Applied Scientist, Core Search

Amazon • Seattle, WA

8d • $142,800 - $193,200 • Onsite

About The Position

We are building the next generation of personalized shopping experiences at Amazon through deep understanding of hundreds of millions of customers, billions of products and intricate context. We set out to create a personal shopping partner that is knowledgeable, understands your preferences, and helps you find the right solution for your needs. We build new experiences powered by Generative models and our new LLM-based AI stack, that provides personalized and multi-modal Natural Language interface to Amazon's billions of products for both hundreds of millions of retail customers as well as internal teams building AI experiences such as Rufus, Alexa+, Interests AI, and multiple confidential initiatives.

Requirements

• PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience
• 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

Nice To Haves

• Experience using Unix/Linux
• Experience in professional software development

Responsibilities

• Help lead science innovation across multiple teams
• Solve a breadth of problems, ranging from developing state of the art thinking-LLM-based techniques to reason about customers and products
• Create semantic representations of products, customers, and context
• Develop cross-attentive LLM rankers
• Train multi-objective ranking and optimization systems
• Deploy large scale real-time AI systems
• Build tech used by teams across Amazon
• Improve lives of customers through improvements on offline benchmarks as well as online experiments

Benefits

• Sign-on payments
• Restricted stock units (RSUs)
• 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
• Parental leave

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Ph.D. or professional degree