Freelancer profile translated to English.
Back to original languageAbout Théo
Data Analyst | Expert Power BI | +5 years of experience
Hello, I'm Théo, an expertPower BIData Analyst. I help companies drive their business by implementingcustom BI solutionsthat address their specific needs.
My role: transforming your raw data into dashboards to boost your performance and manage your business.
1 - Needs Assessment and Audit
The most important part: understanding your business! I don't start coding until I understand your challenges to define the relevant indicators.
2 - Architecture and Data Engineering
Designing robust models (star schemas), developing complex ETL flows (Fabric, Google Big Query, Python, SQL, Power Query, DAX), and data cleaning.
3 - Dataviz and Interface Design
Creating intuitive, user-friendly, and visually appealing dashboards to ensure rapid adoption by your teams.
4 - Automated Reporting
Optimizing processing speed and implementing secure data flows (Dataflow, RLS, Scheduled Refresh).
5 - Support & Training
Upskilling your teams to make them autonomous on your BI tools.
Why entrust your project to me?
Full-Stack Expertise: From connecting to data sources (SQL/Python/Cloud) to the final rendering in Power BI Service.
Results-Oriented: A proven methodology to ensure data reliability, automate your reporting, and free up your collaborators' time.
Field Experience: Accustomed to working on critical issues (Finance, Sales, Operations) with the ability to translate complex problems into simple solutions.
Technical Stack
- BI & Viz : Power BI (DAX/ Power Query), Microsoft Fabric, Tableau, Looker
- Data : SQL, Python, GCP
- Tools : Git, Jira
Let's discuss your needs to structure your data and propel your management. Quick response guaranteed.
French
Native or bilingual
English
Fluent
Can work on-site
La Rochelle (up to 50km), Niort (up to 50km), Angoulême (up to 50km), Nantes (up to 50km), Poitiers (up to 50km)
Experience
- INNOV'IABusiness Data Analyst | Power BIRAW MATERIALS INDUSTRYMay 2024 - Today (2 years and 3 months)La Rochelle, FranceFor the Management Control department, implemented Power BI with available data (invoices, workshop downtime, OEE, etc...)- Gathering business requirements- Implementation and automation of daily reporting on Power BI- Implementation and automation of financial reporting on Excel- Automation of existing Power BI reports- Proposing and building new dashboards on Power BI- Power BI tool training
- DS RestaurationBusiness Data Analyst | Power BIRETAIL (SMALL BUSINESS)February 2021 - May 2024 (3 years and 3 months)Nantes, FranceWithin the Data & BI department, my role is to meet the needs of various departments (finance, supply, marketing, etc.) by implementing Power BI dashboards:- Gathering business requirements and identifying constraints and opportunities- Co-constructing the solution with the data manager- Collecting data (SAGE, Infologic, SQL, Excel, Sharepoint, etc...)- Creating dashboards including a star data model (transformation with Power Query) and DAX measures.- Creating, centralizing, and managing data flows (dataflow) on Power BI Service.- Migrating Power Query transformations to Talend- Migrating to Snowflake and dbt- Supporting and training users on Excel & Power BI Service- Mapping data tables with DataGalaxy.
- VRPImplementation of a Power BI report for sales trackingRETAIL (SMALL BUSINESS)August 2025 - August 2025Royan, France- Retrieving data from PDFs- Setting up an Excel database- Creating a dashboard including a star model (transformation in Power Query) and DAX measures- Publishing to Power BI Service
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Education
- Data ChampionDataBird2025Gestion de projet data SQL : extraction et manipulation de données Python : nettoyage, analyse et automatisation Power BI : visualisation et interprétation de données Autres applications : Tableau & Looker Studio
- M2 Audit and FinanceEM Normandie Business School2022🎓 Master 2 Audit & Finance (en alternance) Principaux enseignements : Semestre 1 : - Consolidation - Management des systèmes d’information - Audit - Analyse économique - Management et contrôle - Excel avancé Semestre 2 : - Ingénierie financière - Fusions-acquisitions - Gestion de la valeur - Évaluation d’entreprise - Analyse financière Mémoire de recherche : Blockchain et cryptoactifs : dans quelle mesure facilitent-ils le blanchiment de capitaux ? Tuteur : M. Eric Vernier Note obtenue : 15/20
Certifications
- TOSATOSA2022
- TOEICETS Global2021