Freelancer profile translated to English.
Back to original languageAbout Tanguy
Senior fullstack developer specialized in Symfony with over 10 years of experience, I assist startups, SMEs, and large corporations in the design, redesign, and scalability of critical web applications.
Expert in demanding environments, I work on the entire application lifecycle: scoping, architecture, development, testing, CI/CD, deployment, and performance optimization.
💡 Symfony & Backend Expertise
✔️ Development of robust applications with Symfony 5, 6, 7
✔️ Design of high-performance REST / GraphQL APIs
✔️ Implementation of DDD / Hexagonal / Clean Architecture
✔️ Implementation of complex systems (authentication, SSO, multi-tenant)
✔️ Performance optimization and scalability (cache, queue, async)
✔️ Advanced security (OAuth2, JWT, SAML, OpenID Connect)
🧠 Technical Stack
Backend: PHP (Symfony, Laravel), Python (Django, FastAPI)
Frontend: Vue.js, React, Angular
DevOps: Docker, Kubernetes, GitLab CI/CD, GitHub Actions, AWS
Data: MySQL, PostgreSQL, Redis
Quality: PHPUnit, TDD, e2e tests, automated CI
🔥 Key Achievements
🔹 Design of a multi-tenant passwordless SSO system (SAMLv2 / OpenID) for a major insurance company
🔹 Development of a mobile medical application + Symfony dashboard with high volume
🔹 Redesign of a critical HR application → +30% operational gain
🔹 Lead dev on high-stakes projects (CentraleSupélec): architecture, quality, DevOps
🔹 Deployment of Dockerized applications with complete CI/CD pipelines
🎯 What I Bring You
Product + technical vision (not just code)
Clean, testable, and maintainable code
Strong ability to structure and secure a project
Total autonomy + clear communication
Business results-oriented approach
📩 Availability
Available for:
✔️ Long-term freelance mission
✔️ Technical support on critical projects
✔️ Symfony architecture audit / redesign
✔️ Lead developer / technical referent
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 10km)
Experience
- CentraleSupélecLead FullStack DeveloperPUBLIC SECTORJanuary 2026 - Today (5 months)Paris, FranceLead Fullstack Developer specializing in Symfony, responsible for the architecture, development, and deployment of critical business-critical applications.
- TansoftwareFreelance Fullstack DeveloperFebruary 2022 - Today (4 years and 4 months)Paris, FranceTansoftware is the structure I founded to carry out my freelance developer activity independently. It allows me to support clients of all sizes – freelancers, VSEs, SMEs, or public sector companies – on projects that are both short and structuring. I work on both MVPs to launch quickly and long-term projects requiring product vision, scalable architecture, and rigorous development practices. My work at Tansoftware covers the entire software production chain, from scoping business needs to post-deployment evolutionary maintenance.
- Startup MinelleCreation of the mobile application in Apple and Android versionsFebruary 2025 - February 2026 (1 year)Nantes, FranceDesign, integration, and deployment of a mobile application first on the Google Store and then on the App Store (Apple), for medical sector professionals with significant statistical analysis requirements. Also includes the creation of a comprehensive dashboard for application management.
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Education
- RNCP Level 7 Title – IT Systems Design Project Manager (IMIE)Titre RNCP niveau 7 – Chef de projet en conception de systèmes informatiques (IMIE)
- RNCP Level 5 Title – Web and Mobile Web Developer (AFPA)Titre RNCP niveau 5 – Développeur web et web mobile (AFPA)