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Damien GuiavarchDG

Damien Guiavarch

Supermalter

Product Owner / Product Manager digital and data

€550/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Damien

Freelance Product Owner with 13+ years of experience in steering digital and data products, I assist startups, scale-ups, and large corporations in the design, evolution, and optimization of their digital products.

My hybrid Product / Data / Performance profile allows me to transform complex business challenges into concrete, measurable, and business-value-oriented solutions.

🎯 My missions as a Product Owner
  • Defining product vision and building the roadmap
  • Prioritizing and managing the backlog (Scrum / Kanban)
  • Writing User Stories, functional specifications, and acceptance criteria
  • Facilitating agile ceremonies (Sprint planning, review, retro)
  • Coordinating business, tech, data, and UX/UI teams
  • Monitoring product performance through KPIs & analytics
📊 Data & Performance Expertise
  • Implementing and managing data platforms / CDP
  • Analytics & tracking (audit, tagging plan, reporting)
  • User experience & CRO optimization
💻 No-code, AI, and Automation Expertise
  • Creating websites on Lovable and Webflow
  • Creating automated processes via n8n
  • Writing specifications and benchmarking AI and automation tools
🧩 Key Experiences
  • Product Owner – Lefebvre Dalloz: implementing a Customer Data Platform, coordinating business & IT teams
  • Product Owner / Digital Performance Manager – Groupe BPCE: creating and managing a digital performance service
  • Freelance: supporting +50 clients on Product, Data, Analytics, and product optimization projects
  • BPCE: Managing a team of 8 people and projects including Banque Populaire, Caisse d'Epargne, and Natixis
💡 Why work with me?

✔ Clear and structured product vision
✔ Strong agile & delivery culture
✔ Results and business value-oriented approach
✔ Autonomy, pedagogical skills, and excellent interpersonal skills

📍 Available for Product Owner / Product Manager, Digital Project Manager, and Data missions.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Institut National du Cancer
    Product Owner Data Pseudonymization
    PUBLIC SECTOR
    January 2026 - June 2026 (5 months)
    Boulogne-Billancourt, France
    - Scoping the data protection needs for cancer patients
    - Managing the development backlog for Python and infrastructure (Creating a pseudonymization algorithm with strict security constraints)
    - Writing project documentation
    - Testing and delivering the project
    agile-project-management Reporting
  • Lefebvre Dalloz
    Product Owner Marketing Automation
    June 2024 - July 2025 (1 year and 1 month)
    Paris, France
    Martech Product Owner responsible for implementing the Tealium CDP within the 4 entities of the group: Lefebvre Edition, Dalloz, Legislative Edition, and Lefebvre Dalloz Training.

    ● Conducting workshops to gather business requirements and creating a use case library
    ● Writing the project scope, planning, and deliverables
    ● Writing user stories in Jira
    ● Daily monitoring and facilitation of agile rituals with business and IT teams
    ● Writing and sharing processes
    ● Creating ROI tracking reports for Martech analytics, automation, and testing projects
    Agile Methodology agile-project-management Reporting user-stories-and-technical-specifications
  • freelance
    Web Analyst and CRO Expert
    January 2021 - Today (5 years and 7 months)
    Supporting +50 clients (B2C and B2B) on short and long-term assignments:

    Scoping, backlog management, and agile steering of data/MarTech projects (CDP Tealium, pseudonymization, analytics) for various clients (healthcare, publishing, banking). Writing specifications, facilitating rituals, coordinating business/IT teams, testing, and go-live.
    agile-project-management Reporting Performance Management Backlog Management

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Education

  • Google Analytics 4
    2023
    Google Analytics 4
  • Google Tag Manager
    Content Square
    2023
    Google Tag Manager

Skill set

Categories