Freelancer profile translated to English.
Back to original languageAbout Mathieu
I improve the quality of Shopify e-commerce data to make GA4, Meta, and Google Ads reliable: audit, GDPR compliance, and tracking optimization.
If you have data trust issues, feel free to contact me to discuss and set up an audit of your store.
English
Fluent
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- CMA CGMWeb Data AnalystLOGISTICS AND SUPPLY CHAINFebruary 2022 - August 2025 (3 years and 6 months)Territoire de Belfort, FranceResponsible for the design and implementation of tagging plans for the group's main websites (300k sessions/day), with over 450 tags and 400 triggers configured on Google Tag Manager for Google Analytics, then creation of reporting in Looker Studio.Migration to Matomo and Contentsquare + integration of AB Tasty.I also provided support to UX researchers for the exploitation of data and analytics tools, as well as conducted data analysis in Python (pandas) using Snowflake data.
- BelleroseWeb Data Architect & BISeptember 2020 - August 2023 (2 years and 11 months)Design & architecture of a custom Web Analytics solution for the Bellerose e-commerce site- Design of the event tracking solution (custom tracking)- ETL design- Architecture, development, and administration of the data warehouse in Big Query, combining web analytics events and Shopify data integration- Data visualization with Tableau Software (30+ views) for precise and actionable insights- Solution maintenance for 2 years
- Airbus HelicoptersProject Manager (Apprentice)September 2017 - September 2019 (2 years and 1 month)Marignane, FranceManaged a cross-functional project during my 2-year apprenticeshipAnalysis of HR data & provision of decision support reports for the general management of Airbus Helicopters
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Education
- Master MIAGE Data Engineering and Decisions (I2D)IUP MIAGE Aix-Marseille2019réalisé en apprentissage chez Airbus Helicopters, service Organisation (voir Expériences)
- DUT Computer ScienceIUT Belfort-Montbéliard2016
Certifications
- Google Analytics (Beginner & Advanced)Google2019
- TOEIC : 840TOEIC2019