Projects & Products

A selection of public products I've built or operate today — from indie SaaS to client missions

Live in production

Site-Moderne.fr

AI-automated website redesign for small businesses (craftspeople, lawyers, restaurants).

Co-founded SaaS where the redesign cycle is automated end-to-end: client CMS, Stripe billing tunnel, AI-driven content and layout pipeline. ~90% cost reduction for SME website creation.

Role: CTO & Co-founder · since Aug 2025

Java Spring Boot PostgreSQL Generative AI Stripe
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Live in production

Artisandev.fr

The reference tech portal for AI-assisted development.

Editorial platform with in-depth guides, tool benchmarks (Claude Code, Cursor, Windsurf, Copilot), and production feedback on AI-augmented engineering. Also the umbrella for several SaaS experiments — including Invest-Strategy.com.

Role: Founder / Indie Maker · since Sept 2022

Anthropic Claude Python Next.js PostgreSQL
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Live in production

Game-of-Sport.com

Multi-vendor sports marketplace connecting customers, sellers and a network of independent physical stores.

Full-stack platform: portal, customer area, vendor area, Stripe payment integration and delivery logistics. MVP delivered in 6 months, now in continuous evolution. Cloud architecture and search powered by ElasticSearch.

Role: Associate & CTO · since Jan 2025

Java/Spring Thymeleaf Keycloak ElasticSearch MariaDB Stripe
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Live in production

Invest-Strategy.com

Multi-asset investment management platform with tax optimization.

Track unrealized and realized capital gains across stocks, crypto, tokenized real estate and crowdfunding. Future-income projection and tax return assistance. Built on Java + Python data science backbone.

Role: Data Scientist & Full-Stack Developer · 2023-2024

Java Python Next.js PostgreSQL Data Science
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Archived

Every-toys.com

First marketplace specialized in buying and reselling toys.

Founded the platform and shipped its first public version on May 18, 2015. Early experience in marketplace mechanics, payment flows and seller onboarding.

Role: Founder · 2014-2015

Java Spring Boot
You're on it

sebastien-cormier.com

Personal portfolio site — bilingual, SEO-first, deployed via Docker.

FastAPI + Jinja2 + vanilla CSS/JS, AI-assisted from architecture to copy. The site itself is part of the dogfooding loop: every iteration is shipped using the practices I deploy in client and indie projects.

Role: Solo

Python FastAPI Jinja2 Docker

A project in mind?

Whether it's a tech leadership question, an AI-integration topic for your engineering org, or a product idea you'd like to bounce around — let's talk.

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