About Stephen
Freelance Data Analyst with experience supporting start ups, scale-ups and established businesses across e-commerce, marketing and HR analytics. I help clients turn messy data into reliable reporting and clear business insights by building automated data pipelines, dashboards and robust KPIs using Python, SQL and modern BI tools. I have a strong track record in pricing analysis, A/B testing and campaign measurement, delivering statistically sound recommendations that improve revenue, efficiency and decision-making. Comfortable working independently or alongside cross-functional teams, I focus on practical, high-impact solutions that align closely with business goals.
English
Native or bilingual
Irish
Native or bilingual
French
Conversational
Can work on-site
Paris (up to 50km)
Experience
- ElsewhereData AnalystE-COMMERCENovember 2025 - January 2026 (2 months)
- Designed and implemented controlled promotional offer tests across customer segments, defining success metrics and building data pipelines to capture conversion, revenue, and engagement data from HubSpot.
- Analysed live campaign data using Python to evaluate customer response and purchasing behaviour, identifying statistically meaningful performance differences between offer variants.
- Conducted post-campaign statistical analysis and translated findings into clear business recommendations, informing future promotional strategy, offer design, and revenue optimization decisions.
- ElsewhereData AnalystE-COMMERCEDecember 2024 - July 2025 (7 months)
- Built Python scripts to automate data ingestion, cleaning, and transformation, consolidating multiple datasets into a single reliable reporting source and reducing overall reporting time by 39%.
- Conducted pricing analysis using sales trends, competitive benchmarks, and customer behaviour data to inform pricing strategies and improve profitability.
- Partnered closely with the business owner to define objectives, applied statistical modelling to develop KPIs, and delivered dashboards and actionable insights that supported data-driven decision-making.
- Permanent TSBData AnalystAugust 2023 - September 2024 (1 year and 1 month)Dublin, Ireland
- Designed and optimized SQL queries to enhance retention KPI reporting, reducing processing time by 38%.
- Developed interactive Tableau dashboards for real-time data visualization and analysis.
- Led a data migration project from legacy software to Power BI, resulting in an 88% reduction in data inaccuracies.
- Conducted training sessions for relevant departments on effectively using and leveraging new data visualization tools and dashboards to drive insights and improve decision-making.
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Education
- Masters in Science in Data AnalyticsNational College of Ireland2023
- Higher Diploma in Science in Data AnalyticsNational College of Ireland, Dublin2021