Freelancer profile translated to English.
Back to original languageAbout Charlène
Senior Data & BI Consultant, PL-300 Power BI certified, I help companies analyze and leverage their data through high-performing, scalable, and business-oriented Power BI solutions.
Specializing in the Microsoft BI ecosystem (Power BI, DAX, Power Query), I cover the entire value chain: from collecting business needs to data visualization, including modeling and reporting automation.
My key expertise:
- Data Modeling & OLAP Cubes: Structuring efficient and scalable models
- Power BI Dashboards: Dynamic, interactive dashboards tailored for business departments
- Advanced DAX & Performance: Complex KPIs, context management, optimization
- Detailed Functional Specifications (SFD): Clear formulation of business needs
- Power BI Training & Coaching: Rapid upskilling of teams, in-person or remote
Currently on a freelance assignment in a major bank, I have also trained numerous professionals in Power BI through intensive upskilling programs.
Available for assignments in data analysis, Power BI, reporting automation, or custom training.
French
Native or bilingual
English
Fluent
Can work on-site
Aix-en-Provence (up to 50km), Paris (up to 50km)
Experience
- BPCEData Analyst & Power BI Tech LeadBANKING AND INSURANCEAugust 2024 - Today (2 years)Aix-en-Provence, FranceAs a Data Analyst & Power BI Tech Lead, I am involved in a strategic project for managing marketing campaigns for a major player in the banking sector.Mission Objectives:
- Centralize, validate, and model data from heterogeneous sources
- Provide clear and efficient Power BI dashboards for business teams (marketing, sales, management)
- Improve decision-making through automated and relevant KPIs
Responsibilities:- Data Modeling: Power Query, star schema, relationship management
- Power BI Dashboard Creation: Campaign tracking, conversion rates, appointments & subscriptions
- Advanced DAX Development: Complex measures, conditional filters, cumulative formulas
- Technical Supervision: Best practices, functional support, user guidance
- Functional Scoping: Requirements gathering, workshop facilitation, iterations with business teams
Results Achieved:- Deployment of dynamic dashboards to several business teams
- Reporting automation, reducing analysis time by 60%
- Alignment of KPIs between operational and decision-making departments
- JANIELSBI Consultant & Power BI TrainerDIGITAL AND ITJanuary 2022 - Today (4 years and 7 months)I work with companies from various sectors to support them in their Business Intelligence projects and Power BI upskilling. My approach combines technical expertise, pedagogy, and strategic consulting.Services Offered:
- BI Consulting & Data Strategy
Analysis of business needs, development of BI architectures, technical recommendations, and support in implementing customized solutions- Power BI Report Design
Creation of dynamic and intuitive dashboards integrating advanced filtering, aggregation, and analysis features- Custom Power BI Training
Development of programs for all levels (beginner to advanced), alternating theory, practical cases, and exercises based on real-world scenarios- Post-training Coaching & Support
Individualized team follow-up to promote sustainable and autonomous adoption of BI tools💡 Technologies Used:Microsoft Power BI, DAX, SQL, Power Query, Oracle, Teradata, Azure - ServierPower BI Data AnalystPHARMACEUTICALS INDUSTRYDecember 2022 - September 2023 (10 months)Suresnes, FranceI supported Servier's business teams in developing Power BI decision-making solutions for managing their strategic activities.Responsibilities:
- Gathering business needs and writing functional specifications
- Data modeling in Power BI (star schema)
- Designing clear and interactive Power BI dashboards for end-users
- Updating the KPI dictionary for indicator standardization
- Creating a Power Apps application to centralize reports and simplify data access
- Training and supporting key-users and end-users on report usage
- Mentoring interns on Power BI (technical and functional coaching)
Results:- Easier and structured access to information thanks to Power Apps
- Accelerated dashboard adoption through targeted training
- Harmonization of indicators via a clear and shared KPI dictionary
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Education
- Master of Science - MS, Electrical, Electronics and Communications EngineeringUniversite de Lorraine2016Master of Science - MS, Electrical, Electronics and Communications Engineering
Certifications
- Microsoft Certified: Power BI Data Analyst Associate (PL-300)Microsoft