About Gaëtan
Développeur logiciel / web – Backend & Architecture
⚡ Quelques informations sur moi
Développeur backend Golang / Python / PHP.
Forte expertise API REST / gRPC, services distribués, systèmes scalables.
Architecture logicielle : DDD, Clean Architecture, Hexagonal.
Qualité & tests : TDD, tests unitaires, d’intégration, contract tests.
DevOps : Docker, Kubernetes, CI/CD (GitHub Actions, GitLab CI).
Bases solides en sécurité applicative (auth, OAuth2, JWT, secrets).
À l’aise avec le full remote et les équipes internationales (anglais courant).
🧠 Stack technique
Backend
- Golang (Gin, Echo, Fiber)
- Python (FastAPI, Flask)
- PHP (Symfony, Laravel)
Architecture & Design
- DDD, CQRS (quand pertinent)
- Event-driven architecture
- Microservices / modular monolith
- Design patterns
DevOps & Infra
- Docker, Docker Compose
- Kubernetes (Helm, manifests, scaling, healthchecks)
- CI/CD (GitHub Actions, GitLab CI)
- Observabilité : logs, metrics, tracing (Prometheus, Grafana, OpenTelemetry)
Data
- PostgreSQL, MySQL
- Redis
- Message brokers (RabbitMQ, Kafka)
❓ Pourquoi faire appel à moi en tant que Développeur logiciel ?
→ Développement backend robuste et maintenable
→ Conception d’architectures scalables et testables
→ APIs performantes et bien documentées (OpenAPI)
→ Mise en place de bonnes pratiques (DDD, TDD, clean code)
→ Capacité à reprendre, refactorer et fiabiliser un existant
→ Forte sensibilité produit & business
❓ Pourquoi faire appel à moi en tant qu’Architecte / DevOps ?
→ Containerisation complète des applications
→ Déploiements Kubernetes fiables et automatisés
→ Pipelines CI/CD orientés qualité et rapidité
→ Réduction de la dette technique
→ Accompagnement des équipes sur les bonnes pratiques
🤝 On travaille ensemble ?
Full remote
Disponible pour missions longues ou ponctuelles
Communication async efficace (Slack, Jira, Notion)
Besoin de lancer un nouveau projet ou de réparer votre projet vibe codé ?
English
Fluent
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- LoupZeur OUGolang DeveloperDIGITAL AND ITJanuary 2025 - Today (1 year and 5 months)Tallinn, EstoniaDesigned and built a macOS graphical application in Go to analyze and process FCPXML files, automatically detecting and removing silent segments. Implemented efficient XML parsing, audio logic, and a native UI to streamline video editing workflows.Also developed the website using golang, templ and polar.sh for payments
- FreelanceBackend DevOpsTECHJuly 2018 - Today (7 years and 11 months)Various freelance assignments:- Development of various Android applications- Implementation of applications in Kubernetes- Development of API/Rest applications in PHP/Symfony- Development of API/Rest applications in Golang- Optimization of software architectures in Go (parallelization, memory and CPU profiling, bottleneck detection and associated patches)Development of various websites coupled with artificial intelligence in Python for various projects:- Development of a conversational receptionist AI for a call center- Development of a content filtering and analysis AI
- Lydia SolutionsDevops Golang/PHPBANKING AND INSURANCEJune 2022 - December 2022 (5 months)Paris, France- Design and development of several Golang applications (mainly APIs for generating statistics and data aggregations), managing deployments via Helm on ArgoCD, and monitoring via ELK.- Design and development of the React front-end to manage various Go applications.- Various bug fixes in PHP/Laravel
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Education
- Master Concepteur Développeur InternetSup2i2012Master degree CS : design and development of web applications, network architectures and computer security (web: sql injection, xsrf, ...; network: mitm, stp, rip, ...; and software: buffer overflow , exploit writing, ...).
- Licence Concepteur Développeur en Environnement DistribuéUniversité Robert Schuman2010License dedicated to software and network architecture in a distributed environment (multi-tier: micro service, etc.).
Certifications
- Golang CertifiedSkillValue2020