Freelancer profile translated to English.
Back to original languageAbout Corentin
Data Analyst with 10+ years of experiencein Business Intelligence, Data Visualization, Web Analytics, and Data Science, I support large groups, scale-ups, and agencies in leveraging their data to improve decision-making and business performance.
I work across the entire data chain:
✔ Data collection & tracking
✔ Data preparation & pipelines
✔ Data analysis & KPIs
✔ Dashboarding & visualization
✔ Reporting automation
✔ Web analytics & CRO
✔ Machine Learning & segmentation
Data & BI Expertise
Business Intelligence & Dashboarding
Power BI
Tableau Software
Looker Studio
Dataviz & storytelling
Creation of business KPIs
Executive dashboards
Data Analysis & Engineering
SQL
Python (Pandas, Scikit-Learn)
BigQuery
Databricks
Dataiku
Google Cloud Platform
Alteryx
ETL / data pipelines
Web Analytics & Tracking
Google Analytics GA4
Google Tag Manager (GTM)
Piano Analytics
Matomo
Server-side tracking
Tagging plans
Analytics & GDPR audits
CMP: Didomi, OneTrust, Axeptio, Cookiebot
Data Science & Machine Learning
Customer segmentation
Churn prediction
Lifetime Value
Anomaly detection
A/B testing
NLP
Types of Data Missions:
✔ Creation of Power BI / Tableau dashboards
✔ SQL & Python data analysis
✔ Reporting automation
✔ Data pipeline implementation
✔ GA4 migration
✔ Tracking & tagging implementation
✔ Product / marketing performance analysis
✔ Conversion optimization (CRO)
✔ Decision support
Data References:
I have supported companies such as:
BPCE
Pernod Ricard
Caterpillar
Ipsos
British American Tobacco
CNRS
Kiliba
Noiise
with missions related to BI, web analytics, tracking, data visualization, and machine learning.
Available for missions in:
Data Analysis
Power BI
SQL / Python
Dashboarding
Web Analytics
GA4 Tracking
Business Intelligence
Product analytics
Data Visualization
French
Native or bilingual
English
Native or bilingual
Spanish
Fluent
Can work on-site
Nantes (up to 50km), Rennes (up to 30km), Vannes (up to 50km), Annecy (up to 40km)
Experience
- Pernod Ricard SASenior Data Analyst | Marketing Mix Modeling (MMM)RETAIL (LARGE RETAILERS)July 2025 - Today (11 months)Paris, FranceMission within Pernod Ricard's international MATRIX program aimed at industrializing Marketing Mix Modeling (MMM) to optimize marketing investments and improve business decision-making.
Achievements
- Collection, consolidation, and preparation of multi-source data: sales, media & digital campaigns, promotional & pricing data
- Cleaning, structuring, and validating analytical datasets
- Harmonization of data across different markets, channels, and granularities
- Development and automation of data pipelines with SQL, DBT, Python, and Databricks
- Analysis and validation of Marketing Mix Modeling (MMM) output
- Analysis of marketing performance: ROI by channel, media leverage contribution
- Identification of inconsistencies and challenging results with a business & data-driven approach
- Ad hoc analysis to optimize marketing budget allocation
- Creation of summaries and business recommendations for marketing teams and stakeholders
- Cross-functional collaboration with Data Science, Data Engineering, and Marketing teams
StackSQL • Python • Databricks • DBT • Power BI • Tableau • Marketing Mix Modeling • Data Preparation • Data Quality • Business Intelligence • Data Visualization • Marketing Analytics - Touchpoint MédiaWeb Analyst & Tracking SpecialistDIGITAL AND ITJune 2025 - May 2026 (11 months)Nantes, FranceSupporting agency clients with web analytics, tracking, and digital performance measurement issues.
Achievements
- Google Tag Manager implementation
- GA4 migration and configuration
- Creation of tagging plans
- Tracking & analytics audit
- CMP configuration and GDPR compliance
- Creation of Looker Studio dashboards
- Pernod Ricard SASenior Data Analyst - Forecasting & PlanningRETAIL (LARGE RETAILERS)January 2025 - June 2025 (5 months)Paris, FranceContribution to improving sales forecast accuracy in a group and multi-market context
Achievements
- Preparation and validation of sales data (SQL, DBT, Databricks, Python)
- Support for forecasting algorithms (input data quality)
- Creation of POCs on new algorithms
- Analysis of forecast vs. actuals performance (accuracy, bias)
- Anomaly identification and business recommendations
- Integration and use of data in Anaplan
- Interface between data, supply, finance, and market teams
Reviews
Recommendations
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Data EngineerGrenoble INP2015Ecole d’ingénieur du groupe Grenoble INP: -Data analyse -Gestion de base de données -Data Mining, Big data, Data Science -Programmation informatique : Java, Python, SQL et VBA -Gestion de projet -Entreprenariat
- Quantitative Marketing - Master IIIAE Grenoble2016Data analyse, Etude de marché, collecte de données qualitatives et quantitatives,gestion de projet, prévisions des ventes, stratégie d’entreprise, marketing, communication, management, marketing digital.
Certifications
- Advanced Google AnalyticsSkillshop2019
