Freelancer profile translated to English.
Back to original languageAbout Haidara
Senior Data Analyst
I transform complex data into concrete decision-making levers. Proficient in Power BI, Python, SQL, and Dataiku, I handle the entire data chain, combining analytical rigor, quality deliverables, and team support.
- Business needs qualification & data modeling
- Automation and optimization of data flows
- Design and monitoring of Power BI Dashboards/reports
- Implementation and monitoring of KPIs
- RFM segmentation & predictive analysis
- Facilitating workshops, supporting and coaching teams
Certifications:
- Microsoft Certified: Power BI Data Analyst Associate (PL-300)
- Core Designer Certificate
- Advanced Designer Certificate
- Developer Certificate
- ML Practitioner Certificate
I am currently seeking new Data opportunities with strategic and significant challenges.
Mobility: Île-de-France
Availability: Immediately
Daily rate negotiable (depending on context/mission duration)
Feel free to contact me for any discussion or to share your needs.
Mail:
Tel:
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- bnpparibasData Analyst/ Dataiku DeveloperBANKING AND INSURANCEJune 2025 - Today (1 year and 2 months)Montreuil, France**Project Context**:Facing performance issues on several Power BI reports, the general inspection department initiated a migration of data preparation to Dataiku. I am leading the complete setup of this environment from scratch, with optimized pipelines for about ten reports.**Activities**:
- Diagnosis of performance issues on all existing Power BI reports
- Data ingestion and transformation through the setup and configuration of Dataiku flows
- Migration of data preparation pipelines (Python & Power BI) to Dataiku
- Connection of Power BI reports to Dataiku outputs stored in Oracle
- Coaching and support for teams in adopting the new environment
**Results**:- Optimized, dynamic, and high-performing dashboards
- Efficient and documented data processing pipelines
- Scalable Power BI semantic model available as needed
- L'Oréal SA - L'Oréal FranceData Analytics & VisualizationFASHION AND COSMETICSApril 2024 - May 2025 (1 year and 1 month)Clichy, France**Project Context**:Within a team of 8 people, I designed and deployed data solutions (Dashboards, applications) to optimize inventory management and monitor new product creation projects.**Activities**:
- Gathering and formalizing business needs to align solutions with field challenges
- Creating Scheduled Queries via BigQuery for automated data feeding
- Designing and developing interactive Dashboards with business indicator calculations in DAX
- Deploying Power Apps applications for field data acquisition
- Automating data flows via Power Automate to optimize processes
- Conducting Power BI workshops to support teams in data utilization
**Results**:- My Stock Consultation: quick location of raw materials in stock
- Overview Project: global and centralized view of new product creation projects
- Viscosity Adjustment: decision-making aid for formulators in shampoo adjustment
**Functional Environment**: Agile methodology, Project management**Technological Environment**: R, Python, GCP BigQuery, Power BI, Power Apps, Power Automate, SQL - L'Oréal SA - L'Oréal FranceData Quality AnalystFASHION AND COSMETICSOctober 2022 - April 2024 (1 year and 6 months)Clichy, France**Project Context**:As part of a data governance project, I implemented a quality scoring system to evaluate the maturity and criticality of data attributes essential for business projects.**Activities**:
- Audit of existing data to identify anomalies and areas for improvement
- Deployment of quality control rules to ensure data reliability, consistency, and compliance
- Writing functional specifications for optimized data management
- Creation of dashboards to monitor remediation actions and continuous improvement
**Results**:- -50% errors on flash point value & flash point range due to the implementation of automatic value qualification
- Development of TaxoMap, a tool for mapping data maturity and criticality
**Functional Environment**: Agile methodology, Project management**Technological Environment**: R, Python, GCP BigQuery, Power BI, Power Apps, Power Automate, SQL
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Education
- Master Data sciences and business analysisEDC business school2022
- Big Data and Risk Analysis with PythonUniversity of Montpellier2021
Certifications
- Microsoft Certified: Power BI Data Analyst Associate (PL-300)Microsoft2024