located?

This Sr. Machine Learning Engineer, Amazon FAI position at Amazon.com Services LLC is located in Boston, MA (On-site). Always check Amazon.com Services LLC's application page for specific state eligibility or relocation policies.

What qualifications are required for Sr. Machine Learning Engineer, Amazon FAI at Amazon.com Services LLC?

For the Sr. Machine Learning Engineer, Amazon FAI role, Amazon.com Services LLC highlights 5+ years of relevant experience; a bachelor's degree; experience with agentic pipelines, GenAI model evaluation, software architecture. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Sr. Machine Learning Engineer, Amazon FAI position at Amazon.com Services LLC?

This listing links directly to Amazon.com Services LLC's application page. You can apply directly on Amazon.com Services LLC's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.