Freelancer profile translated to English.

Description

Senior BI Consultant with 12 years of experience in data analysis, modeling, and visualization (Power BI, Tableau, SQL, Python), I support companies in structuring their data marts and implementing robust, business-oriented decision-making solutions.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

CARBON IT
BI / Data Analyst Consultant
February 2025 - Today (1 year and 4 months)
• Participation in the DSO Cockpit project aimed at making data reliable and centralized for managing SAV and Darty Max subscriptions.
• Contribution to the functional and technical scoping of STG, Silver, and Gold data foundations on Google BigQuery.
• Definition of business rules, mappings, and enrichment logic for Silver flows.
• Close collaboration with the Dataform team for the technical implementation of transformations.
• Design and scoping of Gold datamarts, used for both business extractions and ancillary analytical reporting.
• Definition of structures and join keys to link SAV, subscriptions, and RCD scopes.
• Creation of optimized Power BI datasets from Gold, facilitating the implementation of business reporting.
• Development of robust Power BI models with dynamic DAX measures (monthly, weekly, temporal variations).
• Design of analytical and operational dashboards for DSO teams and management.
• Facilitation of scoping and validation workshops with DSO, DAIF, and Data Factory departments.
• Contribution to business and technical documentation: glossary, data dictionary, scopes in Confluence.
• Participation in COPROJ for validation of calculation rules and monitoring of BI deliverables.
• Guarantee of the consistency, quality, and performance of delivered models and indicators.
• Environment: Power BI, Google BigQuery, SQL, Python, Vertex AI, Airflow, Git, Confluence, under Agile SAFe methodology.
• Result: implementation of a unified BI foundation facilitating Power BI reporting and reliable dissemination of DSO indicators.
AXIANS
BI / Data Analyst Consultant
May 2023 - February 2025 (1 year and 9 months)
• Identification and collection of data.
• BI project management from scratch.
• Data retrieval and creation of a PostgreSQL database.
• Administration/Management of Tableau Server – PowerBI Server rights.
• Data preparation and creation of a database to store processing results.
• Coordination with business and technical teams.
• Technical documentation writing.
• Project management for new dashboard in SCRUM methodology.
• Data processing in DataPrep, respecting usage and performance rules.
• Monitoring of key KPIs.
• Design and optimization of DataViz according to graphic charter and UX standards, with an emphasis on simplicity and readability.
• Maintenance and improvement of existing dashboards.
• Support/training for business users and end-users.
BOURSORAMA BANQUE
BI / Data Analyst Consultant
April 2021 - May 2023 (2 years and 1 month)
• Analysis of customer journeys and segmentation.
• Structuring and enhancement of dashboards to track customer performance.
• Data reconciliation to optimize profitability.
• Participation in improving customer experience and conversion.
• Implementation of tagging plans and analysis of acquisition campaign performance.
• Support/training for business users and end-users.
• Technical documentation and dashboard automation.
• Collaboration with Data Scientists for advanced analysis.