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Denis SevereDS

Denis Severe

CTO | Deputy CTO | CPTO

€700/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Denis

Need help structuring your IT infrastructure? Your platform isn't scaling? Lacking technical vision for your digital projects?

I can help.

With 20 years of experience in software architecture and technical leadership, I can assist you with:
✓ Structuring your systems architecture to support your growth
✓ Structuring your IT teams and implementing processes
✓ Optimizing your platforms (performance, security, infrastructure)
✓ Managing your complex digital projects

What sets me apart:

CTO Experience: I led the IT, Infra, Security, and Data teams at PrestaShop (scaling from 150 to 450+ employees)

Operational Vision: I understand business and technical challenges

Pragmatic Approach: Solutions tailored to your context, not "one-size-fits-all" consulting

Projects I'm involved in:
Technical Strategy • Audit and Optimization • System Architecture • Development Lead • IT Direction • Platform Redesign
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

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

Experience

  • Palcoyo
    Founder
    SOFTWARE PUBLISHING
    October 2024 - Today (1 year and 8 months)
    Bernay, France
    Supporting SMEs and associations in their digital projects.

    Leveraging 20 years of experience in web development and project management to offer tailored and innovative solutions.

    Expertise in load management, performance optimization, and complex systems architecture.
    Web Project Management IS Governance IS Architecture Google Cloud
  • PrestaShop
    Deputy CTO
    E-COMMERCE
    June 2018 - September 2023 (5 years and 3 months)
    Paris, France
    Leading the company's IT, Infra, Security and Data teams to support the company's business and growth.

    Member of the company's Leadership Team & Tech Lead Team

    Architecture of a new Company Data platform based on GCP, Looker, Ascend and Atlan.

    Implementation and rationalization of internal tools (contract negotiation, information system integration, governance definition)

    Implementation of processes and governance of internal tools to support the company's transformation => number of employees multiplied by 3 over the period -> 450+ employees
    IS Governance Leadership and Team Management Data Analysis Team Management Partnership Management
  • PrestaShop
    E-Commerce & Marketplace Technical Director
    E-COMMERCE
    July 2014 - May 2018 (3 years and 10 months)
    Paris, France
    Direct management of 15 people.

    Technical and strategic vision on the development and the evolutions to bring to the marketplace to accompany the strong development of the company over the period
    - Sales of third party extensions and internally developed ones
    - Customer support
    - Relationships with technology partners
    - reporting and accounting.

    Management of the Marketplace development team.

    Management of the Prestashop software extensions development team with the Prestashop brand (80+ extensions)

    40% increase in annual revenues over the period.
    E-commerce Team Management Marketplace Leadership and Team Management

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Education

  • Professional license SIL option DA2I
    University of Lille 1 Sciences and Technologies
    2005
    Licence professionnelle SIL option DA2I
  • BTS IRIS
    Paul Cornu High School
    2004
    BTS IRIS

Skill set

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