Freelancer profile translated to English.
Back to original languageAbout Diane
Hello,
I am Diane Ngounou, a young talent very dedicated to my work. Over the years I have developed these skills:
BI Development & Reporting: Power BI (DAX, Power Query), SSRS – design of dynamic reports and interactive dashboards.
ETL & Data Integration: development and optimization of SSIS flows to populate data warehouses from multiple sources.
Modeling & Databases: creation of both tabular and multidimensional models (SSAS), Data Warehouse modeling and SQL query optimization.
Quality & Testing: data validity control, establishment of load tests and validation of essential indicators (Data QA).
Agile Methodologies: practice of Scrum and Kanban, integration into project teams, version management via Git.
Documentation & Governance: writing technical documentation and updating the KPI dictionary.
Collaboration & Communication: interface with functional and technical teams, popularization of BI issues with business units.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- MINISTÈRE DU TRAVAILDEVELOPERPUBLIC SECTORJanuary 2023 - September 2025 (2 years and 8 months)Paris, FranceContext: Redesign of the subsidized contract decision-making chain and maintenance of existing reports• Design, implementation, and enhancement of BI systems: creation of ETL processes via SSIS, MDX multidimensional modeling with SSAS, and development of interactive reports and strategic dashboards on Power BI.• Development of data models and reports: Creation of data models
- HABENTIS DATA SOLUTIONDATA ANALYST POWER BIRETAIL (LARGE RETAILERS)January 2022 - December 2022 (1 year)Charleroi, BelgiumImplementation of reports for monitoring sales and after-sales service activities.Technical Environment: Azure, DAX, SQL, Power BI, Report Builder.• Data quality analysis and DWH validation.• Creation of Tabular cubes• Data aggregation (DAX)• KPI dictionary update• Dashboard design• End-user support and training• Power BI report creation• Power BI services administration• Key-user support and training.• Paginated Report Builder report creation
- LEASEPLANDATA ANALYST SUPPLY CHAINAUTOMOBILEMarch 2021 - November 2021 (8 months)Paris, France: Implementation of a BI project for managing client AMAZON's vehicle fleet. Technical Environment: SALESFORCE, TURNKEY, GEOTAB, CRM, MOVEECA, SQL SERVER, SSRS, POWER BI• Requirements gathering and SFD writing (bus matrix, logical data map, KPI dictionary)• Functional testing and acceptance• Project monitoring from Design to Run phase• Report creation• Deliverable tracking• Organization of technological watch days
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Education
- DP-600 Certification: Implementing Analytics Solutions withMicrosoft Fabric2025Certification DP-600 : Implémentation de solutions analytiques avec
- Product Owner2025Product Owner