Freelancer profile translated to English.
Back to original languageAbout Jeremy
Performant, scalable, and maintainableweb applications?
Launching anew projector needfrontend reinforcementfor an ongoing mission?
As aReact.js / Next.js / TypeScriptfrontend developer, I help project leaders transform ideas into concrete, scalable web applications. I ensure each step is clear, transparent, and aligned with your business objectives.
🫵 What I do for you:
Design and develop your application from A to Z (or strengthen existing ones)
Integrate key features: authentication, payments, dashboards, external APIs
Simply explain each technical decision and its impact (costs, deadlines, scalability)
Deliver clean, documented code with full access and best practices for your autonomy
Focus on user experience: fluid, fast, and intuitive interfaces that convert
📝 My approach in 5 simple steps:
1️⃣ Discovery → We define your priorities and what truly matters together
2️⃣ Clear Roadmap → Budget, deadlines, and deliverables visible from the start
3️⃣ Development → Regular updates + intermediate versions for joint validation
4️⃣ Delivery → Go-live, quick training, complete documentation
5️⃣ After → I remain available for your questions and adjustments
Result for you:A product you truly understand, can evolve without stress, and that doesn't hinder your future ambitions.
Have an idea to realize, a project to accelerate, or a frontend team to strengthen?
Let's discuss what you truly want to achieve.
French
Native or bilingual
English
Fluent
Spanish
Basic
Can work on-site
Orléans (up to 50km), Paris (up to 50km), Bordeaux (up to 50km), Lyon (up to 50km), Nantes (up to 50km)
Experience
- FreelanceFrontend / Backend DeveloperVIDEO GAMES AND ANIMATIONApril 2025 - Today (1 year and 2 months)Orléans, FranceResponsibilities & Achievements:
- Full project ownership: architecture, UI/UX, frontend and backend development, deployment
- Design and development of a high-performance API (GraphQL + TypeORM + Express.js + TypeScript) connected to PostgreSQL
- Modern frontend development with **Next.js, Typescript, and TailwindCSS**, focusing on maintainability, performance, and scalability
- Implementation of a secure authentication system withNextAuth
- Integration ofStripepayments
- Development of an interactive mapping tool withLeaflet
- Containerization and deployment withDocker + Coolify(stable and reproducible environment)
- Optimization of real-time data flows via GraphQL
Results:- +12.5K unique visitors per month
- +1.5K registered users
- Significant improvement in community engagement and retention
Technical Stack:Next.js • TypeScript • TailwindCSS • GraphQL • TypeORM • Express.js • PostgreSQL • Stripe • NextAuth • Docker • Coolify • Leaflet - BRGMFrontend DeveloperENVIRONMENTALNovember 2024 - October 2025 (11 months)Orleans, FranceResponsibilities & Achievements:
- Technical lead for frontend development usingAngular and TypeScripton a geoscientific dashboarding application (Apache Superset)
- Migration and upgrade to several major versions of Angular
- Refactoring and modernization of the frontend architecture
- Performance optimization and reduction of technical debt
- Design and integration of a secure authentication system withKeycloak
- Development of custom features based on UX/UI mockups
- Improvement of the ergonomics and readability of geoscientific dashboards
Results:- Improved ergonomics and adoption by geoscientific business teams
- Delivery of documented components directly usable by internal teams
Technical Stack:Angular • TypeScript • Sass • Docker • PostgreSQL • Keycloak • Apache Superset • OpenLayers - BRGMFrontend DeveloperENVIRONMENTALNovember 2023 - November 2024 (1 year)Orleans, FranceResponsibilities & Achievements:
- Frontend development and optimization of an electronic document management (EDM) application withAngular and TypeScript
- Creation and enhancement of an interactive mapping module withOpenLayers
- Implementation of a dynamic forms system with Form.io
- Integration and centralization of authentication withKeycloak
- Complete redesign of the user interface according to modern Angular standards and UX/UI guidelines
- Management of multi-version Angular migrations with progressive reduction of technical debt
Results:- Significant reduction in technical debt through progressive Angular migrations
- Improved ergonomics and overall visual consistency of the application
- Smoother documentary workflows for field teams
Technical Stack:Angular • TypeScript • Sass • Docker • PostgreSQL • Keycloak • OpenLayers • Form.io • Java • GitLab
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Education
- Application Designer DeveloperWild Code School2024Développement d'interface Front End (React.js, Next.js, Typescript, SASS, TailwindCSS), développement Back End (Node.js, Typescript, TypeORM, GraphQL), conception base de données (PostgreSQL)
- FullStack Web and Mobile DeveloperWild Code School2023Développement d'interface Front End (React.js, Javascript, HTML, CSS, SASS, TailwindCSS), développement Back End (Node.js, Express.js), conception base de données (MySQL)