Freelancer profile translated to English.
Back to original languageAbout Stéphane
🚀 Senior Full-Stack Developer - Laravel・ Next.js・AI Integration
34 projects completed · 5/5 rating · 19 client reviews · Supermalter level 3
Available for long-term projects (3-6 months) and technically high-value projects
Software developer and architect with over **20 years of experience**, I design **complex web applications, SaaS platforms, and scalable cloud infrastructures**.
I primarily work with **Laravel, React, and AWS**, with an approach focused on **quality, performance, and sustainable architecture**.
Over the years, I have developed and maintained several **SaaS products and web platforms**, which has given me a comprehensive view of a digital product: **architecture, development, infrastructure, SEO, marketing, and acquisition**.
I also work on integrating **artificial intelligence solutions into SaaS products**, particularly with:
- Claude
- OpenAI
- AI agents
- Laravel AI SDK
I have participated in several SaaS projects in the **medical sector**, using AI to automate processes and improve data analysis.
Alongside my freelance missions, I also develop **my own platforms and web projects**, which allows me to remain very pragmatic about the real challenges of a product: **scalability, user acquisition, and business performance**.
🔧 Expertise:
- SaaS & Microservices Architecture
- Laravel / PHP · NestJS · Node.js
- React / Next.js
- AWS / Kubernetes / Terraform / Docker
- PostgreSQL / PostGIS / pgvector
- DevOps & CI/CD (GitLab CI, Terraform)
- AI Integration: Claude API · OpenAI · AI agents
- Stripe · REST API · N8n
Based in Japan, I regularly work with **European and international clients remotely**.
Available for remote 3-6 month projects. Response within 2 hours.
Recent clients: VodFactory (SVOD/TVOD/FAST architecture), CSARRconnect (SMR medical AI platform)
Japanese
Fluent
English
Fluent
Korean
Basic
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- VOD FactoryTech Lead & Senior Software Architect — SaaS VOD · AWS · KubernetesENTERTAINMENT AND LEISUREJanuary 2021 - Today (5 years and 7 months)Paris, FranceTech lead and architect of amulti-tenant VOD SaaS platformused by European media and telecom players (SVOD · TVOD · FAST).Involved in **architecture design**, critical feature development, and cloud infrastructure modernization.Key achievements
- AWS/Kubernetes microservices architecture —99.9% uptime over 12 months
- Automated zero-downtime deployments via Terraform + GitLab CI
- OTT APIs consumed by several media platforms in production
- HubSpot + Elasticsearch integration for catalog and CRM management
- Large-scale video catalog ingestion, encoding, and distribution
Stack- Laravel · PHP · AWS · Kubernetes · Docker · Terraform · MySQL · GitLab CI
- Csarr Connect
On Malt
Full-Stack Developer — Laravel · React.js · Medical AIHEALTH AND WELLNESSAugust 2024 - February 2026 (1 year and 6 months)Paris, FranceDevelopment of amulti-tenant medical SaaS platformwith two AI tools dedicated to the SMR sector (Medical and Rehabilitation Care).Tool 1 — AI Planning- First 100% dedicated planning tool for the SMR sector
- Automatic CSARR act entry from the schedule via AI
Tool 2 — Automatic ICD-10 Coding- AI analysis of patient records for automatic coding (ICD-10 + CSARR acts)
- Document import → AI analysis → proposed diagnosis codes → PDF export
- Replaces time-consuming manual work directly impacting health insurance billing
Developments carried out- Multi-tenant SaaS architecture (team management, invitations, demos)
- Administration portal: authentication, health facility management, users, statistics
- Comprehensive unit and functional test coverage
Stack- Laravel · React.js · AI (document analysis) · Multi-tenant SaaS
- ISCABLead developerAUTOMOBILEFebruary 2018 - Today (8 years and 6 months)Lyon, FranceDevelopment of a solution for car dealerships to facilitate the customer journey when dropping off and picking up vehicles for repair or maintenance.This solution consists of:• an API using Laravel 5 with oauth2• a ReactJS/Redux application installed on a terminal in the dealership for customers• a VueJS application allowing mechanics/salespeople to view real-time drop-offs and other information• Websockets for "real-time" notifications• Websockets for communication with connected lockersTo ensure optimal quality, the various applications are unit and functionally tested with PHPUnit, Jest/Enzyme, and Cypress.Use of Docker / rancher for development/deployment. Unit/e2e tests are automatically launched, and code quality is automatically checked thanks to GitLab and continuous integration.Use of agile methods
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Education
- METINET License (Web Professions)IUT A Lyon2010
- BTS in Computer Science, Application Developer OptionLycée Carriat, Bourg en Bresse2009