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Cédric ArnouldCA

Cédric Arnould

Transition CTO | Technical Debt Expert

€950/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Cédric

VP Engineering & CTO specialized in critical contexts: refactoring legacy systems, delivery turnaround, and team structuring. My approach is systemic: I transform technical and organizational complexity into a lever for economic performance.

Expertise & Methodology:

ROI & Structure My goal is to shift from a "Cost Center" logic to a "Value Generator" logic:

- Rationalization & Technical ROI: I reduce TCO (Total Cost of Ownership) by cleaning up technical debt and optimizing infrastructure choices.
- Management through Structure (Org Design): "Without structure, there is no sustainable talent." I build autonomous, resilient, confident, and innovative teams by aligning the organization with the target architecture.
- Delivery Excellence: Streamlining production (CI/CD, DevOps) to reduce Time-to-Market.

Measured Impacts:

- Economic Performance: 30% infrastructure savings and -40% development costs through architectural simplification.
- Productivity: +35% delivered velocity after audit and reorganization.
- Turnaround: Strategic project unblocked and delivered in 6 months after 2 years of stagnation.
Resilience: Critical migration to 99.95% availability (Live Broadcast).


Intervention Context:

I operate in demanding environments (Scale-ups, B2B SaaS, M&A contexts) requiring a dual technical and budgetary vision. Stack: AWS/GCP, Kubernetes, Microservices, Python/PHP/JS, Data (PostgreSQL, RabbitMQ)
  • French

    Native or bilingual

  • English

    Conversational

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

Experience

  • Egis (Groupe 20K pers.)
    Cross-Functional Technical Debt Strategy
    TECH
    October 2024 - October 2024
    Saint-Quentin-en-Yvelines, France
    Challenge: Secure and rationalize the application portfolio of 5 group entities.
    ● Audit of heterogeneous architectures and risk mapping.
    ● Delivery of a remediation plan approved by the CIO (12 priority initiatives).
    ● Impact: 18-month technical roadmap and identified FinOps gains.
    IT Strategy Technical Audit Technical Debt DevOps Engineering Management
  • Acta Digital Services
    CTO & VP Engineering
    January 2022 - October 2024 (2 years and 9 months)
    • Lead the critical VIGICULTURE migration (Ministry of Agriculture) to Microservices.
    • Rescue of the ARVALIS project: Complete refactoring (architecture simplification) enabling delivery.
    • Impact: +150% technical revenue and implementation of DevOps/CI/CD standards.
    DevOps IT Strategy Software Architecture Technical Debt Agile Project Management
  • Edenred France
    Digital Factory Audit & Turnaround
    February 2022 - May 2022 (3 months)
    • Organizational diagnosis (Staffing, Budget, Process).
    • Resolution of bottlenecks and prioritization conflicts.
    • Impact: Return to operational performance in less than a quarter.
    Technical Debt IT Strategy Technical Audit Engineering Management

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Education

  • Executive MBA
    EPITA
    Executive MBA
  • Professional Certification (RNCP level 7) Expert in Information Systems Management
    IONIS STM
    Certification professionnelle (RNCP niv. 7) expert en management des système d'information

Skill set

Categories