Marketing Data Analyst
Ultimate Insulation Supplies · Oct 2023 – Jun 2026
- Sole analytics resource for a D2C ecommerce business — building the full marketing-data, BI and forecasting function from scratch across a 2,000+ SKU Shopify estate and two sister companies.
- Analytics engineering & BI: built dbt-modelled data layers and Power BI/DAX dashboards integrating GA4, Shopify, paid media and SEO data — cutting manual reporting time 40% and giving the business self-serve, real-time insight for the first time.
- CRO & funnel optimisation: designed and ran structured A/B and multivariate tests across landing pages, product listings and paid-media creative — delivering 52% revenue growth and 40% conversion uplift through iterative testing, buyer-persona analysis and competitor benchmarking.
- Forecasting & churn: built Python forecasting models (10% accuracy improvement, 15% cost reduction) and SQL/R churn analysis driving a 10% increase in returning customers.
- Custom pricing & shipping engine: designed a rule-based pricing and shipping-cost system across 2,000+ SKUs — including volumetric-weight logic — replacing manual spreadsheets and directly supporting revenue growth.
- Cross-platform insight reporting: produced analysis across Shopify, GA4, paid media and CRM, surfacing actionable insight on inventory, logistics, campaigns and sales funnels for senior stakeholders.
- Root-cause analysis: analysed service-complaint data to surface failure patterns — improving on-time completion 12% and reducing repeat complaints 15%.

