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Gaougaou RaphaëlGR

Gaougaou Raphaël

Data Automation & Applied AI

€450/day
Rouen, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Gaougaou

Do you have time-consuming manual reporting, dashboards that are never up-to-date, fragile Python scripts, or repetitive copy-paste tasks between tools that waste your precious time every week?

I design robust automations that connect your data, your tools, and, when relevant, AI, to eliminate these frictions permanently.

With a Data Scientist foundation (3.5 years in the energy sector, focusing on predictive and time-series models), I now work as a freelancer on:

- Automating reports and KPI dashboards (Python, SQL);
- Connecting tools via APIs or no-code workflows (Make, n8n);
- Cleaning, structuring, and quality-controlling scattered or unreliable data;
- Targeted AI integration (information extraction, classification, report generation), always with human validation, never as a black box;
- Taking over or improving existing scripts, with APIs or simple interfaces if needed (Flask, FastAPI).

I also designed and developed RGAnalyzer, a SaaS that transforms sales files (CSV/Excel) into ready-to-present business reports: KPIs, charts, data quality checks, PDF/Excel/PowerPoint exports. This project illustrates my work method: understanding business needs, ensuring data reliability, automating what needs to be automated, and delivering a simple solution usable by non-technical teams.

My goal: to deliver clear, robust solutions that your teams can use, not disposable scripts.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Rouen (up to 20km)

Experience

  • Freelance
    Data Automation & Applied AI
    TECH
    October 2024 - Today (1 year and 10 months)
    Rouen, France
    Design and development of business-oriented automation solutions for clients losing time on repetitive tasks: manual reporting, outdated dashboards, files scattered across multiple tools, processes relying too heavily on copy-pasting.

    My interventions include:

    · Automating reports and KPI dashboards (Python, SQL);
    · Connecting tools via APIs or no-code workflows (Make, n8n);
    · Cleaning, structuring, and quality control of data;
    · Targeted AI integration (extraction, classification, report generation), always with human validation;
    · Taking over or improving existing scripts, with APIs or simple interfaces if needed (Flask, FastAPI).

    These missions are supported by RGAnalyzer, a SaaS I designed and developed, which transforms sales files (CSV/Excel) into ready-to-present business reports: KPIs, charts, data quality checks, PDF/Excel/PowerPoint exports. It illustrates my work method: understanding business needs, ensuring data reliability, automating what needs to be automated, and delivering a simple, robust solution usable by non-technical teams.
    Python Automation SQL n8n/Make Artificial Intelligence
  • Freelance
    Data Prototypes, Reporting & Automation
    TECH
    October 2024 - October 2024
    Rouen, France
    Development of prototypes and internal projects around concrete use cases: reporting automation, indicator tracking, file analysis, information extraction from documents, automatic sorting, alerts, report generation, and structuring of recurring processes.

    These projects allowed me to work on several reusable components in different business contexts:

    · Data processing and structuring with Python;
    · Analysis of CSV/Excel files and business exports;
    · Creation of actionable indicators and visualizations;
    · Automation of repetitive tasks;
    · Extraction, sorting, and classification of information from documents or emails;
    · Generation of reports, work files, or summaries;
    · Inter-tool connection via API, Make, n8n, or custom scripts;
    · Occasional integration of AI components for sorting, summarizing, qualifying, or verifying information.

    These works served as a basis for more advanced solutions, including RGAnalyzer, as well as various adaptable business workflow prototypes for needs such as: opportunity qualification, administrative tracking, internal purchasing, document filing, reporting, or dossier preparation.
    Python Automation Data Engineering Machine Learning Data Analysis
  • RTE International
    Data Scientist / Python Developer
    ENERGY AND UTILITIES
    January 2021 - October 2024 (3 years and 9 months)
    Paris, France
    Development of data solutions and predictive models in Python for the analysis and forecasting of climate data within international energy projects.
    In-depth work on statistical and time-series modeling to anticipate long-term trends and feed decision-making processes.

    Design, maintenance, and improvement of automated processing pipelines (Python, SQL) for the collection, transformation, and validation of data from multiple sources.
    Processing large volumes of data, implementing consistency checks, and optimizing processing performance.

    Development of internal tools for the analysis and response to international calls for tenders: automated document search, extraction and structuring of technical information from heterogeneous corpora.

    Close collaboration with data, business, and technical teams in an international context, with high demands on the quality, traceability, and robustness of deliverables.
    Data Science Machine Learning Statistical Modeling Data Quality Time Series

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Education

  • Master's in Data Science
    Sup de Vinci
    2023
    Data, ML, Python, Big Data, projets data
  • Bachelor's in Commercial Development Management
    CFA Descartes
    2021
    Négociation, fidélisation, pilotage commercial

Skill set

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