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Zappos

Applied Scientist III, Foundation AI Assets (FAI)

OnsiteOther rolesNot yet verified

United States, MA, Boston

Original posting date
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Nov 2, 2026

Saved job description

The Foundational AI Assets (FAI) team is looking for a passionate, talented, and inventive Applied Scientist with a strong deep learning background, to build industry-leading Generative Artificial Intelligence (GenAI) technology with Large Language Models (LLMs).

Key job responsibilities

As an Applied Scientist with the FAI team, you will support the development of RL Gyms, assess their usefulness for the frontier model advancement and build techniques to advance the state of the art with LLMs. You will support the foundational model development in an applied research role. Your work will directly impact our customers in the form of products and services that make use of GenAI technology. You will leverage Amazon’s heterogeneous data sources and large-scale computing resources to accelerate advances in LLMs.

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.

Requirements: - Experience with neural deep learning methods and machine learning

- PhD, or Master's degree and 6+ years of applied research experience

- 3+ years of building machine learning models for business application experience

- Experience programming in Java, C++, Python or related language

Location & listing notes

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Source-listed locations: US, Boston, Massachusetts.

Listed states: MA.

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