Freelancer profile translated to English.

Description

I help you transform your data into concrete decisions through SQL, Python, and Power BI.

I focus on data analysis, reporting automation, dashboard creation, and the implementation of reliable indicators to drive your business.

My added value: real experience at Cdiscount in pricing performance analysis and statistical modeling (causal inference), enabling me to provide precise, robust, and directly actionable analyses.

Types of projects carried out:

Data cleaning and preparation (SQL / Python)
Creation of automated Power BI dashboards
Exploratory & statistical analyses
Implementation of KPIs & decision-making tools
Data audit and validation

Available for one-off or ongoing missions.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

Diverses entreprises (missions ponctuelles)
Freelance Data Analyst Consultant
DIGITAL AND IT
November 2025 - June 2026 (7 months)
Paris, France
Carried out one-off data analysis missions to support companies in managing their business, improving data quality, and automating reporting. Involved in data preparation, analysis, and visualization issues in collaboration with business teams.

My responsibilities:

Collection, extraction, preparation, and cleaning of data from various sources.
Quality control, structuring, and validation of datasets.
Development of Power BI dashboards and creation of KPIs tailored to business needs.
Production of exploratory analyses and decision-support indicators.
Automation of reporting to reduce manual tasks.
Data analysis using SQL and Python to identify trends and improvement opportunities.
Documentation of deliverables and support for users in dashboard utilization.

Technologies & tools:

SQL • Python (Pandas, NumPy) • Power BI • Excel • Power Query • Git • Jupyter Notebook
data-cleaning-and-preprocessing Python Data visualization PowerBI Data analysis
Cdiscount
Data Analyst
E-COMMERCE
March 2025 - September 2025 (6 months)
Bordeaux, France
Data Analyst mission within the Pricing team, with the objective of measuring the impact of pricing strategies and developing decision-support tools. Collaboration with Pricing, Data Science, Data Engineering, and BI teams.

My responsibilities:
Analysis of the impact of pricing actions on business KPIs (Revenue and Gross Margin).
Development of a causal inference framework to measure the impact of price changes in the absence of A/B tests.
Extraction, preparation, and transformation of data using SQL (Snowflake).
Performing statistical and exploratory analyses in Python (Pandas, NumPy, SciPy, Statsmodels).
Designing Power BI dashboards for monitoring pricing KPIs, sales performance, and product performance.
Analysis of over 700,000 Marketplace products to identify items with low business value and assess the impact of catalog cleaning (approx. 6% of views for <1% of revenue).
Development of 10+ SQL quality checks on Snowflake to ensure the reliability of pricing data (detection of duplicates, anomalies, data consistency, and daily feed control).
Collaboration with Data Engineers to optimize Snowflake tables and ensure the reliability of datasets used by business teams.
Technologies & tools:

SQL (Snowflake), Python (Pandas, NumPy, SciPy, Statsmodels), Power BI, Git, Jupyter, Confluence, Jira, Statistical methods (causal inference, AR(1), Newey-West).
Data analysis Performance monitoring Collaboration and communication Data modeling KPI Dashboards
Buffalo grill
Assistant Manager
RESTAURANTS AND FOOD SERVICE
June 2022 - September 2024 (2 years and 3 months)
Calais, France
Participated in the operational management of a high-traffic restaurant, ensuring team coordination, administrative follow-up, and smooth service delivery. This experience allowed me to develop skills in organization, management, priority management, and operational control in a demanding environment.

My responsibilities:

Management and coordination of front-of-house teams to ensure service flow.
Organization of priorities and adaptation to activity variations.
Participation in daily administrative monitoring of restaurant activity.
Verification of order and payment consistency before closing.
Management of reservations and updating of operational information.
Coordination between teams (front-of-house, kitchen, and management) to ensure effective communication.
Rigorous monitoring of orders and resolution of anomalies to minimize errors.
Ensuring compliance with operational procedures and quality standards.
Development of customer relations focused on service quality and satisfaction.
Team management Communication Administrative management Inventory management Performance monitoring