Senior Data Scientist, Alexa For Shopping (Rufus)

Amazon • Seattle, WA • 2h ago

Description

We are building a agentic intelligence system that transforms unstructured, noisy customer-data into actionable intelligence for product analytics to guide evolution of Amazon Shopping CX's - surfacing metrics on demand and insights unprompted, without an analyst in the loop.

We are solving one of the hardest problems in the agent driven data intelligence space to isolate insights from noise. This role will own multi agent system orchestration and @context management; self-improving agent layer that gets measurably better over time without human intervention and reliable signal extraction from unstructured data and proactive intelligence that detects what matters before anyone asks.

Our agentic system is in production. What we don't yet have is a system that evaluates its own output quality, identifies where it fails, and closes that feedback loop automatically.

Key job responsibilities

As Senior Data Scientist, you will own the multi agent orchestration and the self-improvement system end-to-end. You will also own designing the overall architecture to extract insights from unstructured data at scale. You will work directly with the principal engineer, influence the technical roadmap across the team, and partner with SDE's.

This role requires operating independently on problems that are not well-defined or structured, identifying and framing research challenges across broad problem areas, and delivering end-to-end solutions that have significant impact on the product.

Own the multi-agent topology (Planner ? Worker ? Reasoner ? Loop Controller) - inter-agent communication protocols, and loop termination logic

Design and manage the @context window strategy across agents

Own all system prompts, routing prompts, and chain-of-thought scaffolding across agents

Define what "better" means across dimensions (factual grounding, hypothesis novelty, evidence completeness, reasoning coherence) without ground-truth labels at scale

Design how eval signal propagates back into prompt updates and model routing decisions

Own schema grounding, sparse vector indexing, and domain-scoped kNN queries

Own embedding strategy, intent classification accuracy, and entity extraction quality

Basic Qualifications

4+ years of data scientist experience

5+ years of data querying languages (e.g. SQL), scripting languages (e.g. Python) or statistical/mathematical software (e.g. R, SAS, Matlab, etc.) experience

Experience with statistical models e.g. multinomial logistic regression

5+ years of working with Data & AI related technologies, including, but not limited to, AI/ML (Artificial Intelligence/Machine Learning), GenAI (Generative AI), Analytics, Database, and/or Storage experience

Python proficiency - statistical modeling, data manipulation (pandas, numpy, scipy), and scripting across ML pipelines and evaluation infrastructure

Demonstrated experience extracting structured signal from unstructured text at scale - NLP pipelines, intent classification, entity extraction, or equivalent

Preferred Qualifications

Experience with multi-agent system evaluation and independently and end-to-end

Production RAG or retrieval system experience - embedding strategy, vector search, hybrid retrieval, similarity threshold calibration

AWS Bedrock or Strands SDK experience - or equivalent orchestration framework (LangGraph, CrewAI, AutoGen)

Graph database experience (Neptune, Neo4j) - schema design, traversal queries, knowledge graph construction

Experience scaling NLP inference pipelines - model sizing decisions, batching strategy, SageMaker or equivalent endpoint optimization

Business intelligence or analytics domain background - metric definitions, dimensional modeling, causal inference

Track record of publishing at peer-reviewed venues or presenting at industry conferences

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 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, WA, Seattle - 159,200.00 - 215,300.00 USD annually

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