Freelancer profile translated to English.
Back to original languageAbout Josselin
Fullstack Developer specialized in Next.js & custom AI integration.Ex-CTO and Academic Director at a tech school, 6+ years of experience. Expert inRuby on Rails.
For a project from scratch:
â đĄ I transform your objective into aclear and achievable plan
â đïž I design yourMVPor first version (10+ similar projects)
My Services - Web Development
đ€ **AI Integration**: Custom AI functionalities and infrastructure (LLM, agents, n8n automation, code)
âïž **Next.js / React**: Full-stack web applications, development, and integration
đ **Ruby on Rails**: Robust back-end, APIs, databases
đš **UI/UX Design**: Enhanced ergonomics, mockup creation
đBug Fixingfor existing issues
đ Creation ofshowcase websites
Training
đ **Tech Teaching**: Several hundred students trained, from higher education to career changes.
Enhanced Support
đ§âđ« **Tech Lead**: Team management, collaboration tools
âĄTeam Intervention**: Founder of the freelance collective **La Web Squad(lawebsquad.com) for more robust projects, while remaining agile.
My Working Method
1ïžâŁGuide you to the best person(my network or myself) for your problem.
2ïžâŁ Collaborate with **simplicity and transparency**.
3ïžâŁ Deliverclear**, **structured**, **performant**, and **durableresults.
đŹLet's talk about your projectand see how we can achieve your goals.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Z CommeFullstack DeveloperPRESS AND MEDIAMay 2025 - Today (1 year and 3 months)Paris, FranceDevelopment of the new version of the Z Comme .fr agency's showcase website
- Support, advice, recommendations
- Advanced SEO optimization
- Front-end development: implementation of the showcase, advanced responsiveness, styling, and animations. Using Next.js, Material UI, Framer Motion
- Custom CMS development: Custom back-office developed in Ruby on Rails, feeding the front-end with personalized content
- Ongoing support
- La Web SquadCo-founder and DeveloperSOFTWARE PUBLISHINGMay 2023 - Today (3 years and 3 months)Paris, FranceCustom interventionsfor web applications with various clients.
- Founding and managing the web development agency collective, providing UI/UX Design, SEO/SEA, Custom Web-app Development, and Maintenance services
- Client management for complete web applications: from-scratch development and interventions on high-traffic platforms
- Advanced Front-end Development
Web Development:- **Main Technologies**: Next.js, React.js, Ruby on Rails, Custom AI- Hosting: Heroku, Railway, Vercel, others- Frontend: JavaScript, MaterialUI, Tailwind CSS, React.js- Backend: Ruby, APIs, NodeJS- DevOps: DockerMore information on our website La Web Squad .com - The AI ProjectCTODIGITAL AND ITJanuary 2025 - June 2026 (1 year and 5 months)Paris, FranceDesign of custom B2B AI solutions: improving the comfort and productivity of companies according to their specific needs.Architecture of AI solutions adapted to the client's business.
Reviews
Hugo
Biyn Learning Academy
Reviewed on 11/28/2024
Josselin made the DevOps Docker training accessible and engaging for a career-changing audience. His teaching style and adaptability were greatly appreciated. Thank you for this great experience!
B
Benjamin
DiagSol Consulting
Reviewed on 9/21/2024
Still as professional, flexible, and motivated.
Recommendations
FU
+2
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Education
- Front-End React.JS DeveloperThe Hacking Project2020- Javascript ES5/ES6 (Webpack, Algorithmie, POO, API, AJAX) - ReactJS
- Fullstack Web DeveloperThe Hacking Project2020- HTML / CSS / Bootstrap - Git /Github - Javascript - Ruby - Ruby on rails - APIs / Création de bots - PostgreSQL