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Pierre G.PG

Pierre G.

Expert Tracking | GTM | Server Side | GA4 | GDPR

€500/day
29 projects
Paris, FR
3-7 years

Average response time: 4 hours

Freelancer profile translated to English.
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About Pierre

Hello, I'm Pierre, a digital analyst for over 4 years, with a technical profile, specializing in tracking.

My skills can be grouped into different themes:

⚙️ Data Collection/Tracking Implementation⚙️
  • Management of a TMS (such as Google Tag Manager, Tealium, Adobe Launch) client-side
  • Setting up your server (AddingWell, Stape) and managing server-side tracking via GTM
  • Tag deployment (Google Analytics, Google Ads, Facebook Pixel, TikTok Pixel, LinkedIn)
  • Implementing data collection for analytics solutions (GA4, Piano Analytics, Piwik Pro, Adobe Analytics)
  • Migration of analytics solutions while preserving or improving data
  • Creation of custom tagging plans for websites/applications
  • Tagging plan validation and audit of existing tracking

🫡 GDPR Audit and Cookie Banner (Consent Management Platform)🫡
  • GDPR Audit: Verification of correct tag triggering according to CNIL recommendations, in compliance with GDPR
  • Banner implementation: Cookie Bot (certified partner), Axeptio, Didomi, OneTrust
  • Adjustment of banner design and optimization for maximizing consent rate
  • Analysis of consent results correlated with analytics data

📊 Data Visualization📊
  • Creation of dashboards for better reading and understanding of your data via Looker Studio, Adobe Workspace, or Piano Analytics

👨🏻‍🏫 Data Analysis and Training👨🏻‍🏫
  • In-depth analysis to understand user behavior on your website and/or application, creation of custom reports for different needs (e-commerce, navigational, non-financial goal conversions)
  • I can work with GA4, Firebase, Piano Analytics, Adobe Analytics, Piwik Pro
  • I can also provide training on these same solutions to make you more autonomous and achieve better management of your digital assets
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Rennes (up to 50km), Marseille (up to 50km), Lyon (up to 50km), Lille (up to 50km)

Experience

  • SARL Tous au Château
    Malt logoOn Malt
    Audit - Tracking & GDPR Compliance
    October 2025 - October 2025
    • Review of the GTM container (variables, triggers, tags).
    • Functional testing of the cookie banner (acceptance/rejection/personalization/Consent ModeV2).
    • Audit of the Datalayer and the presence of e-commerce events on the ticketing system.
    • Delivery of a report.
  • PRODAKT
    Tracking Specialist / Web Analyst
    CONSULTING AND AUDITS
    April 2024 - Today (2 years and 2 months)
    Paris, France
    Media Tag Deployment & Tracking Implementation:

    • Installation and configuration of media tags for Google Ads, Facebook Pixel, and LinkedIn, enabling precise data collection optimized for ad campaign performance tracking.

    CMP Deployment & GDPR Compliance:

    • Implementation of cookie banners with solutions like Axeptio and CookieBot to ensure compliance with GDPR regulations and maximize user consent rates.

    Analytics Solutions Migration & Audit:

    • Comprehensive audit of existing tracking, identifying gaps and providing recommendations to improve the reliability of collected data.
    • Migration to Google Analytics 4 (GA4) with configuration of new events and parameters for in-depth user behavior analysis.

    Server-Side Configuration & Tagging Plan:

    • Implementation of server-side tracking with Google Tag Manager and Stape, enhancing the robustness and security of data collection while respecting privacy requirements.
    • Creation of custom tagging plans based on marketing objectives and product team needs.

    Data Visualization & Dashboarding:

    • Development of interactive dashboards using Looker Studio and Google Data Studio, allowing for intuitive and real-time analysis of data for better decision-making.
    Server-side tracking Tracking E-commerce Tagging plan CMP
  • SNCF Connect
    Analytics Consultant / Tracking Specialist
    TRAVEL AND TOURISM
    February 2023 - April 2024 (1 year and 2 months)
    Paris, France
    TMS & Data Collection:
    • Technical support and resolution of issues related to server-side tracking to optimize data collection.
    • Recommendations and quality control for Adobe Analytics data.
    • Migration of client-side connectors to server-side, including media partner APIs (Facebook, Criteo, TikTok) in server-side.
    • Creation of custom tagging plans and internal documentation of server request schemas adapted to business needs.

    GDPR Compliance & Privacy:
    • Support for GDPR compliance and deployment of the Didomi CMP, ensuring the security of user data.
    • Presentations and training on GDPR, IAB TCF 2.2, and Consent Mode V2, strengthening privacy awareness within the team.

Reviews

5.0

Out of 20 ratings

E

Emeric

Responsable data - Yumens

Several days project

-

Reviewed on 4/16/2026

The entrusted missions were carried out professionally and within the announced deadlines. I would not hesitate to work with Pierre again if the need arose.
A

Alan

Tracking GA4 et Google ADS - Mx moto

Reviewed on 3/23/2026

Perfect

Pierre has chosen to hide 1 review

1 written review is private.

Recommendations

Richard LavouraRL
Arthur T.AT
Amir K.AK
+4
Richard Lavoura and 6 other people have recommended Pierre

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Education

  • Master in Digital Strategies and Digital Innovation, Economics and Management
    Faculty of Economics of the University of Rennes
    2021
    - Economie et stratégie d'entreprise - Economie de l'innovation - Marketing - Stratégies digitales - Outils et méthodes d'aide à la décision

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