Applied Scientist - Analytics AI, AI Core Infra - AI Analytics and Insights

Amazon
Sunnyvale, CA, USA / Seattle, WA, USA2026-03-25ONSITE

About the job

We are looking for an exceptional applied scientist to join our team building SpektrBot, a conversational AI assistant that helps data engineers and analysts with their workflows. You will work closely with engineers and product managers to design, implement, and optimize natural language processing models like intent classification, named entity recognition, question answering, etc. that enable our Ads chatbot to understand user requests and have natural conversations.

Responsibilities

Study and understand data engineering and analytics workflows to design the right conversational experiences

Research, design, and develop NLP/NLU models for intent classification, entity extraction, sentiment analysis etc.

Continuously improve models through techniques like active learning, transfer learning etc.

Optimize models for metrics like precision, recall, latency, interpretability etc.

Implement models within overall bot architecture and integrate with backend systems

Collaborate with engineers to productionize and monitor models

Stay up-to-date on latest advancements in conversational AI research, specifically in LLMs (multi-agent, chain of thought, autonomous agents)

Be familiar with optimizing retrievers in RAG architectures

Qualifications

Minimum

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 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

Preferred

Experience using Unix/Linux

Experience in professional software development