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David Saint-PierreDS

David Saint-Pierre

Product Owner | Digital Project Manager

€400/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About David

For 3 years, I have been supporting companies in the management, design, and deployment of digital projects: SaaS platforms and mobile applications. From functional scoping to production launch, with constant attention to user experience.

My role is to translate business needs into operational solutions: scoping, writing specifications, Agile facilitation, coordinating multidisciplinary teams, steering committees with clients, and meeting deadlines.

With a background in software development engineering and a solid foundation in front-end development, I can communicate directly with technical teams and ensure smooth interactions between business and development.

I have managed projects in various sectors, including regulated environments like healthcare (GDPR, HDS, interoperability), accounting (accounting standards, GDPR), and real estate diagnostics (DPE regulations, building and housing code).

My approach: structure and prioritize to meet deadlines, even on complex projects, while maintaining constant communication with teams and clients.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 20km), Longjumeau (up to 20km)

Experience

  • SESPLAN
    Product Project Manager
    MEDICAL
    October 2025 - July 2026 (9 months)
    Paris, France
    Conducted a functional study with 200 hospitals, receiving 56 qualified responses. Rigorous analysis of business needs and scoping of the functional vision based on field issues reported.
    Established partnerships with 2 hospital groups, including 2 testing facilities, to validate the solution under real-world conditions.

    Wrote the functional specifications and translated business challenges into clear requirements for the technical team, co-designing with the business teams of the partner institutions.

    Managed the complete functional development of a SaaS platform delivered in 6 months, leading a team of 3 people (2 developers, 1 designer), meeting deadlines and quality requirements.

    Mapped business processes prior to deployment, structuring regulatory requirements (HDS, GDPR) and critical security issues for the technical team.

    Deployed to 2 partner institutions, including setting up a sandbox environment and outlining data migration, as well as participating in integration testing and functional acceptance phases.

    Provided training for business teams, wrote documentation and user guides, managed post-deployment support, and monitored operational impacts, including change management support.
    Functional Specifications Feature Definition Agile Project Management Digital Transformation Steering Committee
  • DEVPHANTOM
    Product Owner
    DIGITAL AND IT
    January 2023 - October 2025 (2 years and 9 months)
    Saint-Mandé, France
    Managed 5 complex digital projects for SMEs, including upstream business needs analysis and detailed functional specifications. End-to-end Agile facilitation, rigorous coordination between business needs and technical constraints, leading multidisciplinary teams.

    Systematically wrote clear functional specifications to ensure alignment between business and technical aspects, with design considered before development to limit rework and mid-course changes.

    Participated in integration testing and functional acceptance phases, managed incidents, and validated with business users until full resolution.

    Deployed to clients in various regions, including training key users and end-users, and writing documentation and user guides to facilitate post-deployment adoption.

    Managed post-deployment user support (configuration, incident diagnostics, resolution, and adjustments), monitoring results to measure the value created on projects conducted in various sectors: real estate diagnostics, accounting, and healthcare, each with its own business and regulatory constraints.
    Digital Transformation Agile Methodology Functional Specifications Team Management Project Management

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Education

  • Software Architect, Application Developer
    ETNA, Ivry-sur-Seine
    2019
    Formation en alternance combinant conception logicielle, architecture applicative et développement front-end. Le cursus intègre une forte dimension gestion de projet à travers le Grand Projet ETNA (GPE), mené en équipe sur la durée avec méthodologie dédiée, ainsi qu'un volet plan d'assurance qualité et veille stratégique. Cette double formation technique et projet constitue le socle sur lequel s'appuie mon pilotage de projets digitaux aujourd'hui.

Skill set

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