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Paterne GayePG

Paterne Gaye

Solution Architect (Hands-on) – Critical Systems

€778/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Paterne

Hands-on Solution Architect with over 15 years of experience in complex information systems (SaaS, banking, regulated environments, critical legacy).

I support organizations in making pragmatic architectural decisions, balancing robustness, performance, security, costs, and deadlines, with a resolutely production-oriented approach.

I operate at a Senior / Staff level on distributed architectures, structuring decisions, and modernizing critical systems.

My leadership is benevolent and pragmatic: creating a clear and demanding framework, fostering collaboration, and enabling teams to deliver sustainably in production.
  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
Paris (up to 50km), Paris (up to 20km)

Experience

  • Indépendant
    Solution Architect (Hands-on) – SaaS Design and Delivery
    July 2025 - Today (11 months)

    Responsibilities

    Hands-on Solution Architect, design and delivery of SaaS for SMEs and VSEs.
    Architectural decisions, end-to-end delivery, and deployment of reliable and scalable solutions.

    Key Achievements:


    *BIP**VigiDoc** – Verification of the authenticity of official French administrative documents

    https://vigidoc.bip-tech.fr

    *BIP Vigilance (KYS)– Identification of risk signals from official sources, with generation of sealed and time-stamped PDF reports https://vigilance.bip-tech.fr

    *RConnect– Utility platform for associative use, designed for variable traffic and controlled costs

    https://www.rconnect.app
    NestJS Next.js FastAPI DevOps IS Architecture
  • Société Générale
    Solution Architect / Tech Lead – Critical Regulatory System
    BANKING AND INSURANCE
    March 2021 - April 2025 (4 years and 1 month)
    Fontenay-sous-Bois, France
    Solution Architect / Tech Lead on a critical banking system for regulatory compliance (ECB – NDOD).

    Architectural decisions, structuring trade-offs, and production security in a complex, high-volume IS.

    Technical leadership of international teams, prioritizing stability, security, and observability.

    Continuous deployment without major incidents in a highly regulated environment.
    Scrum Java IS Architecture Back-End Development English

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Education

  • Master's degree in MIAGE - Information Systems Engineering
    Aix-Marseille University 3 (Marseille)
    2009

Skill set (35)

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