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Guillaume KreissGK

Guillaume Kreiss

Senior Product Manager

€555/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Guillaume

With 10 years of experience in digital, I have evolved as a developer and then product manager in large groups as well as startups. I have thus developed technical and functional skills.

⭐️ My strengths
Dual technical and functional expertise
Ability to adapt quickly
Knowledge of No-code tools

🚀 My skills
Discovery, ideation, workshop facilitation
No-Code prototype creation
Roadmap, prioritization
Writing user stories, backlog management
Testing, deployment, product marketing



  • French

    Native or bilingual

  • English

    Native or bilingual

Can work on-site
Paris (up to 10km)

Experience

  • Medicalib
    Head of Product and Product Manager
    HEALTH AND WELLNESS
    July 2020 - December 2024 (4 years and 6 months)
    Paris, France
    First Product Managerat Medicalib, a platform for booking appointments for home care and organizing care in private practices.

    - Created a mobile application from scratch. Adopted by75% of userswithin 1 year.
    - Implemented No-code tools. Used Weweb for the patient website and to quickly test new initiatives.
    - Built the product team, which now has 8 members.
    - Implemented Agile and a squad system.
    - Optimized the website and conversion funnel.+100,000 visits per monthand40%conversion.
    Product management product owner Mobile Application No code UX Agile method Scrum KPI Product roadmap Product Discovery Delivery Management Regulations Data analysis
  • Artcurial
    Product Manager
    LUXURY GOODS
    January 2019 - July 2020 (1 year and 6 months)
    Région de Paris, France
    Product Manageron assignment at an auction house, via Cirruseo/Accenture. Managed the development of the complete overhaul of the internal and external information system.

    - Implemented a real-time online auction system, connected to the auction room. Delays of milliseconds for price updates.
    - Redesigned a Back Office to manage lot creation, storage, labeling, invoicing, and payment.
    - Managed a multidisciplinary team, with 8 developers, 3 product owners, 1 UX designer, and 1 QA.
    Project management Team management Agile method Google cloud Product management product owner Product Discovery Delivery Management
  • Veolia
    Product Manager
    ENERGY AND UTILITIES
    January 2018 - December 2018 (11 months)
    Région de Paris, France
    Product Manageron assignment at Veolia, via Cirruseo/Accenture. Managed the migration to Google Cloud within the headquarters for the SATAWAD mission.

    - Facilitated user interviews and workshops.150 interviews/workshopsconducted.
    - Managed a multidisciplinary team, with 4 developers and 1 product owner.
    - Migrated or developed software and files.+2000 caseshandled.
    - Used Google Cloud technologies (G Suite, Apps Script, AppMaker, GCP).
    Product management product owner Low-code Interviews Agile method Product Discovery Delivery Management

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Education

  • Engineering degree
    ESME Sudria
    2014

Certifications

  • PSM I - Scrum Master
    Scrum.org
    2018

Skill set

Categories