About Olivier
French
Native or bilingual
English
Fluent
Experience
- Mesh BoxCEO & Fullstack Lead Architect (Angular / Node.js)BANKING AND INSURANCESeptember 2023 - Today (2 years and 11 months)Paris, FranceAs the founder and Lead Architect of Mesh Box, I transform legacy and complex applications into competitive assets for businesses (banking, automotive, telecommunications).Common problem: Aging systems hinder growth, generate costly bugs, or block AI integration.Solution: I intervene in 'rescue' or modernization mode, alone or with my network of experts: rapid audits, scalable overhauls, AI integrations without downtime.🚀 Examples of concrete impacts:Legacy Modernization: Migrations from AngularJS to modern Angular → maintainable code, +50% average performance, zero production interruptions.Node.js/NestJS SLA Rescue: Fix critical bugs, optimize scalability → reduced downtimes and smooth maintenance on high-availability systems.AI/RAG Integration: Intelligent search engines connected to business data (ElasticSearch, etc.) → process automation, accelerated decisions, and rapid ROI.ROI-First Approach: Priority on sustainable, tested code (CI/CD), aligned with business value – no over-engineering.Discover detailed case studies at https://www.mesh-box.frAvailable as an independent contractor or through a staffing structure for large accounts. Contact me to unblock your project!
- IngenicoSenior Fullstack Developer (Angular / Node.js) - Critical EnvironmentBANKING AND INSURANCEApril 2018 - Today (8 years and 4 months)Paris, FranceAt Ingenico (a global leader in payment solutions), I worked as a Senior Fullstack Developer in an ultra-demanding environment:high availability, maximum banking security, millions of transactions/day.Main challenge: Managing critical transactional flows with zero tolerance for error, while maintaining responsive interfaces for internal teams and partners.Solution implemented:Angular/TypeScript + RxJS frontends for highly responsive transactional monitoring dashboards and terminal fleet management.Robust Node.js backends + secure API integrations compliant with PCI-DSS and banking standards.Implementation of CI/CD pipelines, unit/integration tests, systematic code reviews.Concrete results:Significant reduction in downtimes and critical incidents.Improved application scalability and maintainability.Smoother interfaces for operators → increased team productivity.This nearly 8-year mission allowed me to master secure and high-performance web architectures in a large enterprise context – skills directly transferable to your critical projects (security, scalability, zero downtime).
- Digital No LimitSymfony DeveloperFebruary 2018 - April 2018 (2 months)Persan, FranceAt Digital No Limit, within a team of 12, I contributed to the redesign of a web application for a mutual insurance company and the development of the company's skeleton bundle.Main challenge: Need for secure integrations and reusable features to accelerate future developments.Solutions provided:Implementation of secure authentication via SAML between the application and the client server.Creation of a reusable Symfony bundle for multiple file and image uploads across projects.Use of GitLab + GitLab CI for versioning, ticketing, and automated testing.Results:Secure communication compliant with client requirements.Scalable and ready-to-use upload component for the team.Smoother and more reliable development process.Technologies: Symfony 3/4, PHP, MySQL, JavaScript/jQuery, SAML, GitLab, Docker.This short assignment strengthened my backend PHP and secure integration skills – a solid foundation for my subsequent Node.js/Angular projects.
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Education
- RILA - Software Engineering Manager by ApprenticeshipCCI - Indre2008
- Hexagonal ArchitectureUdemy2024https://www.udemy.com/certificate/UC-062f2796-eff6-4296-bb93-8fa0e8edcf77/
Certifications
- D3.js Data VisualizationFreeCodeCamp2024
- Back End Development and APIsFreeCodeCamp2022