Freelancer profile translated to English.
Back to original languageAbout Oumou
Data & BI | Power BI, Excel, Power Query, SQL
Hello, I am a Data & BI consultant.
I help SMEs, e-commerce businesses, and sales teams to make their data reliable, clarify their KPIs, and automate their reporting.
My goal is not just to create dashboards.
I primarily help companies obtain reliable, readable, and useful figures to manage their business.
My intervention covers several stages of your Data projects:
🎯 1. Scoping & understanding the need
I start by understanding your business, your data sources, and the decisions you need to make.
The objective: define truly useful KPIs, not just add charts.
⚙️ 2. Data cleaning & structuring
Reliable data is essential before any analysis.
I help you clean, organize, and make your files or exports reliable:
- Date and amount formats
- Duplicates
- Inconsistent statuses
- Missing data
- Consolidation of multiple sources
- Data preparation for reporting
📊 3. Reporting & dashboards
I build clear steering tools with Excel, Power Query, Power BI, or Looker Studio.
The objective: track the right indicators, save time, and reduce manual reprocessing.
📌 Examples of needs addressed
- Tracking turnover, margin, orders, and average order value
- Sales analysis by product, customer, channel, or period
- Sales or e-commerce reporting
- Cleaning Excel files or raw exports
- Automation of monthly reports
- Creation or redesign of Power BI dashboards
- Documentation of calculation rules
💻 Technical Stack
- Visualization: Power BI, Looker Studio, Excel
- Data preparation: Power Query, Excel
- Analysis: SQL, business KPIs, data quality control
- Web / Marketing: GA4 as needed for reporting
Need to make your data reliable, automate your reporting, or create a truly useful dashboard?
Let's discuss your project.
French
Native or bilingual
Can work on-site
Paris (up to 50km), Paris (up to 50km), Le Havre (up to 20km), Lille (up to 20km)
Experience
- AMWA AND CO
On Malt
Excel Structuring and Purchasing Analysis – Pivot Tables, Pareto and Supplier DatabaseRETAIL (SMALL BUSINESS)May 2026 - May 2026I assisted AMWA AND CO in structuring and analyzing their purchasing data to improve the tracking of expenses, suppliers, and product categories.The mission involved cleaning and organizing existing Excel files, harmonizing supplier data, structuring a usable database, and creating pivot tables to facilitate analysis.Implemented a Pareto analysis to identify the suppliers and categories representing the largest share of purchases. The objective was to quickly highlight the most strategic areas and help prioritize actions.Key achievements:- Cleaning and structuring of purchasing data
- Creation of a supplier database
- Implementation of pivot tables
- Pareto analysis of purchases
- Identification of key suppliers
- Preparation of a clear database for reporting and decision support.
This mission resulted in a more reliable, readable, and usable view of purchases, with simple indicators to track spending and identify key optimization levers. - TF1 PUBDigital Marketing Studies OfficerFILM AND AVSeptember 2021 - December 2023 (2 years and 3 months)Monitoring and analysis of data related to TV and programmatic TV campaigns.Production of regular reports from multiple data sources: turnover, volumes, key indicators, and campaign performance.Data consolidation, Excel file structuring, and creation of tracking tables to facilitate the reading of results by internal teams and partners.Contribution to the analysis of results, campaign reviews, and data-oriented sales requests.
- Fnac SpectaclesDigital Marketing AssistantE-COMMERCEFebruary 2019 - July 2019 (5 months)93170 Bagnolet, FranceData reporting and customer knowledge analysis from CRM data.Exploitation and structuring of customer data for performance tracking (campaigns, volumes, key indicators), creation of regular reports and usable tracking tables.Participation in data structuring projects: cleaning, file consolidation, automation of Excel processes, and redesign of reporting models.Work on Excel to make data reliable, facilitate targeting, and improve the readability of information for business teams.
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Education
- Master 2 (M2), Data Analytics and Marketing ManagerOMNES Education2023Master 2 (M2), Data Analytics et manager en marketing
- Master 1 (M1), Digital MarketingOMNES Education2021Master 1 (M1), Marketing digital