Wissal Boutemadja
Senior Data Analyst
Salaire / Taux journalier
Paris, France
Freelance, ouvert au CDI
Peut venir sur site
Expertises
Langues
À propos
Introduction
Data Analyst with 5+ years expertise in business intelligence and data stack optimization. Led data teams improving conversion rates by 10% through advanced analytics using GCP, BigQuery, and Python. Specialized in user behavior analysis, automation, and strategic consulting for diverse industries including finance, hospitality, and e-commerce.
Expérience de travail
Data Analyst
Malt
mars 2025 - Présent
1 an 8 mois
Paris, France
Data Analyst
The Bradery
oct. 2023 - mars 2025
1 an 6 mois
Paris, France
• Managed the Data Team: Improved the data stack (Stitch, GCP, BigQuery, dbt, Looker), gathered and prioritized business needs, structured the team and defined data sprints • Analyzed user behavior data using dashboards built on GA4 and Heap, to better understand App and Site conversion paths (+10% conversion) • Implemented a low-code tool (Make) to automate certain internal processes and enhance the company’s analytical capabilities
Digital Strategy Analyst
SINGULIER
oct. 2022 - oct. 2023
1 an 1 mois
Paris, France
• Performed 5 strategic & digital due diligences for major private equity firms in different industries (marketing agencies, online home furniture, digital transformation): market analysis, competitive positioning assessment, financial analysis, and business plan review of targets • Evaluated the digital maturity of 3 companies, identifying areas of improvement in branding, online acquisition strategy and product, leading to enhanced efficiency and profitability
Assistant Project Manager
TotalEnergies
oct. 2021 - juil. 2022
10 mois
Douala, Cameroun
Contributed to the organization of the 3rd edition of the Startupper Challenge held this year in 32 African countries with a special focus on Cameroon. This initiative seeks to promote innovative business leaders and startups with projects that contribute to the UN Sustainable Development Goals.
Open Innovation / VC Analyst
Total
sept. 2020 - oct. 2021
1 an 2 mois
Paris, France
Data Analyst
ESSEC - Accenture Strategic Business Analytics Chair Freelance
janv. 2021 - juil. 2021
7 mois
Paris, France
Consultant for the Marketing Analytics Department of ACCOR • Improved Accor's destination recommendation algorithm during Covid-19, using Python to propose a new customer segmentation • Identified the top 5 destinations per customer based on their preferences and country entry requirements
Data Analyst
Finance 3.1
avr. 2019 - oct. 2019
7 mois
Région de Paris, France
• Constructed and audited financial forecasting models for large French groups (data collection and consolidation, creation of business plans, etc), thereby aiding strategic decision-making • Created an internal financial reporting tool via Power BI, yielding cost-optimization opportunities
Assistant Project Manager
GOSHABA
juin 2018 - août 2018
3 mois
Région de Paris, France
I took part in the development of the business (innovative digital recruitment solution) and in the implementation of the solution with clients.
Assistant Head of Finance
Centre Hospitalier Intercommunal de Créteil
juin 2017 - juil. 2017
2 mois
Région de Paris, France
Immersion in the hospital's financial management team: Planning the hospital's annual budget and cash flow analysis
Formation
ESSEC Business School
Master in Management, Programme Grande Ecole
2019 - 2022
4 ans
Université Paris Dauphine - PSL
Master's degree
2018 - 2019
2 ans
Universidad Autónoma de Madrid
Bachelor's degree
2017 - 2018
2 ans
Université Paris Dauphine - PSL
Degree in economics and management
2015 - 2018
4 ans
Lycée International Alexandre Dumas
Baccalauréat