Freelancer profile translated to English.
Back to original languageAbout Naïdine
Looking for a Data Analyst?
You've come to the right place.
I am a Data Analyst with over 5 years of experience in exploiting and leveraging data to drive business performance. I assist companies in collecting, analyzing, and transforming their data to produce reliable indicators and facilitate decision-making.
I have collaborated with companies such as JTEKT (Toyota Group), APRR, Descours & Cabaud, Fretly.
I can assist you with:
- Data analysis and the production of high-value insights
- Creation and automation of decision-making reports
- Design of interactive dashboards in Power BI and Tableau
- Definition, monitoring, and optimization of business KPIs
- Data extraction, transformation, and analysis with SQL and Python
- Consolidation of data from multiple sources
- Performing statistical studies and exploratory analyses
- Anomaly detection and identification of performance levers
- Automation of recurring processes and Excel files
- Production of commercial, financial, operational, or logistical analyses
- Assisting business teams in using and understanding data
- Documentation and dissemination of data best practices
Tools and technologies;
SQL (PostgreSQL, Snowflake), Python (Pandas, Polars), Power BI, Tableau Software, Advanced Excel (VBA, Power Query, Pivot Tables), Snowflake, Business Objects, Streamlit, and others.
I place great importance on understanding business challenges, the quality of analyses, and communication with my clients.
I also send regular progress reports to ensure full visibility of the work done.
Do you have a project?
Contact me, I respond in less than an hour.
French
Native or bilingual
English
Fluent
Spanish
Basic
Can work on-site
Lyon (up to 50km), Marseille (up to 50km), Saint-Étienne (up to 50km), Paris (up to 50km), Lille (up to 50km)
Experience
- JTEKT European OperationsAnalytics EngineerMay 2024 - Today (2 years and 2 months)My responsibilities:• Implementation of a modern data stack: Docker, Airflow, PostgreSQL, MinIO, DBT, Streamlit, and Power BI.• Development of a budget management and investment tracking application with automated alerts.• Industrialization of ETL pipelines with Python, SQL, and APIs (BOX, SharePoint).• Automation of budget summary and billing tracking files with Python and Excel.• Development of Power BI dashboards for financial and operational monitoring of industrial sites.• Setting up updates, distributing reports, and direct collaboration with finance teams in a bilingual English environment.• Production deployment of 3 automated reports used by over 100 users.• Setup of 3 daily and 1 weekly refreshes.• Daily monitoring of approximately 300,000 lines of industrial and financial data.• Centralization of data piloting from 30 plants.
- Lyon Ynov CampusData Analyst | MentorJanuary 2025 - January 2026 (1 year)Lyon, France• - Develop a deep understanding of data analysis methods and tools• - Learn to prepare, explore, and analyze complex datasets to extract relevant insights.• - Acquire data visualization skills to present analysis results clearly and compellingly.
- APRRAnalytics EngineerSeptember 2023 - April 2024 (7 months)Lyon, FranceMy responsibilities:• Complete redesign of Data/BI projects from requirements gathering to production.• Migration of data stacks: Python to Talend, PostgreSQL to Snowflake, Tableau to Power BI.• Industrialization of ETL/ELT pipelines and redesign of data models with a Medallion architecture on Snowflake.• Use of Snowflake stored procedures and dynamic tables to optimize analytical processing.• Development and maintenance of Power BI and Tableau Software dashboards.• Configuration of updates, alerts, and RLS security rules.• Facilitation of user workshops, technical documentation, and support for internal teams.I contributed to the following developments:• Complete redesign of 2 strategic Data projects involving migration of dashboards, ETL flows, and data storage.• Support for approximately 20 business users per project.• Supervision and operational maintenance of Talend flows, Snowflake databases, 25 Power BI dashboards, and 27 Tableau dashboards.• Improvement of the reliability of decision-making processes and reduction of manual tasks through automation.• Contribution to improving user experience and business decision-making through modernized BI tools.
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Education
- Master, Data science & Data engineerLyon Ynov CampusMaster, Data science & Data engineer
- Professional Bachelor's degree in Business Intelligence and Statistics Professions (LP MDS)IUT d'Aix-MarseilleLicence professionnelle métiers du décisionnel et de la statistique (LP MDS)