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Senior Data & Applied Scientist

United States, Washington, Redmond💼 Full-time🗓 2026-07-13 → 2026-07-20

Core

Design, analyze, and interpret A/B experiments end-to-end to drive business decisions based on user behavior and context.

Role type

Senior Data & Applied Scientist (Experimentation)

Builds

Experimental insights and decision frameworks for product teams

Domain

Data Science / Statistics / Experimentation

Deliverable

production ML models | dashboards & analysis

Required skills

hypothesis formulation, metric selection, statistical analysis, bias diagnosis, power analysis, uncertainty quantification, trade-off analysis, documentation

Preferred skills

automation judgment, shared standards development

Responsibilities

Formulate hypotheses and define success criteria for A/B tests; diagnose experimentation issues like bias and interference; communicate results with uncertainty and limitations; establish shared standards for team experimentation

Seniority

Senior, hands-on IC

Rewrite
## About the role Experimentation & A/B Testing Design, analyze, and interpret A/B experiments end‑to‑end, from hypothesis formulation to final decision. Choose appropriate metrics, success criteria, and evaluation windows based on user behavior and business context. Identify and diagnose common experimentation issues (e.g., bias, interference, power limitations, metric sensitivity). Communicate experimental results clearly, including uncertainty, limitations, and trade‑offs. Develop good judgment about when to rely on automation vs. when deep statistical reasoning is required. Contribute to shared standards and documentation that improve how teams run experiments and make decisions. ## Requirements - Doctorate in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 1+ year(s) data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) - OR Master's Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 3+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) - OR Bachelor's Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 5+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) - OR Doctorate in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 3+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) - OR Master's Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 6+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) - OR Bachelor's Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 8+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) - OR equivalent experience.
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