Senior Data Analyst - Ecommerce CRO & AI-Driven Insights

Puffy; United States; Remote; USD 110,000 - 140,000; Full time

Benefits offered by this job

Premium health insurance

Generous leave entitlement

Monthly performance bonus

Annual salary review

Learning budget

Up to 50% product discount

Job summary

Puffy, a premium US mattress brand, is seeking a data analyst to lead experimentation and CRO initiatives. You will analyze A/B tests end to end, build hypothesis pipelines, and define success criteria to drive measurable impact.

You will join paid traffic data with site analytics, work in SQL and Python against raw event data, and build data pipelines across Shopify, GA4, Google Ads and BigQuery. The role blends analytics, storytelling, and collaboration with cross-functional teams.

Qualifications

• 3+ years in data analysis, experimentation, or CRO in e-commerce or high-traffic websites.
• Strong SQL with complex joins, window functions and CTEs.
• Working Python or R for data manipulation and statistical analysis.
• Proven A/B testing experience and statistical rigor.
• Hands-on GA4 experience with event-based tracking.
• Experience integrating ad platform data with site analytics.
• Ability to independently connect to multiple data sources.
• Clear communication of findings to non-technical stakeholders.

Responsibilities

• Analyze A/B tests end to end and deliver decision-ready recommendations.
• Build hypothesis pipelines, prioritize by impact, and define success criteria and sample sizes.
• Map user journeys to find funnel leaks and turn them into testable hypotheses.
• Join paid traffic data from Google Ads and Meta to site conversion data.
• Work directly in SQL and Python against raw event data.
• Build and maintain data pipelines across Shopify, GA4, Google Ads and BigQuery.
• Orchestrate agentic AI workflows to accelerate analysis.

Skills

SQL

Python

R

A/B Testing

GA4

Tools

BigQuery

Looker

Tableau

GA4

Job description

Puffy, a premium US mattress brand, is seeking a data analyst to lead experimentation and CRO initiatives. You will analyze A/B tests end to end, build hypothesis pipelines, and define success criteria to drive measurable impact.

You will join paid traffic data with site analytics, work in SQL and Python against raw event data, and build data pipelines across Shopify, GA4, Google Ads and BigQuery. The role blends analytics, storytelling, and collaboration with cross-functional teams.