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Sébastien M.SM

Sébastien M.

PRODUCT OWNER - PRODUCT MANAGER

€590/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sébastien

Product-oriented with an ROI-driven and co-construction approach, I have a strong ability to unite and communicate with Business, IT, and Organization stakeholders.

With 15 years of experience across multiple sectors, I can manage complex projects. I know how to coordinate business and technical teams (internal or external) in a planned manner, or intervene within Lean-Agile organizations.

My expertise also covers the design of optimized UX journeys (Web, Mobile, SaaS) and supporting and training cross-functional teams.

An everyday AI explorer, I leverage this technology for product innovation and workflow efficiency.

Beyond my product expertise, I mobilize my PMO and Project Director skills to secure budget management, risk management, and adherence to schedule commitments.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • GROUPE LEROY MERLIN (ADEO)
    Product Owner – Digital, Data & AI
    RETAIL (SMALL BUSINESS)
    October 2024 - April 2026 (1 year and 6 months)
    Lille, France
    AI-driven Configuration Platform (2024 – Present) Managed a Gen AI engine acting as a virtual sales advisor, using LLMs to translate customer needs into complex recommendations. Result: Reduced integration time for a product configurator from 3 months to 2 hours.
    • Product Discovery & AI : Identification of AI use cases, KPI definition, product vision definition, PRD writing
    • Architecture : Definition of business and technical architecture in conjunction with enterprise architects and technical teams
    • Functional Design : Definition of user journeys (UX) for internal users and end customers and structuring of product data (Data Quality).
    • Delivery & Quality : Backlog management and prioritization, User Story writing, close collaboration with the Lead Tech for technical alignment, functional acceptance testing, and validation of production releases.
    • Adoption and documentation : Supporting Business Units in learning and using the GenAI solution. Implementation of RAG + LLM on project documentation.
    Results : Reduced development time for an online product configurator from 3 months to 2 hours of configuration for solution Power Users.
    Artificial Intelligence Feature Definition Delivery Management Product Ownership ROI
  • GROUPE LEROY MERLIN (ADEO)
    3D Storage Configurator – International Deployment
    RETAIL (SMALL BUSINESS)
    January 2022 - January 2025 (3 years)
    Ronchin, France
    Managed the "Custom 3D Storage" product: an omnichannel 3D design SaaS solution.
    • Governance & International: Led steering committees (SteerCo) in English and aligned stakeholders (Country Business Units).
    • Product Management: Defined roadmap, prioritized backlog by value, and managed publisher relations.
    • Delivery & Quality: Supervised acceptance testing and validated features to ensure compliance with business needs.
    • Deployment & Adoption: Orchestrated international rollout and unified Web-to-Store journey harmonization.
    • Performance: Optimized user experience (UX) to increase engagement and conversion rates (Adoption rate increased from 30% to 75%).
    Results: Doubled annual revenue and increased adoption rate from 30% to 75% by optimizing the conversion funnel and launching strategic features (weekly flow in the seven figures).
    E-commerce Product Owner 3D Modeling Product Launch Strategy ROI
  • GROUPE LEROY MERLIN (ADEO)
    Projects and Budget Estimator Space
    RETAIL (SMALL BUSINESS)
    January 2019 - January 2022 (3 years)
    Ronchin, France
    Solution enabling clients to declare their projects and obtain a personalized budget estimate based on the Group's accessible data.

    Key achievements:

    - Product vision, roadmap, and functional scope definition
    - Collaboration with data teams to model estimation logic
    - Customer journey redesign
    - Data pipelines feeding the Group's data lake (lead generation, market studies)

    Results:Scaled the product to handle 10,000 budget simulations weekly.
    Product Ownership Data Analysis User Journey KPI Definition and Monitoring ROI

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Education

  • Master in Marketing & Communication
    IAE Lille
    Master Marketing & Communication
  • Master's Degree in Marketing and Sales
    IAE Lille
    Maîtrise Marketing Vente

Skill set

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