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Senior Data Scientist

United States, Washington, Redmond💼 Full-time🗓 2026-08-05 → 2026-09-26

Core

Design and analyze experiments (A/B tests, observational studies) and develop/deploy ML models to measure business impact and support decision-making.

Role type

Senior IC data scientist (causal inference & experimentation)

Builds

Production ML models, evaluation frameworks for AI/LLMs, and measurement systems

Domain

Technology / Data Science / Causal Inference

Deliverable

production ML models

Required skills

causal inference, experimental design, statistical methods, machine learning, LLM evaluation, data storytelling, Python, SQL

Preferred skills

R, advanced analytics best practices

Technologies

Python, R, SQL, matplotlib, seaborn, plotly

Responsibilities

Design and analyze experiments including A/B tests and observational studies; Develop, validate, and deploy machine learning models for prediction and classification; Evaluate AI and LLM-based solutions using structured testing methodologies; Communicate findings through visualizations and data-driven storytelling; Partner with engineering and business teams to define metrics and improve data collection processes.

Seniority

Senior, hands-on IC

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