Experimentation Strategy Director

Faire; New York (NY); Hybrid; USD 276,000 - 379,500; Full time

Benefits offered by this job

Hybrid work model

Remote work flexibility

Equity

Job summary

Faire seeks an Experimentation Director to elevate the rigor of experimentation company‑wide. You will own our experimentation methodology and serve as the default partner for high‑stakes, complex experiments, collaborating with Strategy & Analytics, Engineering, Data Science, and Product on everything experimentation‑related.

This high‑visibility role reports into the Head of Strategy & Analytics. You will be the expert on causal inference where true experiments aren’t possible and help shape

Qualifications

• 10+ years of experience in experimentation, data science, or closely related analytics.
• Designed, reviewed, and analyzed hundreds of experiments in a mature testing culture.
• Deep statistical expertise: power, sample sizing, sequential testing, multiple comparisons, and interference between units.
• Analytically rigorous; reads results skeptically and catches subtle problems.

Responsibilities

• Own experimentation methodology and principles to ensure accuracy and rigor across all experiments.
• Build and maintain Faire’s experimentation OS, including review processes and cross‑company tracking.
• Adapt methodology as velocity increases, especially with AI integration.
• Design and review experiments with S&A, Engineering, Data Science, and Product as the default partner.
• Advise on causal inference techniques when true experiments aren’t possible.
• Perform ad hoc review and analysis to explain anomalous results and drive conclusions.
• Assist Analytics Platform in roadmap planning for the experiment platform and data model.

Skills

Experimentation design

Statistical expertise

Cross-functional influence

Communication skills

Data platforms understanding

Rigorous analysis

Tools

Experimentation OS

Job description

Faire seeks an Experimentation Director to elevate the rigor of experimentation company‑wide. You will own our experimentation methodology and serve as the default partner for high‑stakes, complex experiments, collaborating with Strategy & Analytics, Engineering, Data Science, and Product on everything experimentation‑related.

This high‑visibility role reports into the Head of Strategy & Analytics. You will be the expert on causal inference where true experiments aren’t possible and help shape