Freelancer profile translated to English.
Back to original languageAbout Olivier
Backend Developer · Symfony & API Platform · Freelance · DevOps
I design robust backend architectures and contribute to frontend development (Vue.js / React) to deliver cohesive end-to-end projects. My diverse background in startups, SMEs, and large corporations has forged a real adaptability in me: I quickly immerse myself in your constraints and work in Agile mode for fluid and transparent collaboration.
✦ Solid technical foundations: maintainable code, systematic tests, scalable architecture.
✦ Innovative solutions: integration of LLMs and advanced MCP technologies for intelligent and differentiating features.
✦ Eco-responsible commitment: resource optimization, green hosting, data compression to minimize environmental impact.
✦ Tech & business bridge: fluent English and varied experience to communicate effectively with all your stakeholders.
French
Native or bilingual
English
Fluent
Can work on-site
Lyon (up to 50km)
Experience
- FactomosE2E DeveloperSOFTWARE PUBLISHINGOctober 2025 - January 2026 (3 months)Lyon, FranceMission on a billing SaaS in production (Laravel).Complete absence of E2E tests upon my arrival.Complete implementation of E2E coverage with Playwright: test runner configuration, authentication helpers, reusable fixtures, and writing scenarios covering critical flows: authentication, quote creation, quote conversion, invoice, invoice generation.Integration into the CI/CD pipeline with manual triggering via workflow dispatch to validate releases before production deployment. Targeted bug fixes on the Laravel codebase, identified during application flow exploration.
- Mon Petit PlacementBackend DeveloperBANKING AND INSURANCESeptember 2022 - September 2025 (3 years)Lyon, France
Development and maintenance of the Mon Petit Placement API
I participated in the development and optimization of the Mon Petit Placement API, used by 25,000 active users, ensuring continuous availability without service interruption.Technical environment:- Backend: Symfony, PHP, API Platform
- Frontend: Angular JS
- Database: PostgreSQL
- Messaging: RabbitMQ
- Infrastructure: Docker, GitLab CI/CD, Kubernetes
Key contributions:- Implementation of automated tests (PHPUnit) to ensure code stability.
- Application support via HubSpot and GitLab.
- Design and development of backend features.
- Development of frontend features.
- Team collaboration with a customized Agile Kanban method.
- Management of version updates and evolutionary maintenance.
- Orange FranceFull Stack Developer (Apprenticeship)TELECOMMUNICATIONSJanuary 2020 - January 2022 (2 years)Lyon, France
Redesign and maintenance of an internal web application for managing mobile devices and IoT
I was responsible for the maintenance of a legacy application for managing mobile devices and connected objects (tests, testers, loans), developed in procedural PHP and native JavaScript.Complete redesign of the application:- Development of a modular system for creating tests in drag and drop.
- Management of test devices and loans
- Integration of external Orange tools via API
Technical stack:- Backend: API Platform,
- Frontend: Vue.js,
- CI: Docker, GitLab CI
Collaboration and methodology:Teamwork with a SCRUM approach for the redesign.Improvement of the tool's ergonomics, performance, and maintainability.
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Education
- Master's Degree in Web EngineeringESGI LyonMastère Spécialisé Ingénierie du Web
- Professional Bachelor's Degree in DevOpsUIT Lyon 1Licence pro DevOps