You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Julien AdrienJA

Julien Adrien

Marketing Data Analyst

€210/day
4 projects
Paris, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Julien

Holder of a Master's degree in Marketing (Consulting profession), I specialize in data collection and statistical analysis applied to marketing. Highly versatile, I assist companies in designing studies and advanced quantitative analysis (regression, factor analysis, moderation) as well as in structuring and leveraging data through Excel. I create clear, tailor-made dashboards for activity monitoring, set up automated reporting, and optimize your management processes. As a consultant, I combine methodological rigor, teaching skills, and a focus on results to transform your data into operational and strategic levers.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Paris (up to 50km)

Experience

  • Rayon SAS
    Malt logoOn Malt
    Lead generation on the internet, and web scraping mission
    SOFTWARE PUBLISHING
    September 2025 - September 2025
    Paris, France
    Web scraping mission dedicated to collecting American, Australian, and Indian contacts from specific websites. I ensured the quality and relevance of the extracted data to guarantee its reliability. Database enrichment.

    *Data Extraction:Design of international web scraping workflows (Octoparse), extraction of 4700 leads.

    *Data Quality:Cleaning, enrichment, and structuring of databases (Excel) to deliver 1000 qualified leads.
    Web Scraping Data Collection Data Cleaning Data Extraction Microsoft Excel
  • Bouygues Telecom
    Client Retention Data Analyst
    TELECOMMUNICATIONS
    September 2024 - September 2025 (1 year)
    Meudon, France
    *Budget & Churn Strategy:Co-construction of a budget simulation and management tool (Excel, Tableau) with a senior consultant to optimize retention costs and reduce churn rate.

    *Customer Value Optimization:Identification of optimization levers via Salesforce, reducing off-plan discounts by 47%.

    *Customer Insights:Management of a 360° survey on fixed/mobile convergence to identify Customer Lifetime Value levers.

    *Data Quality & Governance:Audit and validation of collection and measurement processes to ensure reporting integrity, creation of methodological guides to ensure the sustainability of analyses.
    Tableau Software Microsoft Excel Monday Salesforce Data Visualization
  • Paris 1 Panthéon-Sorbonne
    Master's in Sales Marketing, Consulting and Marketing Research
    CONSULTING AND AUDITS
    September 2023 - September 2025 (2 years)
    Paris, France
    *Survey Methods:Mastery of qualitative (interviews, observations) and quantitative (questionnaires, ANOVA, regressions) techniques.

    *Strategic Consulting (Action Case Study):360° diagnosis and recommendation for a strategic pivot towards 'Smart-Discount', development of a prioritized and budgeted action plan on 3 pillars: Experiential Marketing, Logistics, and Human Resources, digitalization roadmap (AI, IS).

    *Sectoral Consulting:Analysis of the specifics of B2B, industrial, and service marketing, study of decision-making unit complexity.

    *Strategy & Innovation:Mastery of innovation models and their impact on value creation and capture.

    *Information Systems & Project Management:Process modeling (UML / Visual Paradigm), personalized solicitation algorithm, and Agile methods (Scrum, Trello).

    *Research Thesis:Analysis of the impact of AI-generated visuals (GenAI with Chat GPT) on advertising perception.

    *Data Science & Statistics:Machine Learning (Python / Scikit-Learn), multivariate statistics (R / SPSS), predictive modeling (Random Forest, Neural Networks...), clustering, correspondence analysis, hierarchical clustering, SEM.

    *Sensory Expertise:Triangle tests and internal preference mapping.

    *Text Data Analysis:Mastery of Iramuteq for semantic analysis of customer reviews.
    Microsoft Excel SQL R Language Python SPSS

Reviews

5.0

Out of 2 ratings

S

Stanislas

Excellent travail! - Rayon SAS

Reviewed on 12/10/2025

S

Stanislas

Rayon SAS

Reviewed on 10/31/2025

Recommendations

Be the first to recommend Julien

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Master's in Sales Marketing, Consulting and Marketing Research
    Paris 1 Panthéon Sorbonne
    2025
    - Techniques d’enquête en management - Marketing et communication - Big data, IA, data science (Python / R) - Stratégie d’entreprise - Management des systèmes d’information (Visual Paradigm / Python / HTML / Google Colab) - Expertise statistique (IBM SPSS, R) - Mémoire de recherche sur l’utilisation des visuels générés par IA et les perceptions du consommateur - Mention Bien
  • Bachelor's in Management
    Paris 1 Panthéon Sorbonne
    2022
    - Management - Comptabilité analytique et gestion financière - Gestion des ressources humaines - Administration des bases de données et requêtes SQL

Skill set

Categories