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Hugues O.HO

Hugues O.

Data Engineer | Python, SQL, Airflow, GCP

€590/day
2 projects
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Hugues

Freelance Data and Automation Consultant


🚀 +4 years of experience with clients from various industries(Start-ups, CAC40, IT Consulting firms)

**GCP Professional Data Engineer Certified** and Data Science Graduate

⭐⭐⭐⭐⭐ Over 20 projects delivered

🙋🏻‍♂️ Data and Automation Consultant


🙂 Who am I?

My name is Hugues.

I am aGCP Data Engineer and Python Developer**, I assist companies with their Data and automation challenges. I work on both No-code solutions (N8N) and custom Python solutions hosted on the **cloud(GCP ecosystem).

🙋🏻‍♂️ My Skills:

I have been involved in creatingdata flows, interfaces, and automation workflowsfor various types of clients and industries (Start-ups, Procurement and HR departments for CAC40 groups, E-commerce...)

I can help you with:

⬛ Audit of your existing data flows and proposal of a target architecture.

⬛ Development of automated data pipelines (ETL, API integrations, connectors).

*e.g.: Synchronization between your business applications, automatic feeding of your Data Warehouse, bidirectional interfaces with your internal tools*


⬛ Setting up cloud infrastructure and CI/CD to industrialize your data projects.

*e.g.: Deployment on **GCP**, automated workflows, monitoring and alerting*


⬛ Support and knowledge transfer to your teams.


🙋🏻‍♂️ Companies I have worked with:

⇒ Veolia, MylittleCoupon, CGI, Synlab, Pylote, La Banque Postale, Touton SA, Maison Pariès

I respond in less than 1 hour, Let's discuss your project!

Whether you are looking for aGCP data engineerin **Paris**, **Marseille**, **Lyon**, **Bordeaux**, or **Toulouse**, I am undoubtedly the right person for you!
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Veolia Environnement
    Data Analyst
    ENERGY AND UTILITIES
    July 2024 - Today (2 years and 1 month)
    Aubervilliers, France

    Data Engineer & Python Developer

    Design and development of data solutions for Procurement and HR departments.

    My role: transforming manual processes into automated, reliable, and monitored flows.

    Key achievements:

    - Redesign of a multi-entity data collection process: secure upload interface, automated workflow with notifications and reporting

    - Development of bidirectional connectors between the Data Warehouse and business applications: feeding enrichment workflows and re-injecting qualified data

    - Creation of user data entry interfaces for HR applications: extraction, transformation, API integration with delta management and automated alerting

    - Implementation of a complete CI/CD infrastructure for all projects

    Impact: critical processes moved from manual processing to industrialized pipelines in production.

    Stack:Python, SQL, BigQuery, Dataform, Cloud Run Functions, Cloud Composer/Airflow, Cloud Storage, PubSub, Terraform, GitLab CI/CD, Looker Studio
    Big Query Dataform Google Cloud Functions Google Cloud Storage Cloud Engineer
  • MyLittleCoupon
    Data Engineer GCP
    E-COMMERCE
    March 2025 - June 2025 (3 months)
    Paris, France

    GCP Data Engineer

    Implementation of a data infrastructure to cross-reference advertising data and sales data.

    Objective: to enable the client to measure the real performance of their marketing investments and make better decisions.

    Achievements:

    - Design of a multi-source ETL pipeline (Google Ads, Meta, Bing, Pinterest, Shopify)
    - Data modeling and advanced KPI calculations (customer segmentation, cohorts, comparison periods)
    - Creation of operational reporting accessible to business teams

    Impact: a unified view of advertising spend and its ROI, where data was previously siloed.

    Stack:Airbyte, BigQuery, SQL, REST API, Google Sheets
    ETL SQL Big Query Extract, Transform, Load (ETL) Reporting
  • Pylote.io
    Data Analyst
    DIGITAL AND IT
    January 2024 - June 2024 (6 months)
    Paris, France

    GCP Data Engineer

    Leveraging internal data to create decision support tools for freelancers.

    Objective: transform raw data into marketing assets (lead magnets) integrated into the website.

    Achievements:

    - Development of a data pipeline from the internal database to a cloud Data Warehouse
    - Data transformation and modeling to feed two interactive tools (freelance rate comparator, tech market analysis)
    - Creation of dashboards integrated into the website, publicly accessible

    Impact: internal data transformed into value-added tools for users and an acquisition lever for the company.

    Stack:Python, BigQuery, Cloud Functions, Cloud Scheduler, REST API, Looker Studio

    The dashboards in production can be seen here:
    Google Cloud Big Query Python Airtable API

Reviews

5.0

Out of 2 ratings

K

Karim

Smashed

Reviewed on 5/16/2024

I thank Hugues for his expertise and professionalism, he met my expectations. He also has excellent communication skills, I highly recommend him.
RonanR

Ronan

Ronan Camus

Reviewed on 5/15/2024

Hugues gave me very relevant advice during our consulting call! A valuable Data Analyst expertise on managing and understanding my company's data 💎 I will most likely use his services again for my data visualization topics.

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Education

  • RNCP Certification in Artificial Intelligence Development (Level 6: Bachelor's +4) in Apprenticeship, Computer Science (Data Science & AI)
    Simplon Nouvelle Aquitaine
    2022
    Certification RNCP Développeur en Intelligence Artificielle (Niveau 6 : BAC +4) en Alternance, Informatique (Data-Science & AI)
  • Higher Technician Certificate (BTS), Polymer / Plastics Engineering
    Lycée Marcel Dassault à Rochefort (17)
    2013
    Brevet de technicien supérieur (BTS), Ingénierie des polymères / plastiques

Skill set

Categories