Freelancer profile translated to English.

Description

Freelance Data Analyst specializing in performance marketing and business management.

I help companies and brands transform their data into clear, structured, and decision-oriented dashboards.

My work involves analyzing data, identifying key indicators, and creating Power BI dashboards to track commercial, marketing, and operational performance.

I focus on:

– Sales and revenue analysis

– Marketing performance and digital engagement

– Business KPI tracking

– Support for strategic decision-making

My approach is both analytical and business-oriented: understanding challenges, simplifying data, and producing actionable deliverables.

Tools: Power BI, Excel, data modeling, marketing KPIs.

Available for freelance missions, one-off or recurring.

Industry field of expertise

Languages

French
Native or bilingual

Workplace preferences

Can work on-site

Lille (up to 50km)

– JANIELS -
Data Analyst POWER BI
September 2016 - December 2025 (9 years and 3 months)
• • Structuring and modeling commercial data (products, sales, customers, periods).
• • Data cleaning and transformation with Power Query.
• • Creation of Power BI dashboards for performance tracking: revenue, sales volumes, top-performing products.
• • Development of DAX measures for temporal and comparative analysis.
• • Implementation of decision support indicators and clear presentation of results through data storytelling.
Power Query PowerBI Excel Data Visualization Data Analysis
WIWIE
Data Analyst Marketing & Brand Strategist
January 2018 - Today (8 years and 7 months)
• • Collection, structuring, and analysis of commercial and marketing data (sales, traffic, digital channels).
• • Monitoring and analysis of marketing and business KPIs: revenue, conversion rates, channel performance.
• • Creation and updating of management dashboards for performance tracking and decision support.
• • Analysis of marketing actions' performance and data-driven optimization recommendations.
• • Contribution to the definition and adjustment of digital strategy based on data insights.
• • Coordination of brand projects with a performance and results-oriented approach.
Branding & Identity Social Media Marketing Content Creation Power Query
Malakoff Humanis
Liquidation Officer / Retirement Rights Analysis
November 2016 - Today (9 years and 9 months)
• • Analysis of data from professional paths (pay slips, contracts, histories).
• • Cleaning, verification, consolidation, and validation of heterogeneous data.
• • Quality control, anomaly detection, justification of discrepancies.
• • Application of complex and evolving business rules. Production of reports on volume, deadlines, case tracking. Automation of tracking via Excel and initial indicator construction on Power BI.